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How to Write an Essay Introduction (with Examples)   

essay introduction

The introduction of an essay plays a critical role in engaging the reader and providing contextual information about the topic. It sets the stage for the rest of the essay, establishes the tone and style, and motivates the reader to continue reading. 

Table of Contents

What is an essay introduction , what to include in an essay introduction, how to create an essay structure , step-by-step process for writing an essay introduction , how to write an introduction paragraph , how to write a hook for your essay , how to include background information , how to write a thesis statement .

  • Argumentative Essay Introduction Example: 
  • Expository Essay Introduction Example 

Literary Analysis Essay Introduction Example

Check and revise – checklist for essay introduction , key takeaways , frequently asked questions .

An introduction is the opening section of an essay, paper, or other written work. It introduces the topic and provides background information, context, and an overview of what the reader can expect from the rest of the work. 1 The key is to be concise and to the point, providing enough information to engage the reader without delving into excessive detail. 

The essay introduction is crucial as it sets the tone for the entire piece and provides the reader with a roadmap of what to expect. Here are key elements to include in your essay introduction: 

  • Hook : Start with an attention-grabbing statement or question to engage the reader. This could be a surprising fact, a relevant quote, or a compelling anecdote. 
  • Background information : Provide context and background information to help the reader understand the topic. This can include historical information, definitions of key terms, or an overview of the current state of affairs related to your topic. 
  • Thesis statement : Clearly state your main argument or position on the topic. Your thesis should be concise and specific, providing a clear direction for your essay. 

Before we get into how to write an essay introduction, we need to know how it is structured. The structure of an essay is crucial for organizing your thoughts and presenting them clearly and logically. It is divided as follows: 2  

  • Introduction:  The introduction should grab the reader’s attention with a hook, provide context, and include a thesis statement that presents the main argument or purpose of the essay.  
  • Body:  The body should consist of focused paragraphs that support your thesis statement using evidence and analysis. Each paragraph should concentrate on a single central idea or argument and provide evidence, examples, or analysis to back it up.  
  • Conclusion:  The conclusion should summarize the main points and restate the thesis differently. End with a final statement that leaves a lasting impression on the reader. Avoid new information or arguments. 

how to write good background information in an essay

Here’s a step-by-step guide on how to write an essay introduction: 

  • Start with a Hook : Begin your introduction paragraph with an attention-grabbing statement, question, quote, or anecdote related to your topic. The hook should pique the reader’s interest and encourage them to continue reading. 
  • Provide Background Information : This helps the reader understand the relevance and importance of the topic. 
  • State Your Thesis Statement : The last sentence is the main argument or point of your essay. It should be clear, concise, and directly address the topic of your essay. 
  • Preview the Main Points : This gives the reader an idea of what to expect and how you will support your thesis. 
  • Keep it Concise and Clear : Avoid going into too much detail or including information not directly relevant to your topic. 
  • Revise : Revise your introduction after you’ve written the rest of your essay to ensure it aligns with your final argument. 

Here’s an example of an essay introduction paragraph about the importance of education: 

Education is often viewed as a fundamental human right and a key social and economic development driver. As Nelson Mandela once famously said, “Education is the most powerful weapon which you can use to change the world.” It is the key to unlocking a wide range of opportunities and benefits for individuals, societies, and nations. In today’s constantly evolving world, education has become even more critical. It has expanded beyond traditional classroom learning to include digital and remote learning, making education more accessible and convenient. This essay will delve into the importance of education in empowering individuals to achieve their dreams, improving societies by promoting social justice and equality, and driving economic growth by developing a skilled workforce and promoting innovation. 

This introduction paragraph example includes a hook (the quote by Nelson Mandela), provides some background information on education, and states the thesis statement (the importance of education). 

This is one of the key steps in how to write an essay introduction. Crafting a compelling hook is vital because it sets the tone for your entire essay and determines whether your readers will stay interested. A good hook draws the reader in and sets the stage for the rest of your essay.  

  • Avoid Dry Fact : Instead of simply stating a bland fact, try to make it engaging and relevant to your topic. For example, if you’re writing about the benefits of exercise, you could start with a startling statistic like, “Did you know that regular exercise can increase your lifespan by up to seven years?” 
  • Avoid Using a Dictionary Definition : While definitions can be informative, they’re not always the most captivating way to start an essay. Instead, try to use a quote, anecdote, or provocative question to pique the reader’s interest. For instance, if you’re writing about freedom, you could begin with a quote from a famous freedom fighter or philosopher. 
  • Do Not Just State a Fact That the Reader Already Knows : This ties back to the first point—your hook should surprise or intrigue the reader. For Here’s an introduction paragraph example, if you’re writing about climate change, you could start with a thought-provoking statement like, “Despite overwhelming evidence, many people still refuse to believe in the reality of climate change.” 

