how to write down literature review

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Writing a Literature Review

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A literature review is a document or section of a document that collects key sources on a topic and discusses those sources in conversation with each other (also called synthesis ). The lit review is an important genre in many disciplines, not just literature (i.e., the study of works of literature such as novels and plays). When we say “literature review” or refer to “the literature,” we are talking about the research ( scholarship ) in a given field. You will often see the terms “the research,” “the scholarship,” and “the literature” used mostly interchangeably.

Where, when, and why would I write a lit review?

There are a number of different situations where you might write a literature review, each with slightly different expectations; different disciplines, too, have field-specific expectations for what a literature review is and does. For instance, in the humanities, authors might include more overt argumentation and interpretation of source material in their literature reviews, whereas in the sciences, authors are more likely to report study designs and results in their literature reviews; these differences reflect these disciplines’ purposes and conventions in scholarship. You should always look at examples from your own discipline and talk to professors or mentors in your field to be sure you understand your discipline’s conventions, for literature reviews as well as for any other genre.

A literature review can be a part of a research paper or scholarly article, usually falling after the introduction and before the research methods sections. In these cases, the lit review just needs to cover scholarship that is important to the issue you are writing about; sometimes it will also cover key sources that informed your research methodology.

Lit reviews can also be standalone pieces, either as assignments in a class or as publications. In a class, a lit review may be assigned to help students familiarize themselves with a topic and with scholarship in their field, get an idea of the other researchers working on the topic they’re interested in, find gaps in existing research in order to propose new projects, and/or develop a theoretical framework and methodology for later research. As a publication, a lit review usually is meant to help make other scholars’ lives easier by collecting and summarizing, synthesizing, and analyzing existing research on a topic. This can be especially helpful for students or scholars getting into a new research area, or for directing an entire community of scholars toward questions that have not yet been answered.

What are the parts of a lit review?

Most lit reviews use a basic introduction-body-conclusion structure; if your lit review is part of a larger paper, the introduction and conclusion pieces may be just a few sentences while you focus most of your attention on the body. If your lit review is a standalone piece, the introduction and conclusion take up more space and give you a place to discuss your goals, research methods, and conclusions separately from where you discuss the literature itself.

Introduction:

• An introductory paragraph that explains what your working topic and thesis is
• A forecast of key topics or texts that will appear in the review
• Potentially, a description of how you found sources and how you analyzed them for inclusion and discussion in the review (more often found in published, standalone literature reviews than in lit review sections in an article or research paper)
• Summarize and synthesize: Give an overview of the main points of each source and combine them into a coherent whole
• Analyze and interpret: Don’t just paraphrase other researchers – add your own interpretations where possible, discussing the significance of findings in relation to the literature as a whole
• Critically Evaluate: Mention the strengths and weaknesses of your sources
• Write in well-structured paragraphs: Use transition words and topic sentence to draw connections, comparisons, and contrasts.

Conclusion:

• Summarize the key findings you have taken from the literature and emphasize their significance
• Connect it back to your primary research question

How should I organize my lit review?

Lit reviews can take many different organizational patterns depending on what you are trying to accomplish with the review. Here are some examples:

• Chronological : The simplest approach is to trace the development of the topic over time, which helps familiarize the audience with the topic (for instance if you are introducing something that is not commonly known in your field). If you choose this strategy, be careful to avoid simply listing and summarizing sources in order. Try to analyze the patterns, turning points, and key debates that have shaped the direction of the field. Give your interpretation of how and why certain developments occurred (as mentioned previously, this may not be appropriate in your discipline — check with a teacher or mentor if you’re unsure).
• Thematic : If you have found some recurring central themes that you will continue working with throughout your piece, you can organize your literature review into subsections that address different aspects of the topic. For example, if you are reviewing literature about women and religion, key themes can include the role of women in churches and the religious attitude towards women.
• Qualitative versus quantitative research
• Empirical versus theoretical scholarship
• Divide the research by sociological, historical, or cultural sources
• Theoretical : In many humanities articles, the literature review is the foundation for the theoretical framework. You can use it to discuss various theories, models, and definitions of key concepts. You can argue for the relevance of a specific theoretical approach or combine various theorical concepts to create a framework for your research.

What are some strategies or tips I can use while writing my lit review?

Any lit review is only as good as the research it discusses; make sure your sources are well-chosen and your research is thorough. Don’t be afraid to do more research if you discover a new thread as you’re writing. More info on the research process is available in our "Conducting Research" resources .

As you’re doing your research, create an annotated bibliography ( see our page on the this type of document ). Much of the information used in an annotated bibliography can be used also in a literature review, so you’ll be not only partially drafting your lit review as you research, but also developing your sense of the larger conversation going on among scholars, professionals, and any other stakeholders in your topic.

Usually you will need to synthesize research rather than just summarizing it. This means drawing connections between sources to create a picture of the scholarly conversation on a topic over time. Many student writers struggle to synthesize because they feel they don’t have anything to add to the scholars they are citing; here are some strategies to help you:

• It often helps to remember that the point of these kinds of syntheses is to show your readers how you understand your research, to help them read the rest of your paper.
• Writing teachers often say synthesis is like hosting a dinner party: imagine all your sources are together in a room, discussing your topic. What are they saying to each other?
• Look at the in-text citations in each paragraph. Are you citing just one source for each paragraph? This usually indicates summary only. When you have multiple sources cited in a paragraph, you are more likely to be synthesizing them (not always, but often
• Read more about synthesis here.

The most interesting literature reviews are often written as arguments (again, as mentioned at the beginning of the page, this is discipline-specific and doesn’t work for all situations). Often, the literature review is where you can establish your research as filling a particular gap or as relevant in a particular way. You have some chance to do this in your introduction in an article, but the literature review section gives a more extended opportunity to establish the conversation in the way you would like your readers to see it. You can choose the intellectual lineage you would like to be part of and whose definitions matter most to your thinking (mostly humanities-specific, but this goes for sciences as well). In addressing these points, you argue for your place in the conversation, which tends to make the lit review more compelling than a simple reporting of other sources.

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How to write a literature review in 6 steps

What is a literature review?

How to write a literature review, 1. determine the purpose of your literature review, 2. do an extensive search, 3. evaluate and select literature, 4. analyze the literature, 5. plan the structure of your literature review, 6. write your literature review, other resources to help you write a successful literature review, frequently asked questions about writing a literature review, related articles.

A literature review is an assessment of the sources in a chosen topic of research.

A good literature review does not just summarize sources. It analyzes the state of the field on a given topic and creates a scholarly foundation for you to make your own intervention. It demonstrates to your readers how your research fits within a larger field of study.

In a thesis, a literature review is part of the introduction, but it can also be a separate section. In research papers, a literature review may have its own section or it may be integrated into the introduction, depending on the field.

➡️ Our guide on what is a literature review covers additional basics about literature reviews.

• Identify the main purpose of the literature review.
• Do extensive research.
• Evaluate and select relevant sources.
• Analyze the sources.
• Plan a structure.
• Write the review.

In this section, we review each step of the process of creating a literature review.

In the first step, make sure you know specifically what the assignment is and what form your literature review should take. Read your assignment carefully and seek clarification from your professor or instructor if needed. You should be able to answer the following questions:

• How many sources do I need to include?
• What types of sources should I review?
• Should I evaluate the sources?
• Should I summarize, synthesize or critique sources?
• Do I need to provide any definitions or background information?

In addition to that, be aware that the narrower your topic, the easier it will be to limit the number of sources you need to read in order to get a good overview of the topic.

Now you need to find out what has been written on the topic and search for literature related to your research topic. Make sure to select appropriate source material, which means using academic or scholarly sources , including books, reports, journal articles , government documents and web resources.

➡️ If you’re unsure about how to tell if a source is scholarly, take a look at our guide on how to identify a scholarly source .

Come up with a list of relevant keywords and then start your search with your institution's library catalog, and extend it to other useful databases and academic search engines like:

• Google Scholar
• Science.gov

➡️ Our guide on how to collect data for your thesis might be helpful at this stage of your research as well as the top list of academic search engines .

Once you find a useful article, check out the reference list. It should provide you with even more relevant sources. Also, keep a note of the:

• authors' names
• page numbers

Keeping track of the bibliographic information for each source will save you time when you’re ready to create citations. You could also use a reference manager like Paperpile to automatically save, manage, and cite your references.

Read the literature. You will most likely not be able to read absolutely everything that is out there on the topic. Therefore, read the abstract first to determine whether the rest of the source is worth your time. If the source is relevant for your topic:

• Read it critically.
• Look for the main arguments.
• Take notes as you read.
• Organize your notes using a table, mind map, or other technique.

Now you are ready to analyze the literature you have gathered. While your are working on your analysis, you should ask the following questions:

• What are the key terms, concepts and problems addressed by the author?
• How is this source relevant for my specific topic?
• How is the article structured? What are the major trends and findings?
• What are the conclusions of the study?
• How are the results presented? Is the source credible?
• When comparing different sources, how do they relate to each other? What are the similarities, what are the differences?
• Does the study help me understand the topic better?
• Are there any gaps in the research that need to be filled? How can I further my research as a result of the review?

Tip: Decide on the structure of your literature review before you start writing.

There are various ways to organize your literature review:

• Chronological method : Writing in the chronological method means you are presenting the materials according to when they were published. Follow this approach only if a clear path of research can be identified.
• Thematic review : A thematic review of literature is organized around a topic or issue, rather than the progression of time.
• Publication-based : You can order your sources by publication, if the way you present the order of your sources demonstrates a more important trend. This is the case when a progression revealed from study to study and the practices of researchers have changed and adapted due to the new revelations.
• Methodological approach : A methodological approach focuses on the methods used by the researcher. If you have used sources from different disciplines that use a variety of research methods, you might want to compare the results in light of the different methods and discuss how the topic has been approached from different sides.

Regardless of the structure you chose, a review should always include the following three sections:

• An introduction, which should give the reader an outline of why you are writing the review and explain the relevance of the topic.
• A body, which divides your literature review into different sections. Write in well-structured paragraphs, use transitions and topic sentences and critically analyze each source for how it contributes to the themes you are researching.
• A conclusion , which summarizes the key findings, the main agreements and disagreements in the literature, your overall perspective, and any gaps or areas for further research.

➡️ If your literature review is part of a longer paper, visit our guide on what is a research paper for additional tips.

➡️ UNC writing center: Literature reviews

➡️ How to write a literature review in 3 steps

➡️ How to write a literature review in 30 minutes or less

The goal of a literature review is to asses the state of the field on a given topic in preparation for making an intervention.

A literature review should have its own independent section. You should indicate clearly in the table of contents where it can be found, and address this section as “Literature Review.”

There is no set amount of words for a literature review; the length depends on the research. If you are working with a large amount of sources, then it will be long. If your paper does not depend entirely on references, then it will be short.

Most research papers include a literature review. By assessing the available sources in your field of research, you will be able to make a more confident argument about the topic.

Literature reviews are most commonly found in theses and dissertations. However, you find them in research papers as well.

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• What is a Literature Review? | Guide, Template, & Examples

What is a Literature Review? | Guide, Template, & Examples

Published on 22 February 2022 by Shona McCombes . Revised on 7 June 2022.

What is a literature review? A literature review is a survey of scholarly sources on a specific topic. It provides an overview of current knowledge, allowing you to identify relevant theories, methods, and gaps in the existing research.

There are five key steps to writing a literature review:

• Search for relevant literature
• Evaluate sources
• Identify themes, debates and gaps
• Outline the structure
• Write your literature review

A good literature review doesn’t just summarise sources – it analyses, synthesises, and critically evaluates to give a clear picture of the state of knowledge on the subject.

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Table of contents

Why write a literature review, examples of literature reviews, step 1: search for relevant literature, step 2: evaluate and select sources, step 3: identify themes, debates and gaps, step 4: outline your literature review’s structure, step 5: write your literature review, frequently asked questions about literature reviews, introduction.

• Quick Run-through
• Step 1 & 2

When you write a dissertation or thesis, you will have to conduct a literature review to situate your research within existing knowledge. The literature review gives you a chance to:

• Demonstrate your familiarity with the topic and scholarly context
• Develop a theoretical framework and methodology for your research
• Position yourself in relation to other researchers and theorists
• Show how your dissertation addresses a gap or contributes to a debate

You might also have to write a literature review as a stand-alone assignment. In this case, the purpose is to evaluate the current state of research and demonstrate your knowledge of scholarly debates around a topic.

The content will look slightly different in each case, but the process of conducting a literature review follows the same steps. We’ve written a step-by-step guide that you can follow below.

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Writing literature reviews can be quite challenging! A good starting point could be to look at some examples, depending on what kind of literature review you’d like to write.

• Example literature review #1: “Why Do People Migrate? A Review of the Theoretical Literature” ( Theoretical literature review about the development of economic migration theory from the 1950s to today.)
• Example literature review #2: “Literature review as a research methodology: An overview and guidelines” ( Methodological literature review about interdisciplinary knowledge acquisition and production.)
• Example literature review #3: “The Use of Technology in English Language Learning: A Literature Review” ( Thematic literature review about the effects of technology on language acquisition.)
• Example literature review #4: “Learners’ Listening Comprehension Difficulties in English Language Learning: A Literature Review” ( Chronological literature review about how the concept of listening skills has changed over time.)

You can also check out our templates with literature review examples and sample outlines at the links below.

Download Word doc Download Google doc

Before you begin searching for literature, you need a clearly defined topic .

If you are writing the literature review section of a dissertation or research paper, you will search for literature related to your research objectives and questions .

If you are writing a literature review as a stand-alone assignment, you will have to choose a focus and develop a central question to direct your search. Unlike a dissertation research question, this question has to be answerable without collecting original data. You should be able to answer it based only on a review of existing publications.

Make a list of keywords

Start by creating a list of keywords related to your research topic. Include each of the key concepts or variables you’re interested in, and list any synonyms and related terms. You can add to this list if you discover new keywords in the process of your literature search.