Including background information in the introduction section of your essay is important to provide context and establish the relevance of your topic. When writing the background information, you can follow these steps: 

  • Start with a General Statement:  Begin with a general statement about the topic and gradually narrow it down to your specific focus. For example, when discussing the impact of social media, you can begin by making a broad statement about social media and its widespread use in today’s society, as follows: “Social media has become an integral part of modern life, with billions of users worldwide.” 
  • Define Key Terms : Define any key terms or concepts that may be unfamiliar to your readers but are essential for understanding your argument. 
  • Provide Relevant Statistics:  Use statistics or facts to highlight the significance of the issue you’re discussing. For instance, “According to a report by Statista, the number of social media users is expected to reach 4.41 billion by 2025.” 
  • Discuss the Evolution:  Mention previous research or studies that have been conducted on the topic, especially those that are relevant to your argument. Mention key milestones or developments that have shaped its current impact. You can also outline some of the major effects of social media. For example, you can briefly describe how social media has evolved, including positives such as increased connectivity and issues like cyberbullying and privacy concerns. 
  • Transition to Your Thesis:  Use the background information to lead into your thesis statement, which should clearly state the main argument or purpose of your essay. For example, “Given its pervasive influence, it is crucial to examine the impact of social media on mental health.” 

how to write good background information in an essay

A thesis statement is a concise summary of the main point or claim of an essay, research paper, or other type of academic writing. It appears near the end of the introduction. Here’s how to write a thesis statement: 

  • Identify the topic:  Start by identifying the topic of your essay. For example, if your essay is about the importance of exercise for overall health, your topic is “exercise.” 
  • State your position:  Next, state your position or claim about the topic. This is the main argument or point you want to make. For example, if you believe that regular exercise is crucial for maintaining good health, your position could be: “Regular exercise is essential for maintaining good health.” 
  • Support your position:  Provide a brief overview of the reasons or evidence that support your position. These will be the main points of your essay. For example, if you’re writing an essay about the importance of exercise, you could mention the physical health benefits, mental health benefits, and the role of exercise in disease prevention. 
  • Make it specific:  Ensure your thesis statement clearly states what you will discuss in your essay. For example, instead of saying, “Exercise is good for you,” you could say, “Regular exercise, including cardiovascular and strength training, can improve overall health and reduce the risk of chronic diseases.” 

Examples of essay introduction 

Here are examples of essay introductions for different types of essays: 

Argumentative Essay Introduction Example:  

Topic: Should the voting age be lowered to 16? 

“The question of whether the voting age should be lowered to 16 has sparked nationwide debate. While some argue that 16-year-olds lack the requisite maturity and knowledge to make informed decisions, others argue that doing so would imbue young people with agency and give them a voice in shaping their future.” 

Expository Essay Introduction Example  

Topic: The benefits of regular exercise 

“In today’s fast-paced world, the importance of regular exercise cannot be overstated. From improving physical health to boosting mental well-being, the benefits of exercise are numerous and far-reaching. This essay will examine the various advantages of regular exercise and provide tips on incorporating it into your daily routine.” 

Text: “To Kill a Mockingbird” by Harper Lee 

“Harper Lee’s novel, ‘To Kill a Mockingbird,’ is a timeless classic that explores themes of racism, injustice, and morality in the American South. Through the eyes of young Scout Finch, the reader is taken on a journey that challenges societal norms and forces characters to confront their prejudices. This essay will analyze the novel’s use of symbolism, character development, and narrative structure to uncover its deeper meaning and relevance to contemporary society.” 

  • Engaging and Relevant First Sentence : The opening sentence captures the reader’s attention and relates directly to the topic. 
  • Background Information : Enough background information is introduced to provide context for the thesis statement. 
  • Definition of Important Terms : Key terms or concepts that might be unfamiliar to the audience or are central to the argument are defined. 
  • Clear Thesis Statement : The thesis statement presents the main point or argument of the essay. 
  • Relevance to Main Body : Everything in the introduction directly relates to and sets up the discussion in the main body of the essay. 

how to write good background information in an essay

Writing a strong introduction is crucial for setting the tone and context of your essay. Here are the key takeaways for how to write essay introduction: 3  

  • Hook the Reader : Start with an engaging hook to grab the reader’s attention. This could be a compelling question, a surprising fact, a relevant quote, or an anecdote. 
  • Provide Background : Give a brief overview of the topic, setting the context and stage for the discussion. 
  • Thesis Statement : State your thesis, which is the main argument or point of your essay. It should be concise, clear, and specific. 
  • Preview the Structure : Outline the main points or arguments to help the reader understand the organization of your essay. 
  • Keep it Concise : Avoid including unnecessary details or information not directly related to your thesis. 
  • Revise and Edit : Revise your introduction to ensure clarity, coherence, and relevance. Check for grammar and spelling errors. 
  • Seek Feedback : Get feedback from peers or instructors to improve your introduction further. 

The purpose of an essay introduction is to give an overview of the topic, context, and main ideas of the essay. It is meant to engage the reader, establish the tone for the rest of the essay, and introduce the thesis statement or central argument.  

An essay introduction typically ranges from 5-10% of the total word count. For example, in a 1,000-word essay, the introduction would be roughly 50-100 words. However, the length can vary depending on the complexity of the topic and the overall length of the essay.

An essay introduction is critical in engaging the reader and providing contextual information about the topic. To ensure its effectiveness, consider incorporating these key elements: a compelling hook, background information, a clear thesis statement, an outline of the essay’s scope, a smooth transition to the body, and optional signposting sentences.  

The process of writing an essay introduction is not necessarily straightforward, but there are several strategies that can be employed to achieve this end. When experiencing difficulty initiating the process, consider the following techniques: begin with an anecdote, a quotation, an image, a question, or a startling fact to pique the reader’s interest. It may also be helpful to consider the five W’s of journalism: who, what, when, where, why, and how.   For instance, an anecdotal opening could be structured as follows: “As I ascended the stage, momentarily blinded by the intense lights, I could sense the weight of a hundred eyes upon me, anticipating my next move. The topic of discussion was climate change, a subject I was passionate about, and it was my first public speaking event. Little did I know , that pivotal moment would not only alter my perspective but also chart my life’s course.” 

Crafting a compelling thesis statement for your introduction paragraph is crucial to grab your reader’s attention. To achieve this, avoid using overused phrases such as “In this paper, I will write about” or “I will focus on” as they lack originality. Instead, strive to engage your reader by substantiating your stance or proposition with a “so what” clause. While writing your thesis statement, aim to be precise, succinct, and clear in conveying your main argument.  

To create an effective essay introduction, ensure it is clear, engaging, relevant, and contains a concise thesis statement. It should transition smoothly into the essay and be long enough to cover necessary points but not become overwhelming. Seek feedback from peers or instructors to assess its effectiveness. 

References  

  • Cui, L. (2022). Unit 6 Essay Introduction.  Building Academic Writing Skills . 
  • West, H., Malcolm, G., Keywood, S., & Hill, J. (2019). Writing a successful essay.  Journal of Geography in Higher Education ,  43 (4), 609-617. 
  • Beavers, M. E., Thoune, D. L., & McBeth, M. (2023). Bibliographic Essay: Reading, Researching, Teaching, and Writing with Hooks: A Queer Literacy Sponsorship. College English, 85(3), 230-242. 

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Background information identifies and describes the history and nature of a well-defined research problem with reference to contextualizing existing literature. The background information should indicate the root of the problem being studied, appropriate context of the problem in relation to theory, research, and/or practice , its scope, and the extent to which previous studies have successfully investigated the problem, noting, in particular, where gaps exist that your study attempts to address. Background information does not replace the literature review section of a research paper; it is intended to place the research problem within a specific context and an established plan for its solution.

Fitterling, Lori. Researching and Writing an Effective Background Section of a Research Paper. Kansas City University of Medicine & Biosciences; Creating a Research Paper: How to Write the Background to a Study. DurousseauElectricalInstitute.com; Background Information: Definition of Background Information. Literary Devices Definition and Examples of Literary Terms.

Importance of Having Enough Background Information

Background information expands upon the key points stated in the beginning of your introduction but is not intended to be the main focus of the paper. It generally supports the question, what is the most important information the reader needs to understand before continuing to read the paper? Sufficient background information helps the reader determine if you have a basic understanding of the research problem being investigated and promotes confidence in the overall quality of your analysis and findings. This information provides the reader with the essential context needed to conceptualize the research problem and its significance before moving on to a more thorough analysis of prior research.

Forms of contextualization included in background information can include describing one or more of the following:

  • Cultural -- placed within the learned behavior of a specific group or groups of people.
  • Economic -- of or relating to systems of production and management of material wealth and/or business activities.
  • Gender -- located within the behavioral, cultural, or psychological traits typically associated with being self-identified as male, female, or other form of  gender expression.
  • Historical -- the time in which something takes place or was created and how the condition of time influences how you interpret it.
  • Interdisciplinary -- explanation of theories, concepts, ideas, or methodologies borrowed from other disciplines applied to the research problem rooted in a discipline other than the discipline where your paper resides.
  • Philosophical -- clarification of the essential nature of being or of phenomena as it relates to the research problem.
  • Physical/Spatial -- reflects the meaning of space around something and how that influences how it is understood.
  • Political -- concerns the environment in which something is produced indicating it's public purpose or agenda.
  • Social -- the environment of people that surrounds something's creation or intended audience, reflecting how the people associated with something use and interpret it.
  • Temporal -- reflects issues or events of, relating to, or limited by time. Concerns past, present, or future contextualization and not just a historical past.