• Social media, Facebook, Instagram, Twitter, Snapchat, TikTok
• Body image, self-perception, self-esteem, mental health
• Generation Z, teenagers, adolescents, youth

Search for relevant sources

Use your keywords to begin searching for sources. Some databases to search for journals and articles include:

• Your university’s library catalogue
• Google Scholar
• Project Muse (humanities and social sciences)
• Medline (life sciences and biomedicine)
• EconLit (economics)
• Inspec (physics, engineering and computer science)

You can use boolean operators to help narrow down your search:

Read the abstract to find out whether an article is relevant to your question. When you find a useful book or article, you can check the bibliography to find other relevant sources.

To identify the most important publications on your topic, take note of recurring citations. If the same authors, books or articles keep appearing in your reading, make sure to seek them out.

You probably won’t be able to read absolutely everything that has been written on the topic – you’ll have to evaluate which sources are most relevant to your questions.

For each publication, ask yourself:

• What question or problem is the author addressing?
• What are the key concepts and how are they defined?
• What are the key theories, models and methods? Does the research use established frameworks or take an innovative approach?
• What are the results and conclusions of the study?
• How does the publication relate to other literature in the field? Does it confirm, add to, or challenge established knowledge?
• How does the publication contribute to your understanding of the topic? What are its key insights and arguments?
• What are the strengths and weaknesses of the research?

Make sure the sources you use are credible, and make sure you read any landmark studies and major theories in your field of research.

You can find out how many times an article has been cited on Google Scholar – a high citation count means the article has been influential in the field, and should certainly be included in your literature review.

The scope of your review will depend on your topic and discipline: in the sciences you usually only review recent literature, but in the humanities you might take a long historical perspective (for example, to trace how a concept has changed in meaning over time).

Remember that you can use our template to summarise and evaluate sources you’re thinking about using!

Take notes and cite your sources

As you read, you should also begin the writing process. Take notes that you can later incorporate into the text of your literature review.

It’s important to keep track of your sources with references to avoid plagiarism . It can be helpful to make an annotated bibliography, where you compile full reference information and write a paragraph of summary and analysis for each source. This helps you remember what you read and saves time later in the process.

You can use our free APA Reference Generator for quick, correct, consistent citations.

To begin organising your literature review’s argument and structure, you need to understand the connections and relationships between the sources you’ve read. Based on your reading and notes, you can look for:

• Trends and patterns (in theory, method or results): do certain approaches become more or less popular over time?
• Themes: what questions or concepts recur across the literature?
• Debates, conflicts and contradictions: where do sources disagree?
• Pivotal publications: are there any influential theories or studies that changed the direction of the field?
• Gaps: what is missing from the literature? Are there weaknesses that need to be addressed?

This step will help you work out the structure of your literature review and (if applicable) show how your own research will contribute to existing knowledge.

• Most research has focused on young women.
• There is an increasing interest in the visual aspects of social media.
• But there is still a lack of robust research on highly-visual platforms like Instagram and Snapchat – this is a gap that you could address in your own research.

There are various approaches to organising the body of a literature review. You should have a rough idea of your strategy before you start writing.

Depending on the length of your literature review, you can combine several of these strategies (for example, your overall structure might be thematic, but each theme is discussed chronologically).

Chronological

The simplest approach is to trace the development of the topic over time. However, if you choose this strategy, be careful to avoid simply listing and summarising sources in order.

Try to analyse patterns, turning points and key debates that have shaped the direction of the field. Give your interpretation of how and why certain developments occurred.

If you have found some recurring central themes, you can organise your literature review into subsections that address different aspects of the topic.

For example, if you are reviewing literature about inequalities in migrant health outcomes, key themes might include healthcare policy, language barriers, cultural attitudes, legal status, and economic access.

Methodological

If you draw your sources from different disciplines or fields that use a variety of research methods , you might want to compare the results and conclusions that emerge from different approaches. For example:

• Look at what results have emerged in qualitative versus quantitative research
• Discuss how the topic has been approached by empirical versus theoretical scholarship
• Divide the literature into sociological, historical, and cultural sources

Theoretical

A literature review is often the foundation for a theoretical framework . You can use it to discuss various theories, models, and definitions of key concepts.

You might argue for the relevance of a specific theoretical approach, or combine various theoretical concepts to create a framework for your research.

Like any other academic text, your literature review should have an introduction , a main body, and a conclusion . What you include in each depends on the objective of your literature review.

The introduction should clearly establish the focus and purpose of the literature review.

If you are writing the literature review as part of your dissertation or thesis, reiterate your central problem or research question and give a brief summary of the scholarly context. You can emphasise the timeliness of the topic (“many recent studies have focused on the problem of x”) or highlight a gap in the literature (“while there has been much research on x, few researchers have taken y into consideration”).

Depending on the length of your literature review, you might want to divide the body into subsections. You can use a subheading for each theme, time period, or methodological approach.

As you write, make sure to follow these tips:

• Summarise and synthesise: give an overview of the main points of each source and combine them into a coherent whole.
• Analyse and interpret: don’t just paraphrase other researchers – add your own interpretations, discussing the significance of findings in relation to the literature as a whole.
• Critically evaluate: mention the strengths and weaknesses of your sources.
• Write in well-structured paragraphs: use transitions and topic sentences to draw connections, comparisons and contrasts.

In the conclusion, you should summarise the key findings you have taken from the literature and emphasise their significance.

If the literature review is part of your dissertation or thesis, reiterate how your research addresses gaps and contributes new knowledge, or discuss how you have drawn on existing theories and methods to build a framework for your research. This can lead directly into your methodology section.

A literature review is a survey of scholarly sources (such as books, journal articles, and theses) related to a specific topic or research question .

It is often written as part of a dissertation , thesis, research paper , or proposal .

There are several reasons to conduct a literature review at the beginning of a research project:

• To familiarise yourself with the current state of knowledge on your topic
• To ensure that you’re not just repeating what others have already done
• To identify gaps in knowledge and unresolved problems that your research can address
• To develop your theoretical framework and methodology
• To provide an overview of the key findings and debates on the topic

Writing the literature review shows your reader how your work relates to existing research and what new insights it will contribute.

The literature review usually comes near the beginning of your  dissertation . After the introduction , it grounds your research in a scholarly field and leads directly to your theoretical framework or methodology .

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• 04 December 2020
• Correction 09 December 2020

How to write a superb literature review

Andy Tay is a freelance writer based in Singapore.

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Literature reviews are important resources for scientists. They provide historical context for a field while offering opinions on its future trajectory. Creating them can provide inspiration for one’s own research, as well as some practice in writing. But few scientists are trained in how to write a review — or in what constitutes an excellent one. Even picking the appropriate software to use can be an involved decision (see ‘Tools and techniques’). So Nature asked editors and working scientists with well-cited reviews for their tips.

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Correction 09 December 2020 : An earlier version of the tables in this article included some incorrect details about the programs Zotero, Endnote and Manubot. These have now been corrected.

Hsing, I.-M., Xu, Y. & Zhao, W. Electroanalysis 19 , 755–768 (2007).

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Ledesma, H. A. et al. Nature Nanotechnol. 14 , 645–657 (2019).

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Choi, Y. & Lee, S. Y. Nature Rev. Chem . https://doi.org/10.1038/s41570-020-00221-w (2020).

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• Literature Review: The What, Why and How-to Guide
• Introduction

Literature Review: The What, Why and How-to Guide — Introduction

• Getting Started
• How to Pick a Topic
• Strategies to Find Sources
• Evaluating Sources & Lit. Reviews
• Tips for Writing Literature Reviews
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What are Literature Reviews?

So, what is a literature review? "A literature review is an account of what has been published on a topic by accredited scholars and researchers. In writing the literature review, your purpose is to convey to your reader what knowledge and ideas have been established on a topic, and what their strengths and weaknesses are. As a piece of writing, the literature review must be defined by a guiding concept (e.g., your research objective, the problem or issue you are discussing, or your argumentative thesis). It is not just a descriptive list of the material available, or a set of summaries." Taylor, D.  The literature review: A few tips on conducting it . University of Toronto Health Sciences Writing Centre.

Goals of Literature Reviews

What are the goals of creating a Literature Review?  A literature could be written to accomplish different aims:

• To develop a theory or evaluate an existing theory
• To summarize the historical or existing state of a research topic
• Identify a problem in a field of research 

Baumeister, R. F., & Leary, M. R. (1997). Writing narrative literature reviews .  Review of General Psychology , 1 (3), 311-320.

What kinds of sources require a Literature Review?

• A research paper assigned in a course
• A thesis or dissertation
• A grant proposal
• An article intended for publication in a journal

All these instances require you to collect what has been written about your research topic so that you can demonstrate how your own research sheds new light on the topic.

Types of Literature Reviews

What kinds of literature reviews are written?

Narrative review: The purpose of this type of review is to describe the current state of the research on a specific topic/research and to offer a critical analysis of the literature reviewed. Studies are grouped by research/theoretical categories, and themes and trends, strengths and weakness, and gaps are identified. The review ends with a conclusion section which summarizes the findings regarding the state of the research of the specific study, the gaps identify and if applicable, explains how the author's research will address gaps identify in the review and expand the knowledge on the topic reviewed.

• Example : Predictors and Outcomes of U.S. Quality Maternity Leave: A Review and Conceptual Framework:  10.1177/08948453211037398  

Systematic review : "The authors of a systematic review use a specific procedure to search the research literature, select the studies to include in their review, and critically evaluate the studies they find." (p. 139). Nelson, L. K. (2013). Research in Communication Sciences and Disorders . Plural Publishing.

• Example : The effect of leave policies on increasing fertility: a systematic review:  10.1057/s41599-022-01270-w

Meta-analysis : "Meta-analysis is a method of reviewing research findings in a quantitative fashion by transforming the data from individual studies into what is called an effect size and then pooling and analyzing this information. The basic goal in meta-analysis is to explain why different outcomes have occurred in different studies." (p. 197). Roberts, M. C., & Ilardi, S. S. (2003). Handbook of Research Methods in Clinical Psychology . Blackwell Publishing.

• Example : Employment Instability and Fertility in Europe: A Meta-Analysis:  10.1215/00703370-9164737

Meta-synthesis : "Qualitative meta-synthesis is a type of qualitative study that uses as data the findings from other qualitative studies linked by the same or related topic." (p.312). Zimmer, L. (2006). Qualitative meta-synthesis: A question of dialoguing with texts .  Journal of Advanced Nursing , 53 (3), 311-318.

• Example : Women’s perspectives on career successes and barriers: A qualitative meta-synthesis:  10.1177/05390184221113735

Literature Reviews in the Health Sciences

• UConn Health subject guide on systematic reviews Explanation of the different review types used in health sciences literature as well as tools to help you find the right review type
• << Previous: Getting Started
• Next: How to Pick a Topic >>
• Last Updated: Sep 21, 2022 2:16 PM
• URL: https://guides.lib.uconn.edu/literaturereview

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What is a Literature Review? How to Write It (with Examples)

A literature review is a critical analysis and synthesis of existing research on a particular topic. It provides an overview of the current state of knowledge, identifies gaps, and highlights key findings in the literature. 1 The purpose of a literature review is to situate your own research within the context of existing scholarship, demonstrating your understanding of the topic and showing how your work contributes to the ongoing conversation in the field. Learning how to write a literature review is a critical tool for successful research. Your ability to summarize and synthesize prior research pertaining to a certain topic demonstrates your grasp on the topic of study, and assists in the learning process. 

Table of Contents

• What is the purpose of literature review? 
• a. Habitat Loss and Species Extinction: 
• b. Range Shifts and Phenological Changes: 
• c. Ocean Acidification and Coral Reefs: 
• d. Adaptive Strategies and Conservation Efforts: 

How to write a good literature review 

• Choose a Topic and Define the Research Question: 
• Decide on the Scope of Your Review: 
• Select Databases for Searches: 
• Conduct Searches and Keep Track: 
• Review the Literature: 
• Organize and Write Your Literature Review: 
• How to write a literature review faster with Paperpal? 
• Frequently asked questions 

What is a literature review?

A well-conducted literature review demonstrates the researcher’s familiarity with the existing literature, establishes the context for their own research, and contributes to scholarly conversations on the topic. One of the purposes of a literature review is also to help researchers avoid duplicating previous work and ensure that their research is informed by and builds upon the existing body of knowledge.

What is the purpose of literature review?

A literature review serves several important purposes within academic and research contexts. Here are some key objectives and functions of a literature review: 2  

1. Contextualizing the Research Problem: The literature review provides a background and context for the research problem under investigation. It helps to situate the study within the existing body of knowledge. 

2. Identifying Gaps in Knowledge: By identifying gaps, contradictions, or areas requiring further research, the researcher can shape the research question and justify the significance of the study. This is crucial for ensuring that the new research contributes something novel to the field. 

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3. Understanding Theoretical and Conceptual Frameworks: Literature reviews help researchers gain an understanding of the theoretical and conceptual frameworks used in previous studies. This aids in the development of a theoretical framework for the current research. 

4. Providing Methodological Insights: Another purpose of literature reviews is that it allows researchers to learn about the methodologies employed in previous studies. This can help in choosing appropriate research methods for the current study and avoiding pitfalls that others may have encountered. 

5. Establishing Credibility: A well-conducted literature review demonstrates the researcher’s familiarity with existing scholarship, establishing their credibility and expertise in the field. It also helps in building a solid foundation for the new research. 

6. Informing Hypotheses or Research Questions: The literature review guides the formulation of hypotheses or research questions by highlighting relevant findings and areas of uncertainty in existing literature. 

Literature review example

Let’s delve deeper with a literature review example: Let’s say your literature review is about the impact of climate change on biodiversity. You might format your literature review into sections such as the effects of climate change on habitat loss and species extinction, phenological changes, and marine biodiversity. Each section would then summarize and analyze relevant studies in those areas, highlighting key findings and identifying gaps in the research. The review would conclude by emphasizing the need for further research on specific aspects of the relationship between climate change and biodiversity. The following literature review template provides a glimpse into the recommended literature review structure and content, demonstrating how research findings are organized around specific themes within a broader topic. 