Background information can also include summaries of important research studies . This can be a particularly important element of providing background information if an innovative or groundbreaking study about the research problem laid a foundation for further research or there was a key study that is essential to understanding your arguments. The priority is to summarize for the reader what is known about the research problem before you conduct the analysis of prior research. This is accomplished with a general summary of the foundational research literature [with citations] that document findings that inform your study's overall aims and objectives.

NOTE : Research studies cited as part of the background information of your introduction should not include very specific, lengthy explanations. This should be discussed in greater detail in your literature review section. If you find a study requiring lengthy explanation, consider moving it to the literature review section.

ANOTHER NOTE : In some cases, your paper's introduction only needs to introduce the research problem, explain its significance, and then describe a road map for how you are going to address the problem; the background information basically forms the introduction part of your literature review. That said, while providing background information is not required, including it in the introduction is a way to highlight important contextual information that could otherwise be hidden or overlooked by the reader if placed in the literature review section.

Background of the Problem Section: What do you Need to Consider? Anonymous. Harvard University; Hopkins, Will G. How to Write a Research Paper. SPORTSCIENCE, Perspectives/Research Resources. Department of Physiology and School of Physical Education, University of Otago, 1999; Green, L. H. How to Write the Background/Introduction Section. Physics 499 Powerpoint slides. University of Illinois; Pyrczak, Fred. Writing Empirical Research Reports: A Basic Guide for Students of the Social and Behavioral Sciences . 8th edition. Glendale, CA: Pyrczak Publishing, 2014; Stevens, Kathleen C. “Can We Improve Reading by Teaching Background Information?.” Journal of Reading 25 (January 1982): 326-329; Woodall, W. Gill. Writing the Background and Significance Section. Senior Research Scientist and Professor of Communication. Center on Alcoholism, Substance Abuse, and Addictions. University of New Mexico.

Structure and Writing Style

Providing background information in the introduction of a research paper serves as a bridge that links the reader to the research problem . Precisely how long and in-depth this bridge should be is largely dependent upon how much information you think the reader will need to know in order to fully understand the problem being discussed and to appreciate why the issues you are investigating are important.

From another perspective, the length and detail of background information also depends on the degree to which you need to demonstrate to your professor how much you understand the research problem. Keep this in mind because providing pertinent background information can be an effective way to demonstrate that you have a clear grasp of key issues, debates, and concepts related to your overall study.

The structure and writing style of your background information can vary depending upon the complexity of your research and/or the nature of the assignment. However, in most cases it should be limited to only one to two paragraphs in your introduction.

Given this, here are some questions to consider while writing this part of your introduction :

  • Are there concepts, terms, theories, or ideas that may be unfamiliar to the reader and, thus, require additional explanation?
  • Are there historical elements that need to be explored in order to provide needed context, to highlight specific people, issues, or events, or to lay a foundation for understanding the emergence of a current issue or event?
  • Are there theories, concepts, or ideas borrowed from other disciplines or academic traditions that may be unfamiliar to the reader and therefore require further explanation?
  • Is there a key study or small set of studies that set the stage for understanding the topic and frames why it is important to conduct further research on the topic?
  • Y our study uses a method of analysis never applied before;
  • Your study investigates a very esoteric or complex research problem;
  • Your study introduces new or unique variables that need to be taken into account ; or,
  • Your study relies upon analyzing unique texts or documents, such as, archival materials or primary documents like diaries or personal letters that do not represent the established body of source literature on the topic?

Almost all introductions to a research problem require some contextualizing, but the scope and breadth of background information varies depending on your assumption about the reader's level of prior knowledge . However, despite this assessment, background information should be brief and succinct and sets the stage for the elaboration of critical points or in-depth discussion of key issues in the literature review section of your paper.

Writing Tip

Background Information vs. the Literature Review

Incorporating background information into the introduction is intended to provide the reader with critical information about the topic being studied, such as, highlighting and expanding upon foundational studies conducted in the past, describing important historical events that inform why and in what ways the research problem exists, defining key components of your study [concepts, people, places, phenomena] and/or placing the research problem within a particular context. Although introductory background information can often blend into the literature review portion of the paper, essential background information should not be considered a substitute for a comprehensive review and synthesis of relevant research literature.

Hart, Cris. Doing a Literature Review: Releasing the Social Science Research Imagination . Thousand Oaks, CA: Sage, 1998; Pyrczak, Fred. Writing Empirical Research Reports: A Basic Guide for Students of the Social and Behavioral Sciences . 8th edition. Glendale, CA: Pyrczak Publishing, 2014.