Literature Review on Climate Change Impacts on Biodiversity:

Climate change is a global phenomenon with far-reaching consequences, including significant impacts on biodiversity. This literature review synthesizes key findings from various studies: 

a. Habitat Loss and Species Extinction:

Climate change-induced alterations in temperature and precipitation patterns contribute to habitat loss, affecting numerous species (Thomas et al., 2004). The review discusses how these changes increase the risk of extinction, particularly for species with specific habitat requirements. 

b. Range Shifts and Phenological Changes:

Observations of range shifts and changes in the timing of biological events (phenology) are documented in response to changing climatic conditions (Parmesan & Yohe, 2003). These shifts affect ecosystems and may lead to mismatches between species and their resources. 

c. Ocean Acidification and Coral Reefs:

The review explores the impact of climate change on marine biodiversity, emphasizing ocean acidification’s threat to coral reefs (Hoegh-Guldberg et al., 2007). Changes in pH levels negatively affect coral calcification, disrupting the delicate balance of marine ecosystems. 

d. Adaptive Strategies and Conservation Efforts:

Recognizing the urgency of the situation, the literature review discusses various adaptive strategies adopted by species and conservation efforts aimed at mitigating the impacts of climate change on biodiversity (Hannah et al., 2007). It emphasizes the importance of interdisciplinary approaches for effective conservation planning. 

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Writing a literature review involves summarizing and synthesizing existing research on a particular topic. A good literature review format should include the following elements. 

Introduction: The introduction sets the stage for your literature review, providing context and introducing the main focus of your review. 

• Opening Statement: Begin with a general statement about the broader topic and its significance in the field. 
• Scope and Purpose: Clearly define the scope of your literature review. Explain the specific research question or objective you aim to address. 
• Organizational Framework: Briefly outline the structure of your literature review, indicating how you will categorize and discuss the existing research. 
• Significance of the Study: Highlight why your literature review is important and how it contributes to the understanding of the chosen topic. 
• Thesis Statement: Conclude the introduction with a concise thesis statement that outlines the main argument or perspective you will develop in the body of the literature review. 

Body: The body of the literature review is where you provide a comprehensive analysis of existing literature, grouping studies based on themes, methodologies, or other relevant criteria. 

• Organize by Theme or Concept: Group studies that share common themes, concepts, or methodologies. Discuss each theme or concept in detail, summarizing key findings and identifying gaps or areas of disagreement. 
• Critical Analysis: Evaluate the strengths and weaknesses of each study. Discuss the methodologies used, the quality of evidence, and the overall contribution of each work to the understanding of the topic. 
• Synthesis of Findings: Synthesize the information from different studies to highlight trends, patterns, or areas of consensus in the literature. 
• Identification of Gaps: Discuss any gaps or limitations in the existing research and explain how your review contributes to filling these gaps. 
• Transition between Sections: Provide smooth transitions between different themes or concepts to maintain the flow of your literature review. 

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Conclusion: The conclusion of your literature review should summarize the main findings, highlight the contributions of the review, and suggest avenues for future research. 

• Summary of Key Findings: Recap the main findings from the literature and restate how they contribute to your research question or objective. 
• Contributions to the Field: Discuss the overall contribution of your literature review to the existing knowledge in the field. 
• Implications and Applications: Explore the practical implications of the findings and suggest how they might impact future research or practice. 
• Recommendations for Future Research: Identify areas that require further investigation and propose potential directions for future research in the field. 
• Final Thoughts: Conclude with a final reflection on the importance of your literature review and its relevance to the broader academic community. 

Conducting a literature review

Conducting a literature review is an essential step in research that involves reviewing and analyzing existing literature on a specific topic. It’s important to know how to do a literature review effectively, so here are the steps to follow: 1  

Choose a Topic and Define the Research Question:

• Select a topic that is relevant to your field of study. 
• Clearly define your research question or objective. Determine what specific aspect of the topic do you want to explore? 

Decide on the Scope of Your Review:

• Determine the timeframe for your literature review. Are you focusing on recent developments, or do you want a historical overview? 
• Consider the geographical scope. Is your review global, or are you focusing on a specific region? 
• Define the inclusion and exclusion criteria. What types of sources will you include? Are there specific types of studies or publications you will exclude? 

Select Databases for Searches:

• Identify relevant databases for your field. Examples include PubMed, IEEE Xplore, Scopus, Web of Science, and Google Scholar. 
• Consider searching in library catalogs, institutional repositories, and specialized databases related to your topic. 

Conduct Searches and Keep Track:

• Develop a systematic search strategy using keywords, Boolean operators (AND, OR, NOT), and other search techniques. 
• Record and document your search strategy for transparency and replicability. 
• Keep track of the articles, including publication details, abstracts, and links. Use citation management tools like EndNote, Zotero, or Mendeley to organize your references. 

Review the Literature:

• Evaluate the relevance and quality of each source. Consider the methodology, sample size, and results of studies. 
• Organize the literature by themes or key concepts. Identify patterns, trends, and gaps in the existing research. 
• Summarize key findings and arguments from each source. Compare and contrast different perspectives. 
• Identify areas where there is a consensus in the literature and where there are conflicting opinions. 
• Provide critical analysis and synthesis of the literature. What are the strengths and weaknesses of existing research? 

Organize and Write Your Literature Review:

• Literature review outline should be based on themes, chronological order, or methodological approaches. 
• Write a clear and coherent narrative that synthesizes the information gathered. 
• Use proper citations for each source and ensure consistency in your citation style (APA, MLA, Chicago, etc.). 
• Conclude your literature review by summarizing key findings, identifying gaps, and suggesting areas for future research. 

Whether you’re exploring a new research field or finding new angles to develop an existing topic, sifting through hundreds of papers can take more time than you have to spare. But what if you could find science-backed insights with verified citations in seconds? That’s the power of Paperpal’s new Research feature!  

How to write a literature review faster with Paperpal?

Paperpal, an AI writing assistant, integrates powerful academic search capabilities within its writing platform. With the Research feature, you get 100% factual insights, with citations backed by 250M+ verified research articles, directly within your writing interface with the option to save relevant references in your Citation Library. By eliminating the need to switch tabs to find answers to all your research questions, Paperpal saves time and helps you stay focused on your writing.   

Here’s how to use the Research feature:  

• Ask a question: Get started with a new document on paperpal.com. Click on the “Research” feature and type your question in plain English. Paperpal will scour over 250 million research articles, including conference papers and preprints, to provide you with accurate insights and citations. 
• Review and Save: Paperpal summarizes the information, while citing sources and listing relevant reads. You can quickly scan the results to identify relevant references and save these directly to your built-in citations library for later access. 
• Cite with Confidence: Paperpal makes it easy to incorporate relevant citations and references into your writing, ensuring your arguments are well-supported by credible sources. This translates to a polished, well-researched literature review. 

The literature review sample and detailed advice on writing and conducting a review will help you produce a well-structured report. But remember that a good literature review is an ongoing process, and it may be necessary to revisit and update it as your research progresses. By combining effortless research with an easy citation process, Paperpal Research streamlines the literature review process and empowers you to write faster and with more confidence. Try Paperpal Research now and see for yourself.  

Frequently asked questions

A literature review is a critical and comprehensive analysis of existing literature (published and unpublished works) on a specific topic or research question and provides a synthesis of the current state of knowledge in a particular field. A well-conducted literature review is crucial for researchers to build upon existing knowledge, avoid duplication of efforts, and contribute to the advancement of their field. It also helps researchers situate their work within a broader context and facilitates the development of a sound theoretical and conceptual framework for their studies.

Literature review is a crucial component of research writing, providing a solid background for a research paper’s investigation. The aim is to keep professionals up to date by providing an understanding of ongoing developments within a specific field, including research methods, and experimental techniques used in that field, and present that knowledge in the form of a written report. Also, the depth and breadth of the literature review emphasizes the credibility of the scholar in his or her field.  

Before writing a literature review, it’s essential to undertake several preparatory steps to ensure that your review is well-researched, organized, and focused. This includes choosing a topic of general interest to you and doing exploratory research on that topic, writing an annotated bibliography, and noting major points, especially those that relate to the position you have taken on the topic. 

Literature reviews and academic research papers are essential components of scholarly work but serve different purposes within the academic realm. 3 A literature review aims to provide a foundation for understanding the current state of research on a particular topic, identify gaps or controversies, and lay the groundwork for future research. Therefore, it draws heavily from existing academic sources, including books, journal articles, and other scholarly publications. In contrast, an academic research paper aims to present new knowledge, contribute to the academic discourse, and advance the understanding of a specific research question. Therefore, it involves a mix of existing literature (in the introduction and literature review sections) and original data or findings obtained through research methods. 

Literature reviews are essential components of academic and research papers, and various strategies can be employed to conduct them effectively. If you want to know how to write a literature review for a research paper, here are four common approaches that are often used by researchers.  Chronological Review: This strategy involves organizing the literature based on the chronological order of publication. It helps to trace the development of a topic over time, showing how ideas, theories, and research have evolved.  Thematic Review: Thematic reviews focus on identifying and analyzing themes or topics that cut across different studies. Instead of organizing the literature chronologically, it is grouped by key themes or concepts, allowing for a comprehensive exploration of various aspects of the topic.  Methodological Review: This strategy involves organizing the literature based on the research methods employed in different studies. It helps to highlight the strengths and weaknesses of various methodologies and allows the reader to evaluate the reliability and validity of the research findings.  Theoretical Review: A theoretical review examines the literature based on the theoretical frameworks used in different studies. This approach helps to identify the key theories that have been applied to the topic and assess their contributions to the understanding of the subject.  It’s important to note that these strategies are not mutually exclusive, and a literature review may combine elements of more than one approach. The choice of strategy depends on the research question, the nature of the literature available, and the goals of the review. Additionally, other strategies, such as integrative reviews or systematic reviews, may be employed depending on the specific requirements of the research.

The literature review format can vary depending on the specific publication guidelines. However, there are some common elements and structures that are often followed. Here is a general guideline for the format of a literature review:  Introduction:   Provide an overview of the topic.  Define the scope and purpose of the literature review.  State the research question or objective.  Body:   Organize the literature by themes, concepts, or chronology.  Critically analyze and evaluate each source.  Discuss the strengths and weaknesses of the studies.  Highlight any methodological limitations or biases.  Identify patterns, connections, or contradictions in the existing research.  Conclusion:   Summarize the key points discussed in the literature review.  Highlight the research gap.  Address the research question or objective stated in the introduction.  Highlight the contributions of the review and suggest directions for future research.

Both annotated bibliographies and literature reviews involve the examination of scholarly sources. While annotated bibliographies focus on individual sources with brief annotations, literature reviews provide a more in-depth, integrated, and comprehensive analysis of existing literature on a specific topic. The key differences are as follows: 

References 

• Denney, A. S., & Tewksbury, R. (2013). How to write a literature review.  Journal of criminal justice education ,  24 (2), 218-234. 
• Pan, M. L. (2016).  Preparing literature reviews: Qualitative and quantitative approaches . Taylor & Francis. 
• Cantero, C. (2019). How to write a literature review.  San José State University Writing Center . 

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How To Structure Your Literature Review

3 options to help structure your chapter.

By: Amy Rommelspacher (PhD) | Reviewer: Dr Eunice Rautenbach | November 2020 (Updated May 2023)

Writing the literature review chapter can seem pretty daunting when you’re piecing together your dissertation or thesis. As  we’ve discussed before , a good literature review needs to achieve a few very important objectives – it should:

• Demonstrate your knowledge of the research topic
• Identify the gaps in the literature and show how your research links to these
• Provide the foundation for your conceptual framework (if you have one)
• Inform your own  methodology and research design

To achieve this, your literature review needs a well-thought-out structure . Get the structure of your literature review chapter wrong and you’ll struggle to achieve these objectives. Don’t worry though – in this post, we’ll look at how to structure your literature review for maximum impact (and marks!).

But wait – is this the right time?

Deciding on the structure of your literature review should come towards the end of the literature review process – after you have collected and digested the literature, but before you start writing the chapter. 

In other words, you need to first develop a rich understanding of the literature before you even attempt to map out a structure. There’s no use trying to develop a structure before you’ve fully wrapped your head around the existing research.

Equally importantly, you need to have a structure in place before you start writing , or your literature review will most likely end up a rambling, disjointed mess. 

Importantly, don’t feel that once you’ve defined a structure you can’t iterate on it. It’s perfectly natural to adjust as you engage in the writing process. As we’ve discussed before , writing is a way of developing your thinking, so it’s quite common for your thinking to change – and therefore, for your chapter structure to change – as you write. 

Need a helping hand?

Like any other chapter in your thesis or dissertation, your literature review needs to have a clear, logical structure. At a minimum, it should have three essential components – an  introduction , a  body   and a  conclusion . 

Let’s take a closer look at each of these.

1: The Introduction Section

Just like any good introduction, the introduction section of your literature review should introduce the purpose and layout (organisation) of the chapter. In other words, your introduction needs to give the reader a taste of what’s to come, and how you’re going to lay that out. Essentially, you should provide the reader with a high-level roadmap of your chapter to give them a taste of the journey that lies ahead.

Here’s an example of the layout visualised in a literature review introduction:

Your introduction should also outline your topic (including any tricky terminology or jargon) and provide an explanation of the scope of your literature review – in other words, what you  will   and  won’t   be covering (the delimitations ). This helps ringfence your review and achieve a clear focus . The clearer and narrower your focus, the deeper you can dive into the topic (which is typically where the magic lies). 

Depending on the nature of your project, you could also present your stance or point of view at this stage. In other words, after grappling with the literature you’ll have an opinion about what the trends and concerns are in the field as well as what’s lacking. The introduction section can then present these ideas so that it is clear to examiners that you’re aware of how your research connects with existing knowledge .

2: The Body Section

The body of your literature review is the centre of your work. This is where you’ll present, analyse, evaluate and synthesise the existing research. In other words, this is where you’re going to earn (or lose) the most marks. Therefore, it’s important to carefully think about how you will organise your discussion to present it in a clear way. 