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How can I write background information effectively?

how to write good background information in an essay

This is the third and final chapter about Background Information . To complete this reader, read each chapter carefully and then unlock and complete our materials to check your understanding.   

– Consider what makes for effectively written introductory background information

– Provide five pieces of advice for effective writing

– Use an example paragraph to demonstrate background-information mistakes

Chapter 1: What is introductory background information?

Chapter 2: Which background elements are important?

Chapter 3: How can I write background information effectively?

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This third and final chapter about writing background information for the introductory paragraph of an academic essay focuses on the general tips and advice that (if followed carefully) should lead to more effective writing, which we’ve organised into five key areas. Once you’ve read and understood these five pieces of advice, you may wish to then unlock our beginner-, intermediate- and advanced-level worksheets to check your understanding of this topic.

1. Consider the Elements

As was described in some detail in Chapter 2, there are four key elements which may be included as introductory background information , which are (a) introducing the topic, (b) providing a hook, (c) defining key terms, and (d) highlighting topic importance. An effective writer should know when to vary both the length and inclusion of these elements depending upon the topic of their essay . If, for example, the subject matter of your essay lacks subject-specific vocabulary , then perhaps you shouldn’t worry about defining any terminology. Likewise, should your essay focus be on something important or significant – such as global warming or achieving world peace, then remember to detail this significance clearly for your reader.

2. Include Key Sources

One aspect of writing background information that students often neglect is the inclusion of key sources . First remember that sources should almost always be included in introductory background information, particularly when providing key statistics, definitions or theoretical concepts. Remind yourself here that referencing is intended to not only provide acknowledgement to the sources used and to avoid plagiarism , but to also assist the reader in locating those sources more easily.

Another consideration when citing sources during the introduction is to make sure that the key research for that specific topic has been included. Which authors and sources conducted the initial investigations about that topic, for example? And if you’re evaluating a theory, then which sources posited that theory first, and which later sources further developed those concepts? As is shown below, it may also be worth including a key multiple-source citation within your introduction:

Background Information 3.1 Multiple-Source Citation

3. Be Concise but Comprehensive

The third piece of advice about writing effective background information reminds the writer to be concise but also comprehensive. It’s not easy to find the right balance between including as few words as possible while still making sure that all the information necessary to sufficiently contextualise your essay has also been provided. One way of achieving this might be to first include all of the key information that your introduction requires without concerning yourself with aspects of concision. Once written, a writer is then able to carefully edit their work, rewriting any phrases or sentences that are able to carry the same meaning but in fewer words. Ultimately, by remembering the concept that academic writing requires the clear and concise conveyance of a writer’s ideas and arguments , you should be on the right path to academic success. 

4. Be Specific but Relevant

Two additional and important aspects of academic writing are specificity and relevance. It’s no secret that to write effectively, you should try to avoid having vague language throughout your essay – particularly in the introduction . The more specific a writer can be without providing unnecessary detail, the clearer and less ambiguous their writing will appear and therefore the more convincing their argument will likely be.

At the same time as being specific, a writer should try to be ruthless and critical in whether or not their background information is strictly relevant to their essay question and thesis statement . Ultimately, if such information lacks relevance, then those details should be deleted without question or repurposed elsewhere. Beyond a sentence or two to set the context, one good rule here is to avoid mentioning anything in your background that isn’t then further explored in the body section of your essay . Remember that most persuasive essays do not have the word count available for providing description within the body paragraphs, and so any concept that requires explanation should be briefly introduced and explained in the introductory background information first. 

5. Edit Carefully

Finally, as with all aspects of essay writing and academic assessments in general, an effective writer should always remember to edit and proofread their work carefully. Although even experienced writers make occasional typos and produce minor errors, non-native speakers of English also often make mistakes with other aspects of the language – such as word forms or subject-verb agreement . With this in mind, try to make sure that you, and perhaps also a peer, look carefully over your writing before the final submission deadline.

To highlight more clearly to you what might happen if the five tips we’ve outlined above are not followed, we’ve provided below a modified version of our Chapter 1 background information . This modified example demonstrates ineffective background that lacks sources , concision , specificity, relevance and careful editing :

Foreign Aid is Effective in the African Continent. Discuss.

The question of whether a country should provide assistance to a nation is not a contemporary one. 1 In fact, recent evidence suggests that cultures as ancient as the Egyptians may have been at war with their foreign neighbours on a yearly basis (Smith, 2016). 2 Something that may be taken as being somewhat ironic is that the majority of countries and nations that now depend upon foreign AID and investment exist firmly within the many countries that make up the African continent. 3 AID, or Assisting to International Developing, is however an relatively recent conceptual, with $1.7 trillions now spent annually on providing international support for little affluence countrys. 4 Many researchers have claimed that as much as 65% of this has failed to achieve its intended purpose. 5 With poverty levels increased year up to year, the questions off whether Africa has a promising future is an importance one.

Background Information 3.2 Example Problems

To reference this reader:

Academic Marker (2022) Background Information . Available at: https://academicmarker.com/essay-writing/introductory-paragraphs/background-information/ (Accessed: Date Month Year).

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Your chance of acceptance, your chancing factors, extracurriculars, background information essay examples: what to include.

I'm working on a background information essay for my college application, but I'm struggling with what kind of information I should be including. Does anyone have any suggestions or examples of what would make a compelling essay? Thanks!

Hi there! Writing about your background in a college essay can be a great opportunity to showcase your unique experiences and perspectives. The key is to make sure your essay is both engaging and meaningful. Here are some suggestions on what to include in your background information essay:

1. Significant life events or challenges: Discuss events that shaped your values, outlook on life, or personal development. This could be a childhood memory, a family tradition, or a personal challenge you've overcome.

2. Your passions and interests: Show your genuine interests and how they have influenced you. Explain why these activities matter to you and how you plan to continue pursuing them in college.

3. Cultural identity: Share your cultural background and the impact it has had on your experiences, beliefs, and decisions.

4. A unique quality, talent, or perspective: Highlight any special skills or unique perspectives that set you apart from other students.

When writing your essay, remember to keep the focus on how these elements have shaped you as a person and why they're significant to your college application. Your storytelling and reflections should provide valuable insights to help the admissions committee understand who you are beyond your academic achievements. Good luck!

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Humanities LibreTexts

11.5: Background Information (or Helping Your Reader Find a Context)

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  • Steven D. Krause
  • Eastern Michigan University

It is always important to explain, contextualize, and orientate your readers within any piece of writing. Your research essay is no different in that you need to include background information on your topic in order to create the right context for the project.

In one sense, you’re giving your reader important background information every time you fully introduce and explain a piece of evidence or an argument you are making. But often times, research essays include some background information about the overall topic near the beginning of the essay. Sometimes, this is done briefly as part of the introduction section of the essay; at other times, this is best accomplished with a more detailed section after the introduction and near the beginning of the essay.

How much background information you need to provide and how much context you need to establish depends a great deal on how you answer the “Getting Ready” questions at the beginning of this chapter, particularly the questions in which you are asked to consider you purpose and your audience. If one of the purposes of your essay is to convince a primary audience of readers who know little about your topic or your argument, you will have to provide more background information than you would if the main purpose of your essay was to convince a primary audience that knows a lot about your topic. But even if you can assume your audience is as familiar with the topic of your essay as you, it’s still important to provide at least some background on your specific approach to the issue in your essay.

It’s almost always better to give your readers “too much” background information than “too little.” In my experience, students too often assume too much about what their readers (the teacher included!) knows about their research essay. There are several reasons why this is the case; perhaps it is because students so involved in their research forget that their readers haven’t been doing the same kind of research. The result is that sometimes students “cut corners” in terms of helping their audience through their essay. I think that the best way to avoid these kinds of misunderstandings is for you to always remember that your readers don’t know as much about your specific essay as you do, and part of your job as a writer is to guide your reader through the text.

In Casey Copeman’s research essay at the end of this chapter, the context and background information for the subject matter after the introduction; for example:

Example \(\PageIndex{1}\):

The problems surrounding corruption in university athletics have been around ever since sports have been considered important in American culture. People have emphasized the importance of sports and the significance of winning for a long time. According to Jerome Cramer in a special report published in Phi Delta Kappan, "Sports are a powerful experience, and America somehow took this belief of the ennobling nature of sports and transformed it into a quasi-religion" (Cramer K1).

Casey’s subject matter, college athletics, was one that she assumed most of her primary audience of fellow college students and classmates were familiar with. Nonetheless, she does provide some basic information about the importance of sports team in society and in universities in particular.

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What is a Background in an Essay: Introducing Information

What is a Background in an Essay: Introducing Information

Writing A Background in an Essay

Writing A Background in an Essay

Background in an essay refers to material provided in a nonfiction essay or work that explains the context of the issue you will explore in the essay.

This information is connected to the hook or opening statement, and then to the thesis statement, which you will write last at the end of the introduction.

how to write good background information in an essay

What is Background Information in an Essay

The background information is the supporting points you employ to demonstrate your argument or viewpoint. It is the grounds on which you base your point of view to prove your argument. background information is found in the introduction, just after the opening statement or the hook.

essay introduction

The amount and type of background material depend on the goal and topic of your essay.

You may need to provide definitions or an overview of the problem you discuss in the essay.

The background information in an essay will depend on the topic.

The background information in an essay on a scientific test may include test parameters, test objectives, test site conditions, sample kinds, sample size, and other background material.

If your essay is about COVID 19, your background information may touch on diverse points. These may include what kind of virus it is, its origins, and how many countries it has affected.