The body of your literature review should do just as the description of this chapter suggests. It should “review” the literature – in other words, identify, analyse, and synthesise it. So, when thinking about structuring your literature review, you need to think about which structural approach will provide the best “review” for your specific type of research and objectives (we’ll get to this shortly).

There are (broadly speaking)  three options  for organising your literature review.

Option 1: Chronological (according to date)

Organising the literature chronologically is one of the simplest ways to structure your literature review. You start with what was published first and work your way through the literature until you reach the work published most recently. Pretty straightforward.

The benefit of this option is that it makes it easy to discuss the developments and debates in the field as they emerged over time. Organising your literature chronologically also allows you to highlight how specific articles or pieces of work might have changed the course of the field – in other words, which research has had the most impact . Therefore, this approach is very useful when your research is aimed at understanding how the topic has unfolded over time and is often used by scholars in the field of history. That said, this approach can be utilised by anyone that wants to explore change over time .

For example , if a student of politics is investigating how the understanding of democracy has evolved over time, they could use the chronological approach to provide a narrative that demonstrates how this understanding has changed through the ages.

Here are some questions you can ask yourself to help you structure your literature review chronologically.

• What is the earliest literature published relating to this topic?
• How has the field changed over time? Why?
• What are the most recent discoveries/theories?

In some ways, chronology plays a part whichever way you decide to structure your literature review, because you will always, to a certain extent, be analysing how the literature has developed. However, with the chronological approach, the emphasis is very firmly on how the discussion has evolved over time , as opposed to how all the literature links together (which we’ll discuss next ).

Option 2: Thematic (grouped by theme)

The thematic approach to structuring a literature review means organising your literature by theme or category – for example, by independent variables (i.e. factors that have an impact on a specific outcome).

As you’ve been collecting and synthesising literature , you’ll likely have started seeing some themes or patterns emerging. You can then use these themes or patterns as a structure for your body discussion. The thematic approach is the most common approach and is useful for structuring literature reviews in most fields.

For example, if you were researching which factors contributed towards people trusting an organisation, you might find themes such as consumers’ perceptions of an organisation’s competence, benevolence and integrity. Structuring your literature review thematically would mean structuring your literature review’s body section to discuss each of these themes, one section at a time.

Here are some questions to ask yourself when structuring your literature review by themes:

• Are there any patterns that have come to light in the literature?
• What are the central themes and categories used by the researchers?
• Do I have enough evidence of these themes?

PS – you can see an example of a thematically structured literature review in our literature review sample walkthrough video here.

Option 3: Methodological

The methodological option is a way of structuring your literature review by the research methodologies used . In other words, organising your discussion based on the angle from which each piece of research was approached – for example, qualitative , quantitative or mixed  methodologies.

Structuring your literature review by methodology can be useful if you are drawing research from a variety of disciplines and are critiquing different methodologies. The point of this approach is to question  how  existing research has been conducted, as opposed to  what  the conclusions and/or findings the research were.

For example, a sociologist might centre their research around critiquing specific fieldwork practices. Their literature review will then be a summary of the fieldwork methodologies used by different studies.

Here are some questions you can ask yourself when structuring your literature review according to methodology:

• Which methodologies have been utilised in this field?
• Which methodology is the most popular (and why)?
• What are the strengths and weaknesses of the various methodologies?
• How can the existing methodologies inform my own methodology?

3: The Conclusion Section

Once you’ve completed the body section of your literature review using one of the structural approaches we discussed above, you’ll need to “wrap up” your literature review and pull all the pieces together to set the direction for the rest of your dissertation or thesis.

The conclusion is where you’ll present the key findings of your literature review. In this section, you should emphasise the research that is especially important to your research questions and highlight the gaps that exist in the literature. Based on this, you need to make it clear what you will add to the literature – in other words, justify your own research by showing how it will help fill one or more of the gaps you just identified.

Last but not least, if it’s your intention to develop a conceptual framework for your dissertation or thesis, the conclusion section is a good place to present this.

Example: Thematically Structured Review

In the video below, we unpack a literature review chapter so that you can see an example of a thematically structure review in practice.

Let’s Recap

In this article, we’ve  discussed how to structure your literature review for maximum impact. Here’s a quick recap of what  you need to keep in mind when deciding on your literature review structure:

• Just like other chapters, your literature review needs a clear introduction , body and conclusion .
• The introduction section should provide an overview of what you will discuss in your literature review.
• The body section of your literature review can be organised by chronology , theme or methodology . The right structural approach depends on what you’re trying to achieve with your research.
• The conclusion section should draw together the key findings of your literature review and link them to your research questions.

If you’re ready to get started, be sure to download our free literature review template to fast-track your chapter outline.

Psst… there’s more!

This post is an extract from our bestselling short course, Literature Review Bootcamp . If you want to work smart, you don't want to miss this .

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27 Comments

Great work. This is exactly what I was looking for and helps a lot together with your previous post on literature review. One last thing is missing: a link to a great literature chapter of an journal article (maybe with comments of the different sections in this review chapter). Do you know any great literature review chapters?

I agree with you Marin… A great piece

I agree with Marin. This would be quite helpful if you annotate a nicely structured literature from previously published research articles.

Awesome article for my research.

I thank you immensely for this wonderful guide

It is indeed thought and supportive work for the futurist researcher and students

Very educative and good time to get guide. Thank you

Great work, very insightful. Thank you.

Thanks for this wonderful presentation. My question is that do I put all the variables into a single conceptual framework or each hypothesis will have it own conceptual framework?

Thank you very much, very helpful

This is very educative and precise . Thank you very much for dropping this kind of write up .

Pheeww, so damn helpful, thank you for this informative piece.

I’m doing a research project topic ; stool analysis for parasitic worm (enteric) worm, how do I structure it, thanks.

comprehensive explanation. Help us by pasting the URL of some good “literature review” for better understanding.

great piece. thanks for the awesome explanation. it is really worth sharing. I have a little question, if anyone can help me out, which of the options in the body of literature can be best fit if you are writing an architectural thesis that deals with design?

I am doing a research on nanofluids how can l structure it?

Beautifully clear.nThank you!

Lucid! Thankyou!

Brilliant work, well understood, many thanks

I like how this was so clear with simple language 😊😊 thank you so much 😊 for these information 😊

Insightful. I was struggling to come up with a sensible literature review but this has been really helpful. Thank you!

You have given thought-provoking information about the review of the literature.

Thank you. It has made my own research better and to impart your work to students I teach

I learnt a lot from this teaching. It’s a great piece.

I am doing research on EFL teacher motivation for his/her job. How Can I structure it? Is there any detailed template, additional to this?

You are so cool! I do not think I’ve read through something like this before. So nice to find somebody with some genuine thoughts on this issue. Seriously.. thank you for starting this up. This site is one thing that is required on the internet, someone with a little originality!

I’m asked to do conceptual, theoretical and empirical literature, and i just don’t know how to structure it

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Ten Simple Rules for Writing a Literature Review

Marco pautasso.

1 Centre for Functional and Evolutionary Ecology (CEFE), CNRS, Montpellier, France

2 Centre for Biodiversity Synthesis and Analysis (CESAB), FRB, Aix-en-Provence, France

Literature reviews are in great demand in most scientific fields. Their need stems from the ever-increasing output of scientific publications [1] . For example, compared to 1991, in 2008 three, eight, and forty times more papers were indexed in Web of Science on malaria, obesity, and biodiversity, respectively [2] . Given such mountains of papers, scientists cannot be expected to examine in detail every single new paper relevant to their interests [3] . Thus, it is both advantageous and necessary to rely on regular summaries of the recent literature. Although recognition for scientists mainly comes from primary research, timely literature reviews can lead to new synthetic insights and are often widely read [4] . For such summaries to be useful, however, they need to be compiled in a professional way [5] .

When starting from scratch, reviewing the literature can require a titanic amount of work. That is why researchers who have spent their career working on a certain research issue are in a perfect position to review that literature. Some graduate schools are now offering courses in reviewing the literature, given that most research students start their project by producing an overview of what has already been done on their research issue [6] . However, it is likely that most scientists have not thought in detail about how to approach and carry out a literature review.

Reviewing the literature requires the ability to juggle multiple tasks, from finding and evaluating relevant material to synthesising information from various sources, from critical thinking to paraphrasing, evaluating, and citation skills [7] . In this contribution, I share ten simple rules I learned working on about 25 literature reviews as a PhD and postdoctoral student. Ideas and insights also come from discussions with coauthors and colleagues, as well as feedback from reviewers and editors.

Rule 1: Define a Topic and Audience

How to choose which topic to review? There are so many issues in contemporary science that you could spend a lifetime of attending conferences and reading the literature just pondering what to review. On the one hand, if you take several years to choose, several other people may have had the same idea in the meantime. On the other hand, only a well-considered topic is likely to lead to a brilliant literature review [8] . The topic must at least be:

• interesting to you (ideally, you should have come across a series of recent papers related to your line of work that call for a critical summary),
• an important aspect of the field (so that many readers will be interested in the review and there will be enough material to write it), and
• a well-defined issue (otherwise you could potentially include thousands of publications, which would make the review unhelpful).

Ideas for potential reviews may come from papers providing lists of key research questions to be answered [9] , but also from serendipitous moments during desultory reading and discussions. In addition to choosing your topic, you should also select a target audience. In many cases, the topic (e.g., web services in computational biology) will automatically define an audience (e.g., computational biologists), but that same topic may also be of interest to neighbouring fields (e.g., computer science, biology, etc.).

Rule 2: Search and Re-search the Literature

After having chosen your topic and audience, start by checking the literature and downloading relevant papers. Five pieces of advice here:

• keep track of the search items you use (so that your search can be replicated [10] ),
• keep a list of papers whose pdfs you cannot access immediately (so as to retrieve them later with alternative strategies),
• use a paper management system (e.g., Mendeley, Papers, Qiqqa, Sente),
• define early in the process some criteria for exclusion of irrelevant papers (these criteria can then be described in the review to help define its scope), and
• do not just look for research papers in the area you wish to review, but also seek previous reviews.

The chances are high that someone will already have published a literature review ( Figure 1 ), if not exactly on the issue you are planning to tackle, at least on a related topic. If there are already a few or several reviews of the literature on your issue, my advice is not to give up, but to carry on with your own literature review,

The bottom-right situation (many literature reviews but few research papers) is not just a theoretical situation; it applies, for example, to the study of the impacts of climate change on plant diseases, where there appear to be more literature reviews than research studies [33] .

• discussing in your review the approaches, limitations, and conclusions of past reviews,
• trying to find a new angle that has not been covered adequately in the previous reviews, and
• incorporating new material that has inevitably accumulated since their appearance.

When searching the literature for pertinent papers and reviews, the usual rules apply:

• be thorough,
• use different keywords and database sources (e.g., DBLP, Google Scholar, ISI Proceedings, JSTOR Search, Medline, Scopus, Web of Science), and
• look at who has cited past relevant papers and book chapters.

Rule 3: Take Notes While Reading

If you read the papers first, and only afterwards start writing the review, you will need a very good memory to remember who wrote what, and what your impressions and associations were while reading each single paper. My advice is, while reading, to start writing down interesting pieces of information, insights about how to organize the review, and thoughts on what to write. This way, by the time you have read the literature you selected, you will already have a rough draft of the review.

Of course, this draft will still need much rewriting, restructuring, and rethinking to obtain a text with a coherent argument [11] , but you will have avoided the danger posed by staring at a blank document. Be careful when taking notes to use quotation marks if you are provisionally copying verbatim from the literature. It is advisable then to reformulate such quotes with your own words in the final draft. It is important to be careful in noting the references already at this stage, so as to avoid misattributions. Using referencing software from the very beginning of your endeavour will save you time.

Rule 4: Choose the Type of Review You Wish to Write

After having taken notes while reading the literature, you will have a rough idea of the amount of material available for the review. This is probably a good time to decide whether to go for a mini- or a full review. Some journals are now favouring the publication of rather short reviews focusing on the last few years, with a limit on the number of words and citations. A mini-review is not necessarily a minor review: it may well attract more attention from busy readers, although it will inevitably simplify some issues and leave out some relevant material due to space limitations. A full review will have the advantage of more freedom to cover in detail the complexities of a particular scientific development, but may then be left in the pile of the very important papers “to be read” by readers with little time to spare for major monographs.

There is probably a continuum between mini- and full reviews. The same point applies to the dichotomy of descriptive vs. integrative reviews. While descriptive reviews focus on the methodology, findings, and interpretation of each reviewed study, integrative reviews attempt to find common ideas and concepts from the reviewed material [12] . A similar distinction exists between narrative and systematic reviews: while narrative reviews are qualitative, systematic reviews attempt to test a hypothesis based on the published evidence, which is gathered using a predefined protocol to reduce bias [13] , [14] . When systematic reviews analyse quantitative results in a quantitative way, they become meta-analyses. The choice between different review types will have to be made on a case-by-case basis, depending not just on the nature of the material found and the preferences of the target journal(s), but also on the time available to write the review and the number of coauthors [15] .

Rule 5: Keep the Review Focused, but Make It of Broad Interest

Whether your plan is to write a mini- or a full review, it is good advice to keep it focused 16 , 17 . Including material just for the sake of it can easily lead to reviews that are trying to do too many things at once. The need to keep a review focused can be problematic for interdisciplinary reviews, where the aim is to bridge the gap between fields [18] . If you are writing a review on, for example, how epidemiological approaches are used in modelling the spread of ideas, you may be inclined to include material from both parent fields, epidemiology and the study of cultural diffusion. This may be necessary to some extent, but in this case a focused review would only deal in detail with those studies at the interface between epidemiology and the spread of ideas.

While focus is an important feature of a successful review, this requirement has to be balanced with the need to make the review relevant to a broad audience. This square may be circled by discussing the wider implications of the reviewed topic for other disciplines.

Rule 6: Be Critical and Consistent

Reviewing the literature is not stamp collecting. A good review does not just summarize the literature, but discusses it critically, identifies methodological problems, and points out research gaps [19] . After having read a review of the literature, a reader should have a rough idea of:

• the major achievements in the reviewed field,
• the main areas of debate, and
• the outstanding research questions.

It is challenging to achieve a successful review on all these fronts. A solution can be to involve a set of complementary coauthors: some people are excellent at mapping what has been achieved, some others are very good at identifying dark clouds on the horizon, and some have instead a knack at predicting where solutions are going to come from. If your journal club has exactly this sort of team, then you should definitely write a review of the literature! In addition to critical thinking, a literature review needs consistency, for example in the choice of passive vs. active voice and present vs. past tense.

Rule 7: Find a Logical Structure

Like a well-baked cake, a good review has a number of telling features: it is worth the reader's time, timely, systematic, well written, focused, and critical. It also needs a good structure. With reviews, the usual subdivision of research papers into introduction, methods, results, and discussion does not work or is rarely used. However, a general introduction of the context and, toward the end, a recapitulation of the main points covered and take-home messages make sense also in the case of reviews. For systematic reviews, there is a trend towards including information about how the literature was searched (database, keywords, time limits) [20] .

How can you organize the flow of the main body of the review so that the reader will be drawn into and guided through it? It is generally helpful to draw a conceptual scheme of the review, e.g., with mind-mapping techniques. Such diagrams can help recognize a logical way to order and link the various sections of a review [21] . This is the case not just at the writing stage, but also for readers if the diagram is included in the review as a figure. A careful selection of diagrams and figures relevant to the reviewed topic can be very helpful to structure the text too [22] .

Rule 8: Make Use of Feedback

Reviews of the literature are normally peer-reviewed in the same way as research papers, and rightly so [23] . As a rule, incorporating feedback from reviewers greatly helps improve a review draft. Having read the review with a fresh mind, reviewers may spot inaccuracies, inconsistencies, and ambiguities that had not been noticed by the writers due to rereading the typescript too many times. It is however advisable to reread the draft one more time before submission, as a last-minute correction of typos, leaps, and muddled sentences may enable the reviewers to focus on providing advice on the content rather than the form.

Feedback is vital to writing a good review, and should be sought from a variety of colleagues, so as to obtain a diversity of views on the draft. This may lead in some cases to conflicting views on the merits of the paper, and on how to improve it, but such a situation is better than the absence of feedback. A diversity of feedback perspectives on a literature review can help identify where the consensus view stands in the landscape of the current scientific understanding of an issue [24] .

Rule 9: Include Your Own Relevant Research, but Be Objective

In many cases, reviewers of the literature will have published studies relevant to the review they are writing. This could create a conflict of interest: how can reviewers report objectively on their own work [25] ? Some scientists may be overly enthusiastic about what they have published, and thus risk giving too much importance to their own findings in the review. However, bias could also occur in the other direction: some scientists may be unduly dismissive of their own achievements, so that they will tend to downplay their contribution (if any) to a field when reviewing it.

In general, a review of the literature should neither be a public relations brochure nor an exercise in competitive self-denial. If a reviewer is up to the job of producing a well-organized and methodical review, which flows well and provides a service to the readership, then it should be possible to be objective in reviewing one's own relevant findings. In reviews written by multiple authors, this may be achieved by assigning the review of the results of a coauthor to different coauthors.

Rule 10: Be Up-to-Date, but Do Not Forget Older Studies

Given the progressive acceleration in the publication of scientific papers, today's reviews of the literature need awareness not just of the overall direction and achievements of a field of inquiry, but also of the latest studies, so as not to become out-of-date before they have been published. Ideally, a literature review should not identify as a major research gap an issue that has just been addressed in a series of papers in press (the same applies, of course, to older, overlooked studies (“sleeping beauties” [26] )). This implies that literature reviewers would do well to keep an eye on electronic lists of papers in press, given that it can take months before these appear in scientific databases. Some reviews declare that they have scanned the literature up to a certain point in time, but given that peer review can be a rather lengthy process, a full search for newly appeared literature at the revision stage may be worthwhile. Assessing the contribution of papers that have just appeared is particularly challenging, because there is little perspective with which to gauge their significance and impact on further research and society.

Inevitably, new papers on the reviewed topic (including independently written literature reviews) will appear from all quarters after the review has been published, so that there may soon be the need for an updated review. But this is the nature of science [27] – [32] . I wish everybody good luck with writing a review of the literature.

Acknowledgments

Many thanks to M. Barbosa, K. Dehnen-Schmutz, T. Döring, D. Fontaneto, M. Garbelotto, O. Holdenrieder, M. Jeger, D. Lonsdale, A. MacLeod, P. Mills, M. Moslonka-Lefebvre, G. Stancanelli, P. Weisberg, and X. Xu for insights and discussions, and to P. Bourne, T. Matoni, and D. Smith for helpful comments on a previous draft.

Funding Statement

This work was funded by the French Foundation for Research on Biodiversity (FRB) through its Centre for Synthesis and Analysis of Biodiversity data (CESAB), as part of the NETSEED research project. The funders had no role in the preparation of the manuscript.

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What is a literature review?

A literature review is an integrated analysis -- not just a summary-- of scholarly writings and other relevant evidence related directly to your research question.  That is, it represents a synthesis of the evidence that provides background information on your topic and shows a association between the evidence and your research question.

A literature review may be a stand alone work or the introduction to a larger research paper, depending on the assignment.  Rely heavily on the guidelines your instructor has given you.

Why is it important?

A literature review is important because it:

• Explains the background of research on a topic.
• Demonstrates why a topic is significant to a subject area.
• Discovers relationships between research studies/ideas.
• Identifies major themes, concepts, and researchers on a topic.
• Identifies critical gaps and points of disagreement.
• Discusses further research questions that logically come out of the previous studies.

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1. Choose a topic. Define your research question.

Your literature review should be guided by your central research question.  The literature represents background and research developments related to a specific research question, interpreted and analyzed by you in a synthesized way.

• Make sure your research question is not too broad or too narrow.  Is it manageable?
• Begin writing down terms that are related to your question. These will be useful for searches later.
• If you have the opportunity, discuss your topic with your professor and your class mates.

2. Decide on the scope of your review

How many studies do you need to look at? How comprehensive should it be? How many years should it cover? 

• This may depend on your assignment.  How many sources does the assignment require?

3. Select the databases you will use to conduct your searches.

Make a list of the databases you will search. 

Where to find databases:

• use the tabs on this guide
• Find other databases in the Nursing Information Resources web page
• More on the Medical Library web page
• ... and more on the Yale University Library web page

4. Conduct your searches to find the evidence. Keep track of your searches.

• Use the key words in your question, as well as synonyms for those words, as terms in your search. Use the database tutorials for help.
• Save the searches in the databases. This saves time when you want to redo, or modify, the searches. It is also helpful to use as a guide is the searches are not finding any useful results.
• Review the abstracts of research studies carefully. This will save you time.
• Use the bibliographies and references of research studies you find to locate others.
• Check with your professor, or a subject expert in the field, if you are missing any key works in the field.
• Ask your librarian for help at any time.
• Use a citation manager, such as EndNote as the repository for your citations. See the EndNote tutorials for help.

Review the literature

Some questions to help you analyze the research:

• What was the research question of the study you are reviewing? What were the authors trying to discover?
• Was the research funded by a source that could influence the findings?
• What were the research methodologies? Analyze its literature review, the samples and variables used, the results, and the conclusions.
• Does the research seem to be complete? Could it have been conducted more soundly? What further questions does it raise?
• If there are conflicting studies, why do you think that is?
• How are the authors viewed in the field? Has this study been cited? If so, how has it been analyzed?

Tips: 

• Review the abstracts carefully.  
• Keep careful notes so that you may track your thought processes during the research process.
• Create a matrix of the studies for easy analysis, and synthesis, across all of the studies.
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Mini-Module: How to Write a Literature Review

• 1. What is a Literature Review?
• 2. Features of a Literature Review

3. Writing a Literature Review

• 4. Structuring a Literature Review
• 5. What Should I do Next?

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Get ready for university, get ready for university, when writing a literature review, you should think about the following stages:  , thinking of ideas.

Brainstorm and source key literature in your area(s) — Books, papers, articles and so on written by key authors in the field — Policy and guidance documents

These are the stages when you find you are reading a lot – and it may not all make sense yet! Don’t worry, this is perfectly natural.

Identify journal and magazine articles appropriate to your area of study and check the indexes for suitable articles. Follow up references and bibliographies in books and articles. Browse the library catalogues, look at the shelves. Refer to specialist reader lists from other parts of your course.

Narrowing it down

After so much reading, you need to refine! There are four key elements to consider:

• Identify the focus of the field – this will be the general topic or subject area within which the problem of issue you are investigating is set.
• Select the appropriate sources of information – from what you have read, what can you use directly? Indirectly?
• Extract information of direct relevance – a Literature Review isn’t the time to show off how much you have read. Keep it relevant!
• Concentrate on those texts which provide information you need – you will need to have clarity in your writing

 Notes

Some top tips:

• Paraphrase 
• Ask questions and make comments – this is your criticality!
• Keep detailed referencing information in your notes – author, date, title, publisher

Sort and prioritise the literature you have already See which authors/ideas compliment each other See which authors/ideas disagree with each other.

Think about the best way to organise your literature Review: – Chronologically? – Thematically? – By ‘different schools of thought’?

Write, and rewrite

This stage can feel quite laborious and repetitive – but remember that high quality work is always the result of a careful drafting and redrafting process.

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How to Write a Literature Review

An introduction to and a guide on how to write your next literature review

Become a Visual Thinker

Preparing for a Literature Review

Clearly define the topic of your research, this is the basis of picking what articles you'll be reading, analyzing and summarizing, and subsequently including in your research topic. Narrowing down the topic allows you to have a more specific base of literature to read, analyze, and review.

What is a Literature Review?

A literature review is a portion of a research paper that compiles, describes, and analyzes different sources of information relevant to a given research topic, and then draws connections between each source to one another and the research of the author writing the review. Rather than simply describing each of the sources, critical reviews of the sources should be made.

Literature Review Purpose

A literature review is important for a variety of reasons, beyond just providing a background for your research topic. The purpose of the literature review is to:

Discuss current questions and debates that exist in the research topic

Provide a summary of the relevant aspects of the sources reviewed

Show how your research paper is placed chronologically in the research topic

Provide an overall understanding and introduction to the topic, building credibility

Prevent the author from researching a topic or area that has already been done

How to Develop a Literature Review for Theses and Dissertations

The first step in developing the literature review for theses and dissertations is to collect information and sources that are related to the topic area you are researching.

1. Keyword search

There are a variety of different places to find relevant further research for your topic. University or public library catalogs are a good place to search, as well as online databases such as Google Scholar. When searching for relevant sources, try to use keywords that are related to your topic. When you find a few really good sources, look at their literature reviews and bibliographies to find other literature in the field.

2. Snowballing

Read as many sources in your field as possible to fully understand what work has been done in the past and where the current status of the topic lies. This could be journal articles, publications, books, and interviews, to name just a few.

Take notes as you are reading the different sources. I personally like to download my sources in my theses as pdfs and then highlight relevant information and annotate in the margins, using Adobe Acrobat Reader.

Once you have read and annotated bibliography of the relevant sources, then analyze the collected works and categorize them from most and least relevant to the subject you are discussing. One effective method for doing this is by utilizing a reading grid.

A reading grid can be broken down by source information individually for each source included in the theses or dissertation literature review, such as the research question, methodology, findings, limitations, and areas for future research. This allows you to easily see the most relevant information within each piece of literature. An example of this can be seen below, provided by OpenAcademics and adapted from Auckland University of Technology.

View this example in greater detail here .

3. Citations 

Citing a source means giving the credit for the source used in your research paper. This includes the information that you get from books or scholarly articles, and even pictures, charts or graphs. It is essential to give credit where it is due, so that you do not plagiarize another person's work.

You will need to include citations when you are using specific information from a single source, or when you are paraphrasing an idea from a single source. Citations can help avoid any confusion that would arise if someone else reads your work, and they can help direct readers to further resources on your topic.

When writing a literature review it is essential to keep track of all of the sources that you use. You should compile all of the sources into one document so that you can refer back to them easily and know what information came from which source. This will make it easier for you when you are ready to write your paper and insert citations.

There is a citation style that is specific to each discipline, and you should always follow the standards for your field. Check with your instructor or supervisor if you have any questions about the citation style you should use.

How to format citations

To make sure your paper is as perfect as it can be, let's take a look at how to format citations. If you're using Microsoft Word to write your literature review, you can use the "References" tab to organize your citations. If you want more control over the formatting, or if you're using another type of word processing program, you can do it manually.

Starting with a few basics

Double space everything, including block quotes and bibliography entries. If you're using a citation tool like Zotero or EndNote, make sure the formatting preferences are set for double spacing.For citations, you can use a standard font (like Times New Roman or Arial) in size 12. Using 1-inch margins all around for citations is common practice. To make sure your citations look good, indenting each new citation by half an inch is a good practice. (if you press Tab at the beginning of a paragraph, that should work).

Literature Review Length

The number of concepts explored and the number of sources incorporated into the literature review will determine its length. The number of sources included depend on how narrow or broad the topic is, the level of agreement among researchers in the topic, and the desired depth of analysis.

If the topic of your research is incredibly specific, there may only be a limited number of sources to choose from for your review, whereas if it is a really broad topic, you may need to include a variety of sources to paint a full picture of the topic background. Additionally, if there is a lot of disagreement within the research topic, you may need to include more sources to show the varying opinion that exists.

Introduction to the Literature Review

This section should describe how your research topic is placed in the context of the existing literature in the field, and provide a reasoning for reviewing the literature that has been selected. Additionally the methodology for finding these sources should be discussed, and the order of the selected literature should be explained — whether it is running chronologically, based on theme of sources, or some other methodological manner.