It may also include how many people have contracted it, and how it is transmitted from one person to another, among other things.

How to Write Background Information in an Essay                          

The key to writing background information in an essay is to master the art of the introduction. Grabbing the reader’s attention at the beginning allows you to include the information they need to comprehend your work.

The first paragraph/section of an essay is the introduction, and it is critical to creating an excellent paper. The introduction helps you begin the essay by grabbing the reader’s attention.

Then, you provide background information plus map out the core topic, direction, and objective of your essay.

Usually, an excellent introduction starts with a discussion around the essay’s topic. After that, you move on to the specific ideas you will explore in the body.

How do you write the introduction and include background information in an essay?

Example of essay background

Use an effective hook to make a solid first impression. This piques the curiosity and attention of readers, encouraging them to keep reading.

Provide background information about the main topic of the essay. It establishes a general framework for the paper by providing readers with the information they require before reading it.

It should start with broad concepts and then narrow down to the thesis (a single-focused idea).

Conclude with a concise thesis statement that indicates your motivation for writing, expresses the main idea/argument, and gives the body of the work a direction or outline.

The hook is the tool that captures attention and makes the readers want to keep reading. You can shape it as a question, an interesting fact or statistic, a quotation, or a story.

You can also use any other intriguing idea that piques readers’ curiosity and encourages them to continue reading.

Regardless of which option you choose, ensure the hook links to the essay’s topic in some way.

The background information sets the stage for the essay by offering a high-level summary of the topic. It introduces the broad topic(s) and eases the reader into the subject with general information.

Also, it may comprise concepts, facts, history, definitions, and other material that helps comprehend the specific information offered in the body.

It is critical to understand your audience and evaluate what readers may or may not know about the topic to provide relevant background information.

Besides, it enables you to offer readers the information they require before continuing to read the essay. So, presenting background information in the introduction acts as a link that connects the reader to the issue.

The length and depth of this bridge depend on how much information you believe the reader will need to comprehend the topic and realize why the difficulties you are looking at are essential.

Your thesis statement highlights the key idea or main argument and your motivation for writing the essay. You can also use it to outline the supporting ideas you explore in the body. It is usually the final sentence of the introduction.

Examples of Background Information in an Essay

1.”gettysburg address” abraham lincoln.

The hook in Abraham Lincoln’s “Gettysburg Address” was that the founding fathers believed that all men are created equal. Then he gave some background on the current state of the Civil War:

Gettysburg address

Now we are in the midst of a major civil war, which will determine whether that nation or any other nation so conceived and dedicated, can last for a long time.

And we have met on one of the war’s most important battlegrounds.

We’ve decided to devote a piece of the field as the last resting place for those who gave their life here so that this country could live. It is entirely appropriate for us to do so.

2. “Goodbye to All That” by Joan Didion

Notice how the introduction hooks your attention and then swiftly offers you some background information about Joan Didion’s life in this personal essay by Joan Didion:

The origins of things are easy to perceive, but the endings are more difficult to see. I can pinpoint when New York began for me now, with a clarity that makes the hairs on the back of my neck stand on end.

But I can’t pinpoint when it ended or cut through the ambiguities and second starts and broken resolves to the precise point on the page where the heroine is no longer as optimistic as she once was.

I was twenty when I first saw New York. It was summer, and I got off a DC-7 at the old Idlewild temporary terminal in a new dress.

It had seemed very smart in Sacramento but had already seemed less smart, even in the old Idle wild temporary terminal.

The warm air smelled of mildew, and some instinct, programmed by all the movies I’d ever seen and all the songs I’d ever heard sung and all the stories I’d ever read about New York.

Josh Jasen

When not handling complex essays and academic writing tasks, Josh is busy advising students on how to pass assignments. In spare time, he loves playing football or walking with his dog around the park.

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Organizing Academic Research Papers: Background Information

  • Purpose of Guide
  • Design Flaws to Avoid
  • Glossary of Research Terms
  • Narrowing a Topic Idea
  • Broadening a Topic Idea
  • Extending the Timeliness of a Topic Idea
  • Academic Writing Style
  • Choosing a Title
  • Making an Outline
  • Paragraph Development
  • Executive Summary
  • Background Information
  • The Research Problem/Question
  • Theoretical Framework
  • Citation Tracking
  • Content Alert Services
  • Evaluating Sources
  • Primary Sources
  • Secondary Sources
  • Tertiary Sources
  • What Is Scholarly vs. Popular?
  • Qualitative Methods
  • Quantitative Methods
  • Using Non-Textual Elements
  • Limitations of the Study
  • Common Grammar Mistakes
  • Avoiding Plagiarism
  • Footnotes or Endnotes?
  • Further Readings
  • Annotated Bibliography
  • Dealing with Nervousness
  • Using Visual Aids
  • Grading Someone Else's Paper
  • How to Manage Group Projects
  • Multiple Book Review Essay
  • Reviewing Collected Essays
  • About Informed Consent
  • Writing Field Notes
  • Writing a Policy Memo
  • Writing a Research Proposal
  • Acknowledgements

Background information identifies and describes the history and nature of a well-defined research problem with reference to the existing literature. Background information in your Introduction should indicate the root of the problem being studied, its scope, and the extent to which previous studies have successfully investigated the problem, noting, in particular, where gaps exist that your study attempts to address.  Introductory background information differs from a literature review in that it places the research problem in proper context rather than thoroughly examining pertinent literature.