Body of the Literature Review

The best approach for the body of the literature review is to break it down into sections or paragraphs for each of the sources reviewed. Within each literature source discussion, there should be the following components:

Description of the context of the literature and a summary of the most important concepts and aspects

Explanations of theories, equations, and terminology, relevant to the topic

Discussion of aspects of the literature that connect to your research topic

Conclusion of the Literature Review

Within the conclusion of the literature review, the entire section should be summarized and connected together in a methodical manner. To achieve this, the conclusion should provide the following:

A summarized overview of the important concepts, flaws, and gaps in each of the reviewed sources.

A description of how the literature is tied together, and a discussion of how the topic being written about also contributes to the overall field of knowledge.

You should show that the sources provided in the literature review relate to the work that is to be discussed in your research topic. Directly discuss different aspects of the literature review that contributed to the concepts, ideas, methodology, results, and conclusions in your research. If your research addresses potential gaps in past literature, you can also highlight this here.

An effective method for meeting this conclusion is to first synthesize the works with a brief introduction, a comparison of agreeing and disagreeing points of view, and stating the research findings impact. Then finalize the conclusion by pointing out the limitations of the topic, its impact, and discussing the contribution of your own work to this field.

An example of this synthesis and contribution discussion can be seen below, provided by OpenAcademics and adapted from Auckland University of Technology.

You can view this example in greater detail here .

If you need additional insight into creating a literature review, I highly recommend checking out this video created by Wordvice Editing Service, which provides a detailed explanation of what to include, what not to include, how to structure, and how to compose a literature review from start to finish.

Thank you for reading!

If you’re looking for a tool to aid in your literature review, check out Scrintal — a web application designed to gather, organize & visually connect your thoughts, files & insights.

How to write the literature review of your research paper

Study Background & Introduction

Dr. Rishibha Sachdev

Many researchers struggle when it comes to writing literature review for their research paper. A literature review is a comprehensive overview of all the knowledge available on a specific topic till date. When you decide on a research topic, usually the first step you take in the direction of conducting research is learn more about the previous research published on the topic, and this eventually translates into literature review when you write your research paper. Literature review is one of the pillars on which your research idea stands since it provides context, relevance, and background to the research problem you are exploring.  

Types of literature review

Theoretical literature review essentially involves two steps: 

• Surveying and critically reading the existing literature: this step is commonly referred to as experimental literature review.
• Summarizing and actually penning down the gist of your review in an organized manner: this is known as theoretical review.

Literature review could be a part of a dissertation or research article and a stand-alone literature review. Let us look at this in more detail.

Literature reviews for dissertation/research article

Every research report/ thesis/research article begins with an introduction to the topic of research. This forms the literature review for the article. The main purpose of the review is to introduce the readers to the need for conducting the said research. A literature review should begin with a thorough literature search using the main keywords in relevant online databases such as Google Scholar , PubMed , etc. Once all the relevant literature has been gathered, it should be organized as follows:

• Background literature about the broad research topic to introduce the readers to the field of study.
• Recent progress on the study topic which can be organized thematically or chronologically. Ideally, separate themes should be discussed in a chronological manner to describe how research in the field has evolved over time and to highlight the progress in the field.
• The review should include a comparison and contrast of different studies. Discussing the controversial aspects helps to identify the main gaps that need to be worked upon. This is essential for defining the problem statement of the study and highlighting the significance of the research under question.
• Once a problem statement has been defined, the strengths and pitfalls of other studies that have tackled the problem statement should be discussed. This is important for outlining the need and novelty of the research.

A literature review should not be a mere recounting of all the available information. It should be a critical and analytical summary of the selected literature that guides the readers through the central theme of the research.

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Stand-alone literature reviews

Literature reviews can also be written as stand-alone articles. These are not different from the literature review sections described above; however, they are not followed by experimental data.

They basically fall into 2 broad categories: narrative reviews and systematic reviews.

1. Narrative reviews

These are theoretical discussions of relevant information on a particular topic and its critical analysis. These are mostly qualitative in nature similar to the review sections of larger articles.

Narrative reviews are usually organized as follows:

Introduction that establishes the context of the field of research and the topic of the review

Body is normally used for describing the different themes under the main topic by dividing them into different subheadings. This section compares and contrasts published studies and identifies gaps that have not been addressed or have been unsuccessfully addressed.

Conclusions. This section differs slightly between reviews which are part of research articles and narrative reviews. The section describes the main conclusions from analysis of all the current studies and puts forth further avenues for research. This section requires critical interpretation by the author such that the review adds value to existing literature. It should bring out ideas/hypotheses that can explain any discrepancies and provide solutions to existing problems.

2. Systematic reviews

On the other hand, systematic reviews follow a well-planned methodology to qualitatively or quantitatively analyze a defined number of studies. They usually focus on a single question and have clear study objectives that are worked upon in a systematic manner. These studies are based on a well-defined strategy unlike narrative reviews. Systematic reviews and narrative reviews are organized slightly differently. The details are described below:

Introduction: Systematic reviews begin with specific research questions that are defined in terms of the samples and research outcomes to be studied.

Methods (only for systematic reviews):  These studies have a comprehensive methodology that starts by narrowing down the literature for the review. Usually, specific inclusion/exclusion criteria are set based on the research questions and databases are searched based on these criteria. Once the sample studies have been shortlisted, they are analyzed in detail.

Results: The results section for these studies involves comprehensive data analysis to determine the significance of the study outcomes. Systematic reviews can be accompanied with Meta-analysis which involves statistical analysis of the included studies to increase the power of the results.

Discussion: This section usually interprets the study data based on their weighted significance and the power of the results. The study therefore provides strengthened results that are validated by the scientific rigor of the analytical method.

Before starting to write a review, it is important to determine what kind of review you want to write and follow the appropriate style and guidelines. An effective literature review is important for the complete life cycle of a research from defining the right research goals to correctly interpreting and presenting the research results.

If you wish to learn in more depth how to conduct literature search, check out this course designed exclusively for researchers:  How to conduct an effective literature search and review .

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Writing a literature review requires you to read through and collate several research articles and literature sources. This can get very confusing considering the large amount of publications that need to be organized. There is no set way to do this as it will depend on your preference for reading printed articles or online resources. If you are old school and read printed articles better, then you should create a folder with all articles organized in this way:

1. Alphabetically with the last name of the first author, or

2. Chronologically with the date of publication, or

3. Thematically with different themes organized chronologically

For the more tech-savy users, organization of literature either by year of publication or themes would be more ideal. Citing and creating a reference list in your manuscript can be done either manually or by using reference management tools like Endnote from Clarivate analytics. Endnote is an excellent way to store your research library and import it into the manuscript in the format required by the journal.

The tips and guidelines in this post should help you write your literature review with ease.

Related reading: 

• A young researcher's guide to writing a literature review
• 5 Tips to write a great literature review

References:

• Tips for effective literature searching and keeping up with new publications
• Writing a Literature Review
• Systematic literature review X narrative review
• Systematic Reviews: What is a systematic review?

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Literature Reviews

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For example, the following research question is too broad.

Does social media affect mental health in college students?

A more focused research question could be:

Does social media play a role in the number of eating disorder diagnoses in college-aged women?

Need some guidance? Contact your subject librarian for a research consultation or reach out to [email protected] .

Start the brainstorming process:

• Begin by identifying a broad topic of research interest (the more you're personally interested in it, the better!). Write it down to clarify your focus.
• Narrow down your scope  by considering specific areas within this topic that you want to explore.
• Identify key themes and elements  related to these specific areas. These will be the building blocks of your investigation.
• Finally,  integrate these key areas and elements  into a well-crafted research question.

One way to brainstorm is to use a flowchart.

The scope of a topic  encompasses the boundaries and constraints you set for your research. The more precise your research question, the smoother the research process becomes.

Feeling stuck? Here are some ways you can narrow down your topic:

• geographic location
• time period
• discipline/field of study
• age group, etc.

You:  I need to conduct a literature review about social media, mental health, and college students. What are some example research questions within this topic?

ChatGPT: 

• How does the frequency and nature of social media use impact the mental health of college students?
• What role do specific social media platforms play in influencing the mental well-being of college students?
• How do online social interactions on platforms like Facebook, Instagram, or Twitter relate to the mental health outcomes of college students?
• Are there differences in the association between social media use and mental health outcomes based on demographic factors such as gender, age, or academic major among college students?
• What strategies do college students employ to cope with negative mental health effects associated with social media use?
• How does the perception of social support through online platforms affect the mental health of college students?
• To what extent does the comparison of oneself to others on social media contribute to mental health challenges among college students?
• What interventions or educational programs are effective in promoting positive mental health behaviors in the context of social media use for college students?
• How do social media literacy and awareness programs impact the mental health attitudes and behaviors of college students?
• What is the relationship between the use of social media for academic and social purposes and the mental health outcomes of college students?

Generative AI tools : ChatGPT , Google Gemini (formerly Bard) , Claude , Microsoft Copilot

For more information on how to incorporate AI tools into your research, check out the section on AI Tools .

• Developing Your Research Question
• Developing a Researchable Question
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How to Write a Literature Review

• 1. Identify the Question
• Literature Reviews: A Recap
• Reading Journal Articles
• Does it Describe a Literature Review?

Identify the question

Developing a research question.

• 2. Review Discipline Styles
• Searching Article Databases
• Finding Full-Text of an Article
• Citation Chaining
• When to Stop Searching
• 4. Manage Your References
• 5. Critically Analyze and Evaluate
• 6. Synthesize
• 7. Write a Literature Review

From Topic to Question (Infographic)

This graphic emphasizes how reading various sources can play a role in defining your research topic.

( Click to Enlarge Image )

Text description of "From Topic to Question" for web accessibility

In some cases, such as for a course assignment or a research project you're working on with a faculty mentor, your research question will be determined by your professor. If that's the case, you can move on to the next step .  Otherwise, you may need to explore questions on your own. 

A few suggestions

Photo Credit: UO Libraries

According to The Craft of Research (2003) , a research question is more than a practical problem or something with a yes/no answer. A research question helps you learn more about something you don't already know and it needs to be significant enough to interest your readers.

Your Curiosity + Significance to Others = Research Question

How to get started.

In a research paper, you develop a unique question and then synthesize scholarly and primary sources into a paper that supports your argument about the topic.

• Identify your Topic (This is the starting place from where you develop a research question.)
• Refine by Searching (find background information) (Before you can start to develop a research question, you may need to do some preliminary background research to see (1) what has already been done on the topic and (2) what are the issues surrounding the topic.) HINT: Find background information in Google and Books.
• Refine by Narrowing (Once you begin to understand the topic and the issues surrounding it, you can start to narrow your topic and develop a research question. Do this by asking the 6 journalistic question words.

Ask yourself these 6 questions 

These 6 journalistic question words can help you narrow your focus from a broad topic to a specific question.

Who : Are you interested in a specific group of people? Can your topic be narrowed by gender, sex, age, ethnicity, socio-economic status or something else? Are there any key figures related to your topic?

What : What are the issues surrounding your topic? Are there subtopics? In looking at background information, did you notice any gaps or questions that seemed unanswered?

Where : Can your topic be narrowed down to a geographic location? Warning: Don't get too narrow here. You might not be able to find enough information on a town or state.

When : Is your topic current or historical? Is it confined to a specific time period? Was there a causative event that led your topic to become an area of study?

Why : Why are you interested in this topic? Why should others be interested?

How : What kinds of information do you need? Primary sources, statistics? What is your methodology?

Detailed description of, "Developing a Research Question" for web accessibility

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Alice Munro, Canadian author who mastered the short story, dead at 92

Munro, who won the nobel prize in 2013, acclaimed for blending ordinary lives with extraordinary themes.

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Alice Munro, a Canadian author who was revered worldwide as master of the short story and one of few women to win the Nobel Prize in Literature, has died at the age of 92.

Her publisher said she died at her home in Port Hope, Ont., on Monday evening.

"Alice Munro is a national treasure — a writer of enormous depth, empathy, and humanity whose work is read, admired, and cherished by readers throughout Canada and around the world," read a statement from Kristin Cochrane, CEO of McClelland & Stewart, which is owned by Penguin Random House Canada.

"Alice's writing inspired countless writers too, and her work leaves an indelible mark on our literary landscape."

Munro wrote more than a dozen acclaimed collections over the course of her career, seamlessly blending ordinary people with extraordinary themes — womanhood, restlessness, aging — to develop complex characters with the nuance, depth and clarity most writers can only find in the wider confines of a novel.

In honouring her with the Nobel Prize in Literature in 2013, the Swedish Academy hailed Munro as "master of the contemporary short story," affirming what her peers, critics and readers had proclaimed for years.

• Canadian authors remember the late Alice Munro — and the literary legacy she leaves behind
• Alice Munro's legacy with the New Yorker

"Alice Munro was one of the world's greatest storytellers. Her short stories about life, friendship, and human connection left an indelible mark on readers. A proud Canadian, she leaves behind a remarkable legacy," read a statement from Prime Minister Justin Trudeau on Tuesday.

"On behalf of the Government of Canada, I offer my condolences to Mrs. Munro's family, friends, and many fans. Her creativity, compassion, and gift for writing will remain an inspiration for generations."

Early years in small-town Ontario

Munro was born Alice Laidlaw in Wingham, Ont., on July 10, 1931. The eldest child of Robert and Anne Laidlaw, she was raised on what she described as a " collapsing enterprise of a fox and mink farm " in the throes of the Great Depression.

An avid reader by 11, Munro was drawn to the work of literary legends Lucy Maud Montgomery and Charles Dickens. She began "making up stories in her mind" after discovering the works of Alfred Tennyson, according to her official Nobel biography.

Alice Munro on the craft of writing

As the eldest child, Munro took on most of the domestic roles in the household after her mother, who had been a schoolteacher, was diagnosed with Parkinson's disease. Though only 12 or 13, Munro said the work gave her "a sense of responsibility, purpose, being important. It didn't bother me at all."

Despite the family challenges, she began writing short stories when she was a teenager. She graduated valedictorian of her high school class in 1949 with a two-year scholarship to the University of Western Ontario in London.

Her first published story, The Dimensions of a Shadow , appeared in Western's undergraduate creative writing magazine, Folio, in the spring of 1950 . Two more pieces followed, with all three receiving praise for their exploration of the lives of girls and women.

It was there that she met and began dating honours history student James Munro. She also noticed Gerald Fremlin, an older student and another contributor to Folio.  Laidlaw and Munro married at her parents' home in Wingham on Dec. 29, 1951. The following year, James gave his wife a typewriter as a 21st birthday present.

The Munros had three daughters — Sheila, Catherine and Jenny — in the early years of their marriage. (Catherine died the same day she was born.) Munro left university when the scholarship money ran out and the family eventually settled in West Vancouver's Dundarave neighbourhood.

• 92 things to know about master short story writer Alice Munro
• Alice Munro’s friend and editor on what made her ‘a world-class figure’

The monotony of the girls' early years was reflected in 1978's The Moons of Jupiter , which described "wives yawning, napping, visiting, drinking coffee, and folding diapers; husbands coming home at night from the city across the water."

"We had become a cartoon couple, more middle-aged in our twenties than we would be in middle age," she wrote.

5 coolest things Alice Munro told CBC about her writing

Devotion to the short story.

Munro later said she devoted her career to the short story medium — regarded by many as notoriously difficult and by others as inferior to the novel — because the demands of marriage and motherhood didn't allow her the time to complete longer works.

In 1963, the Munros moved to Victoria and opened Munro's Books on Yates Street. Munro credits the bookstore, which made a "marvellous" $175 on its first day and is still flourishing, as helping her overcome the writer's block she experienced from her mid-20s to her mid-30s: "The writing ceased to be this all-important thing that I had to prove myself with. The pressure came off."

"Just as she would shape Munro's, Munro's would shape Alice," the shop wrote in a tribute to its founder. "Jim enjoyed recounting his wife's urge to write something better than the 'crappy books' that sold alongside the store's more palatable titles."

Alice Munro remembered at the beloved Victoria book store she co-founded

Munro's first collection of stories, Dance of the Happy Shades , was published in 1968 — two years after she gave birth to her fourth daughter, Andrea. The anthology drew attention from other Canadian literary giants such as Margaret Atwood and earned her comparisons to the famed Russian short story writer Anton Chekhov.

After her marriage ended in 1972, Munro moved back to Ontario. She reconnected with Fremlin — whom she'd shared pages with in Folio back at Western — after he deduced from an interview of hers on CBC Radio in 1974 that she was back in Ontario. The pair married and moved to Clinton, Ont., not far from her hometown in Wingham.

Fremlin, a retired geographer and cartographer, was the one to use the office in the couple's home. Munro opted to write at a tiny desk facing a window overlooking the driveway from the corner of their dining room, according to a 2013 profile . 

Alice Munro amazed by Nobel win

International recognition came after the New Yorker bought its first Munro story, Royal Beatings , in 1977. Munro nurtured a decades-long publishing relationship with the magazine, cementing the Canadian author's status with an elite group of contributors who defined the American publication's celebrated love affair with short fiction .

An unapologetic revisionist, Munro was known to keep reworking stories even after her publisher had sent them back without asking for any changes.

• Alice Munro on writing about life, love, sex and secrets
• Alice Munro on the craft of writing short stories

In one instance , she personally paid financial penalties in order to add an entirely new story and change the voice from first to third person after the printing deadline for Who Do You Think You Are? — a collection of short stories that went on to win Munro the Governor General's Award in 1978.

Munro won a litany of literary honours over the next decades of her career, including two more Governor General's Awards, two Giller Prizes and the Man Booker International Prize. She also received an honorary degree from her alma mater, Western University — the "only such honour" she ever accepted, the school has said .

In mid-2013, shortly after the death of her second husband, Munro told the National Post that she was content with her career and "probably not going to write anymore."

She won the Nobel Prize in Literature that October, becoming the 13th woman to receive the honour.

In an interview with CBC after her Nobel win, Munro said: "I think my stories have gotten around quite remarkably for short stories, and I would really hope that this would make people see the short story as an important art, not just something that you played around with until you'd got a novel written."

Munro's last collection of work, Dear Life , was published in 2012. She introduced the final four stories in its pages, called Finale , as "autobiographical in feeling", if only partly.

"I believe they are the first and last — and the closest — things I have to say about my own life."

ABOUT THE AUTHOR

Senior Writer

Rhianna Schmunk is a senior writer for CBC News based in Vancouver. Over a decade in journalism, she has reported on subjects including criminal justice, civil litigation and climate change. You can send story tips to [email protected].

• Send confidential story tips with SecureDrop
• Follow Rhianna on X

With files from CBC Books

Related Stories

• Canadian authors remember Alice Munro and her literary legacy
• audio Alice Munro’s friend and editor on what made her ‘a world-class figure’
• Alice Munro wrote about life, love, sex and secrets — revisit her 2004 conversation with Eleanor Wachtel

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Alice Munro, Nobel literature winner revered as short story master, dead at 92

FILE - Canadian author Alice Munro poses for a photograph at the Canadian Consulate’s residence in New York on Oct. 28, 2002. Munro, the Canadian literary giant who became one of the world’s most esteemed contemporary authors and one of history’s most honored short story writers, has died at age 92. (AP Photo/Paul Hawthorne, File)

FILE - Canadian author Alice Munro is photographed during an interview in Victoria, B.C. Tuesday, Dec.10, 2013. Munro, the Canadian literary giant who became one of the world’s most esteemed contemporary authors and one of history’s most honored short story writers, has died at age 92. (Chad Hipolito/The Canadian Press via AP, File)

FILE - Nobel Prize-winning Canadian author Alice Munro attends a ceremony held by the Royal Canadian Mint where they unveiled a 99.99% pure silver five-dollar coin in Victoria, B.C., on March 24, 2014. Munro, the Canadian literary giant who became one of the world’s most esteemed contemporary authors and one of history’s most honored short story writers, has died at age 92. (Chad Hipolito/The Canadian Press via AP, File)

FILE - Writer Alice Munro attends the opening night of the International Festival of Authors in Toronto on Wednesday Oct. 21, 2009. Munro, the Canadian literary giant who became one of the world’s most esteemed contemporary authors and one of history’s most honored short story writers, has died at age 92. (Chris Young/The Canadian Press via AP)

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Nobel laureate Alice Munro, the Canadian literary giant who became one of the world’s most esteemed contemporary authors and one of history’s most honored short story writers, has died at age 92.

A spokesperson for publisher Penguin Random House Canada said Munro, winner of the Nobel literary prize in 2013, died Monday at home in Port Hope, Ontario. Munro had been in frail health for years and often spoke of retirement, a decision that proved final after the author’s 2012 collection, “Dear Life.”

Often ranked with Anton Chekhov, John Cheever and a handful of other short story writers, Munro achieved stature rare for an art form traditionally placed beneath the novel. She was the first lifelong Canadian to win the Nobel and the first recipient cited exclusively for short fiction. Echoing the judgment of so many before, the Swedish academy pronounced her a “master of the contemporary short story” who could “accommodate the entire epic complexity of the novel in just a few short pages.”

Munro, little known beyond Canada until her late 30s, also became one of the few short story writers to enjoy ongoing commercial success. Sales in North America alone exceeded 1 million copies and the Nobel announcement raised “Dear Life” to the high end of The New York Times’ bestseller list for paperback fiction. Other popular books included “Too Much Happiness,” “The View from Castle Rock” and “The Love of a Good Woman.”

Over a half century of writing, Munro perfected one of the greatest tricks of any art form: illuminating the universal through the particular, creating stories set around Canada that appealed to readers far away. She produced no single definitive work, but dozens of classics that were showcases of wisdom, technique and talent — her inspired plot twists and artful shifts of time and perspective; her subtle, sometimes cutting humor; her summation of lives in broad dimension and fine detail; her insights into people across age or background, her genius for sketching a character, like the adulterous woman introduced as “short, cushiony, dark-eyed, effusive. A stranger to irony.”

Her best known fiction included “The Beggar Maid,” a courtship between an insecure young woman and an officious rich boy who becomes her husband; “Corrie,” in which a wealthy young woman has an affair with an architect “equipped with a wife and young family"; and “The Moons of Jupiter,” about a middle-aged writer who visits her ailing father in a Toronto hospital and shares memories of different parts of their lives.

“I think any life can be interesting,” Munro said during a 2013 post-prize interview for the Nobel Foundation. “I think any surroundings can be interesting.”

Disliking Munro, as a writer or as a person, seemed almost heretical. The wide and welcoming smile captured in her author photographs was complemented by a down-to-earth manner and eyes of acute alertness, fitting for a woman who seemed to pull stories out of the air the way songwriters discovered melodies. She was admired without apparent envy, placed by the likes of Jonathan Franzen, John Updike and Cynthia Ozick at the very top of the pantheon. Munro’s daughter, Sheila Munro, wrote a memoir in which she confided that “so unassailable is the truth of her fiction that sometimes I even feel as though I’m living inside an Alice Munro story.” Fellow Canadian author Margaret Atwood called her a pioneer for women, and for Canadians.

“Back in the 1950s and 60s, when Munro began, there was a feeling that not only female writers but Canadians were thought to be both trespassing and transgressing,” Atwood wrote in a 2013 tribute published in the Guardian after Munro won the Nobel. “The road to the Nobel wasn’t an easy one for Munro: the odds that a literary star would emerge from her time and place would once have been zero.”

Although not overtly political, Munro witnessed and participated in the cultural revolution of the 1960s and ‘70s and permitted her characters to do the same. She was a farmer’s daughter who married young, then left her husband in the 1970s and took to “wearing miniskirts and prancing around,” as she recalled during a 2003 interview with The Associated Press. Many of her stories contrasted the generation of Munro’s parents with the more open-ended lives of their children, departing from the years when housewives daydreamed “between the walls that the husband was paying for.”

Moviegoers would become familiar with “The Bear Came Over the Mountain,” the improbably seamless tale of a married woman with memory loss who has an affair with a fellow nursing home patient, a story further complicated by her husband’s many past infidelities. “The Bear” was adapted by Sarah Polley into the 2006 feature film “Away from Her,” which brought an Academy Award nomination for Julie Christie. In 2014, Kristen Wiig starred in “Hateship, Loveship,” an adaptation of the story “Hateship, Friendship, Courtship, Loveship, Marriage,” in which a housekeeper leaves her job and travels to a distant rural town to meet up with a man she believes is in love with her — unaware the romantic letters she has received were concocted by his daughter and a friend.

Even before the Nobel, Munro received honors from around the English-language world, including Britain’s Man Booker International Prize and the National Book Critics Circle award in the U.S., where the American Academy of Arts and Letters voted her in as an honorary member. In Canada, she was a three-time winner of the Governor’s General Award and a two-time winner of the Giller Prize.

Munro was a short story writer by choice, and, apparently, by design. Judith Jones, an editor at Alfred A. Knopf who worked with Updike and Anne Tyler, did not want to publish “Lives of Girls & Women,” her only novel, writing in an internal memo that “there’s no question the lady can write but it’s also clear she is primarily a short story writer.”

Munro would acknowledge that she didn’t think like a novelist.

“I have all these disconnected realities in my own life, and I see them in other people’s lives,” she told the AP. “That was one of the problems, why I couldn’t write novels. I never saw things hanging together too well.”

Alice Ann Laidlaw was born in Wingham, Ontario, in 1931, and spent much of her childhood there, a time and place she often used in her fiction, including the four autobiographical pieces that concluded “Dear Life.” Her father was a fox farmer, her mother a teacher and the family’s fortunes shifted between middle class and working poor, giving the future author a special sensitivity to money and class. Young Alice was often absorbed in literature, starting with the first time she was read Hans Christian Andersen’s “The Little Mermaid.” She was a compulsive inventor of stories and the “sort of child who reads walking upstairs and props a book in front of her when she does the dishes.”

A top student in high school, she received a scholarship to study at the University of Western Ontario, majoring in journalism as a “cover-up” for her pursuit of literature. She was still an undergraduate when she sold a story about a lonely teacher, “The Dimensions of a Shadow,” to CBC Radio. She was also publishing work in her school’s literary journal.

One fellow student read “Dimensions” and wrote to the then-Laidlaw, telling her the story reminded him of Chekhov. The student, Gerald Fremlin, would become her second husband. Another fellow student, James Munro, was her first husband. They married in 1951, when she was only 20, and had four children, one of whom died soon after birth.

Settling with her family in British Columbia, Alice Munro wrote between trips to school, housework and helping her husband at the bookstore that they co-owned and would turn up in some of her stories. She wrote one book in the laundry room of her house, her typewriter placed near the washer and dryer. Flannery O’Connor, Carson McCullers and other writers from the American South inspired her, through their sense of place and their understanding of the strange and absurd.

Isolated from the literary center of Toronto, she did manage to get published in several literary magazines and to attract the attention of an editor at Ryerson Press (later bought out by McGraw Hill). Her debut collection, “Dance of the Happy Shades,” was released in 1968 with a first printing of just under 2,700 copies. A year later it won the Governor’s General Award and made Munro a national celebrity — and curiosity. “Literary Fame Catches City Mother Unprepared,” read one newspaper headline.

“When the book first came they sent me a half dozen copies. I put them in the closet. I didn’t look at them. I didn’t tell my husband they had come, because I couldn’t bear it. I was afraid it was terrible,” Munro told the AP. “And one night, he was away, and I forced myself to sit down and read it all the way through, and I didn’t think it was too bad. And I felt I could acknowledge it and it would be OK.”

By the early ’70s, she had left her husband, later observing that she was not “prepared to be a submissive wife.” Her changing life was best illustrated by her response to the annual Canadian census. For years, she had written down her occupation as “housewife.” In 1971, she switched to “writer.”

Over the next 40 years, her reputation and readership only grew, with many of her stories first appearing in The New Yorker. Her prose style was straightforward, her tone matter of fact, but her plots revealed unending disruption and disappointments: broken marriages, violent deaths, madness and dreams unfulfilled, or never even attempted. “Canadian Gothic” was one way she described the community of her childhood, a world she returned to when, in middle age, she and her second husband relocated to nearby Clinton.

“Shame and embarrassment are driving forces for Munro’s characters,” Atwood wrote, “just as perfectionism in the writing has been a driving force for her: getting it down, getting it right, but also the impossibility of that.”

She had the kind of curiosity that would have made her an ideal companion on a long train ride, imagining the lives of the other passengers. Munro wrote the story “Friend of My Youth,” in which a man has an affair with his fiancee’s sister and ends up living with both women, after an acquaintance told her about some neighbors who belonged to a religion that forbade card games. The author wanted to know more — about the religion, about the neighbors.

Even as a child, Munro had regarded the world as an adventure and mystery and herself as an observer, walking around Wingham and taking in the homes as if she were a tourist. In “The Peace of Utrecht,” an autobiographical story written in the late 1960s, a woman discovers an old high school notebook and remembers a dance she once attended with an intensity that would envelop her whole existence.

“And now an experience which seemed not at all memorable at the time,” Munro wrote, “had been transformed into something curiously meaningful for me, and complete; it took in more than the girls dancing and the single street, it spread over the whole town, its rudimentary pattern of streets and its bare trees and muddy yards just free of the snow, over the dirt roads where the lights of cars appeared, jolting toward the town, under an immense pale wash of sky.”

This story has been updated to correct the title of “The Beggar Maid.”

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• Irina Cozma

A good resume can set you apart and help you land that interview.

Understanding the common mistakes job candidates make on resumes, and how to overcome them, can set you apart from your competitors. The first mistake is including irrelevant work experience. Instead, only add roles that are relevant to the position you’re applying for. The second is customizing your resume. While it’s in your benefit to adjust your resume to better match the job description, over-tuning your resume for every application can be a waste of time — and end up slowing down your search. This is especially true if you’re focused on securing a particular position that has a standard job title like “marketing coordinator” or “sales associate.” The third is overdesigning your resume. Recruiters only spend a few seconds scanning it, so keep the format simple and straightforward. The fourth is coming off as a novice. For example, don’t use an ancient email address — update it to something that sounds more professional, and give your resume a specific name so it’s easier to identify.

Resumes. Love them or hate them, you will probably need one when you apply for a job. The resume has a specific tactical role to play in your search — to get you the interview. You need to make sure it checks a few boxes to do that work because, even if you take advantage of your network, sooner or later, you will need to share your resume with the hiring manager.

• Irina Cozma , Ph.D., is a career and executive coach who supports professionals to have better career adventures. She coached hundreds of Fortune 500 executives from global organizations like Salesforce, Hitachi, and Abbott. Irina also coaches startups and the Physicians MBA at the University of Tennessee. Download her free career guide to help you prepare for your next career adventure.

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ChatGPT vs. ChatGPT Plus: Is a paid subscription still worth it?

When  GPT-4  was OpenAI's most powerful artificial intelligence large language model (LLM), paying for a subscription to ChatGPT Plus— which costs $20 a month —made sense. But now that OpenAI announced the availability of GPT-4o, I'm not so sure. 

With this latest update, OpenAI revealed an omnimodel that makes GPT-4-level intelligence available for all, so you won't need a Plus subscription to access it. What's more, free users can now access features that were previously reserved for paid subscribers, including GPT Store access to use custom GPT bots; the Memory feature to give their conversations a sense of continuity; uploading photos and documents to discuss them with ChatGPT; browsing the web to give more current context; and advanced data analysis. 

Also: 6 ways OpenAI just supercharged ChatGPT for free users

These changes can make it hard to determine who will find free ChatGPT adequate and who should spring for a Plus subscription. As a ChatGPT Plus subscriber, I'll explain below in exactly which cases you should use one or the other. Once GPT-4o is widely available, I'll test it to see how it performs for free users and ChatGPT Plus subscribers and report if any further differences arise.

You should use ChatGPT Plus if...

1. you use chatgpt a lot more than the average user.

With GPT-4o giving free users many of the same capabilities that were only available behind a Plus subscription, the reasons to sign up for a monthly fee have dwindled but are not completely gone. Free ChatGPT users will be limited in the number of messages they can send with GPT-4o, depending on usage and demand; however, OpenAI doesn't specify that limit. 

Also:  Microsoft Copilot vs. Copilot Pro: Is the subscription fee worth it?

OpenAI says ChatGPT will switch automatically to GPT-3.5 when free users reach their limit. ChatGPT Plus subscribers have five times the capacity of free users. Paid users will be able to ask GPT-4o five times as many questions as free users and will still have access to GPT-4 when they exceed their limit. We expect OpenAI will increase the limits for GPT-4o for both free and paid users. 

2. You can't wait

OpenAI says it is beginning to roll out GPT-4o to ChatGPT Plus, Team, and ChatGPT free users today, with Enterprise users coming soon. During the Spring Update live stream, OpenAI CTO Mira Murati announced that the new GPT-4o model and the rest of the updates will roll out iteratively to customers over the next few weeks. This means that only a fraction of ChatGPT users currently have access to the new features, with this number increasing shortly.

Also:  How to subscribe to ChatGPT Plus (and why you should)

If you don't want to wait until you get the new update in your account to use Plus features as a free subscriber, you can get a Plus subscription now to stave off the excitement. Note that you can cancel the subscription whenever you want.

ChatGPT Plus users still get early access to new features that OpenAI rolls out, including the new ChatGPT desktop app for macOS. This early access will soon include the new Voice Mode, which will roll out over the coming weeks. OpenAI will also launch a Windows version of the app later this year.

3. You want a tool to create charts and tables

ChatGPT is getting an upgraded data analysis feature that enables users to create interactive charts and tables from datasets. The upgrade also lets users upload files directly from Google Drive and Microsoft OneDrive, in addition to the option to browse for files on their local device. These new features will be available only in GPT-4o to ChatGPT Plus, Team, and Enterprise users.

Also: ChatGPT will put your data into interactive tables and charts with GPT-4o

With these capabilities, you could upload an entire research study to ChatGPT and ask it to generate a table with certain parameters ( always check that the info ChatGPT enters is correct). Then, you could click on a cell and ask ChatGPT a question about it or prompt it to create a pie chart. The pie chart, which would also be interactive, can be customized and downloaded for use in presentations and documents.   

You should use free ChatGPT if...

1. you don't want to pay a monthly fee.

When GPT-4o is available, ChatGPT users will no longer need a Plus subscription to access most of the features that initially attracted subscribers. OpenAI is making GPT-4o available to all users, whether they are paying or not. 

ChatGPT free users will be able to access the multimodal GPT-4o with GPT-4-level intelligence, get responses from the web, use advanced data analysis, upload files and photos to discuss with the chatbot, access custom GPTs in the GPT Store, and have more helpful experiences with Memory -- all of which used to be ChatGPT Plus benefits.

Also: The ChatGPT desktop app is more helpful than I expected - here's why and how to try it

Although it's unclear whether free users can generate images natively in GPT-4o (OpenAI did not disclose this during the event), free users will have access to GPT bots in the GPT Store. If DALL-E access remains a Plus feature, free users can still access the DALL-E bot in the GPT Store. 

2. You're a casual ChatGPT user

There is no need to upgrade to a ChatGPT Plus membership if you're just a casual user who doesn't reach the usage limits of GPT-4o. The new GPT-4o model is rolling out to ChatGPT free users with usage limits beginning today, but OpenAI hasn't specified this limit. Plus users will have a message limit that is five times greater than that of free users, with Team and Enterprise users getting even higher limits.

Also:  ChatGPT vs. Bing Chat vs. Google Bard: Which is the best AI chatbot?

If you're a free user who doesn't use ChatGPT often and stays within the usage limit, you wouldn't get much benefit from a ChatGPT Plus subscription now. I expect OpenAI will amend the subscription benefits or the price as time passes and GPT-4o becomes widely available.

Artificial Intelligence

Copilot pro vs. chatgpt plus: which is ai chatbot is worth your $20 a month, chatgpt vs. copilot: which ai chatbot is better for you, microsoft copilot vs. copilot pro: is the subscription fee worth it.

• What is ChatGPT?
• How to Use Google Gemini

The 5 best things you can do with Copilot Pro right now

Copilot Pro is Microsoft’s AI subscription service that costs $20 per month for individuals and is integrated into the brand’s Microsoft 365 suite. The paid service offers unique features to Microsoft users, provides faster and more consistent AI performance with priority access to the GPT-4 and GPT-4 Turbo large language models (LLM) during peak times, and also brings the AI technology to the brand’s most popular PC applications — and that’s where things get really interesting.

Create custom GPTs

Dalle-3 access in microsoft designer, make powerpoint presentations from text prompts, create graphs and visuals through text prompts, have copilot write for you directly in word.

Here are some of the best features on Copilot Pro and how they work.

One of the most interesting features of Copilot Pro is that you can build your own custom GPT within the AI service, meaning you can create and edit a unique chatbot to do your bidding. You can create your chatbot as a personal trainer, a chef, a language tutor, a language adviser, or a career coach, among many other personalized ideas. You can do so by accessing the Microsoft Copilot GPT Builder at copilot.microsoft.com and signing in using your Microsoft account (such as outlook.com).

Follow the setup steps included there to get started building your custom GPT. Because it is a GPT environment, you essentially need only to input the text parameters of your chatbot to begin training it. There are also instructions on how to edit the GPT, if needed. For the best results, complete the steps in the Microsoft Edge browser.

Because Copilot Pro is a paid service, it benefits from OpenAI’s latest DALL-E 3 image model, which can generate images from more elaborate text descriptions or generate from other images. It also has upgraded editing abilities. Much of the image generation for the brand’s AI subscription service takes place within the Microsoft Designer tool.

Within Copilot Pro, you can generate up to 100 images per day and have the option to create images in either landscape or square. This is a massive upgrade in comparison to the free version, which allows 15 generations per day and square images only.

A very fascinating part of Microsoft’s Copilot Pro is you can use the brand’s AI service in conjunction with other popular programs, such as the Microsoft 365 suite. The Copilot Pro chatbot and icon are integrated into all of these apps, including Word, Excel, PowerPoint, OneNote, and Outlook. Typically, you must have a separate Microsoft 365 subscription to access Microsoft Copilot Pro features in tandem with the apps of that service on PCs. However, to access the features without having to invest in a Microsoft 365 subscription, you can use Microsoft 365 apps through the web apps at no extra cost.

Creating presentations in Microsoft PowerPoint is a popular productivity option in the Microsoft 365 suite. Adding Copilot Pro makes the function as simple as typing a sentence. Once you’re in PowerPoint, you go to the Home tab to open the drop-down menu. This reveals the Copilot button in the upper-right corner. Click it to open the Copilot menu on the right side of the PowerPoint window.

Click Create a Presentation, type your prompt, and it will begin to generate the slides of your presentation. You can add a slide, ask questions prompts, and edit the text of your prompt to improve your presentation. You also have access to the Microsoft Designer tab in the drop-down menu, which gives you creative options for your slide within PowerPoint, since you can’t use prompts to make creative edits within Copilot. There is also the Copilot Labs section for generating ideas.

Excel is an extremely useful app for professionals who need to crunch numbers and simplify statistics. Copilot Pro can calculate, analyze, and present your figures and graphs in a manner that is easy to decipher. Once in Excel, you can access the Copilot button in the upper-right corner of the drop-down menu. If you are using Excel online, you may see a notice that says it only works with Excel table, but all of the AI functionalities are actually still intact.

If you have a file with some figures, you can highlight some text and Copilot Pro will give you some prompt ideas (such as show formula suggestions, highlight filter, sort data, and bold the first column) that you can select and will make up the entirety of your prompt once you’re done. These details will not only be the information but the look and feel of your results.

Select Ask for Insights and Excel will generate the tables and graphs with all of your data laid out. Select another insight or All insights for a more complete look at your information. Alternatively, you can enter a prompt in Copilot Pro with the parameters you desire.

Word is one of the most used apps in the Microsoft 365 suite and Copilot Pro introduces several automated features into the word processors. Before even launching Copilot Pro within Microsoft Pro, you can highlight blocks of text within Word and a Copilot icon will appear on the left of the text, indicating that it can be edited by the chatbot. Right-click the highlighted text with your mouse and you can select the options, rewrite with Copilot, or visualize as a table. It will do those functions in the text area without having to execute a prompt.

You can also access the Copilot button in the upper-right corner of the drop-down menu and use it whether you have a blank document or you’re working with an existing document.

You can type your prompt directly into Copilot Pro to generate whatever result you need, or you can get assistance via a host of assistant tabs and quick options, including write about, ask a question, and summarize this document. Summarize this document, for example, will roll out text in a bullet point format and pull credits from the source document that you can refer back to later. For further assistance in prompt generation, you can select more prompts and access Copilot Labs.

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• Artificial Intelligence

The AI bots are going nuts again. Microsoft Copilot -- a rebranded version of Bing Chat -- is getting stuck in some old ways by providing strange, uncanny, and sometimes downright unsettling responses. And it all has to do with emojis.

A post on the ChatGPT subreddit is currently making the rounds with a specific prompt about emojis. The post itself, as well as the hundreds of comments below, show different variations of Copilot providing unhinged responses to the prompt. I assumed they were fake -- it wouldn't be the first time we've seen similar photos -- so imagine my surprise when the prompt produced similarly unsettling responses for me.

Got your eye on a shiny new MacBook Air? We can’t blame you, they're fantastic laptops. But before you pull the trigger, you should consider holding off for a few more weeks.

At some point in March, Apple is expected to unveil a new generation of the MacBook Air, either at an event or via a press release. This forthcoming laptop will reportedly come loaded with Apple’s new M3 chip, giving the MacBook Air a notable performance boost.

There's no laptop quite like the MacBook Pro right now. No alternatives on the Windows side can match the power, efficiency, and battery life in a laptop of this size -- and that's not even mentioning the Pro's premium features and design.

There are, however, a few laptops that come close, while undercutting it significantly in price. So, if you're looking for a proper Windows alternative to the more powerful configurations of the MacBook Pro, or even just a cheaper laptop that can replicate some of what the MacBook Pro can do, here are a few solid options to consider before shelling out the cash on a MacBook Pro. HP Envy 16