Importance of Having Enough Background Information

Background information expands upon the key points stated in your introduction but is not the main focus of the paper. Sufficient background information helps your reader determine if you have a basic understanding of the research problem being investigated and promotes confidence in the overall quality of your analysis and findings.

Background information provides the reader with the essential context needed to understand the research problem . Depending on the topic being studied, forms of contextualization may include:

  • Cultural -- the issue placed within the learned behavior of specific groups of people.
  • Economic -- of or relating to systems of production and management of material wealth and/or business activities.
  • Historical -- the time in which something takes place or was created and how that influences how you interpret it.
  • Philosophical -- clarification of the essential nature of being or of phenomena as it relates to the research problem.
  • Physical/Spatial -- reflects the space around something and how that influences how you see it.
  • Political -- concerns the environment in which something is produced indicating it's public purpose or agenda.
  • Social -- the environment of people that surrounds something's creation or intended audience, reflecting how the people around something use and interpret it.
  • Temporal -- reflects issues or events of, relating to, or limited by time.

Background information can also include summaries of important, relevant research studies . The key is to summarize for the reader what is known about the specific research problem before you conducted your analysis. This is accomplished with a general review of the foundational research literature (with citations) that report findings that inform your study's aims and objectives.

NOTE : Research studies cited as part of the background information of your introduction should not include very specific, lengthy explanations. This should be discussed in greater detail in your literature review section.

Background of the Problem Section: What do you Need to Consider? Anonymous. Harvard University; Hopkins, Will G. How to Write a Research Paper . SPORTSCIENCE, Perspectives/Research Resources. Department of Physiology and School of Physical Education, University of Otago, 1999; Green, L. H. How to Write the Background/Introduction Section. Physics 499 Powerpoint slides. University of Illinois; Woodall, W. Gill. Writing the Background and Significance Section. Senior Research Scientist and Professor of Communication. Center on Alcoholism, Substance Abuse, and Addictions. University of New Mexico.  

Structure and Writing Style

Providing background information in the Introduction of a research paper serves as a bridge that links the reader to the topic of your study . But precisely how long and in-depth this bridge should be is largely dependent upon how much information you think the reader will need in order to understand the research problem being discussed and to appreciate why the issues you are investigating are important.

From another perspective, the length and detail of background information also depends on the degree to which you need to demonstrate to your professor how much you understand the topic. Keep this in mind because providing succinct background information can be an effective way to show that you have a clear grasp of key issues and concepts underpinning your overall study. Don't try to show off, though!

Given that the structure and writing style of your background information can vary depending upon the complexity of your research and/or the nature of the assignment, here are some questions to consider while writing :

  • Are there concepts, terms, theories, or ideas that may be unfamiliar to the reader and, thus, require additional explanation?
  • Are there historical elements that need to be explored in order to add needed context, to highlight specific people, issues, or events, or to lay a foundation for understanding the emergence of a current issue or event?
  • Is the research study unusual in some way that requires additional explanation, such as, a) your study uses a method never applied before to the research problem you are investigating; b) your study investigates a very esoteric or complex research problem; or, c) your study relies upon analyzing unique texts or documents, such as archival materials or primary documents like diaries or personal letters, that do not represent the established body of source literature on the topic.

Background of the Problem Section: What do you Need to Consider? Anonymous. Harvard University; Hopkins, Will G. How to Write a Research Paper . SPORTSCIENCE, Perspectives/Research Resources. Department of Physiology and School of Physical Education, University of Otago, 1999; Green, L. H. How to Write the Background/Introduction Section. Physics 499 Powerpoint slides. University of Illinois; Woodall, W. Gill. Writing the Background and Significance Section. Senior Research Scientist and Professor of Communication. Center on Alcoholism, Substance Abuse, and Addictions. University of New Mexico.

Writing Tip

Background Information vs. the Literature Review

Incorporating background information into the Introduction is intended to provide the reader with critical information about the topic being studied, such as highlighting and expanding upon foundational studies conducted in the past, important historical events that inform why and in what ways the research problem exists, or defining key components of your study [concepts, people, places, things]. Although in social sciences research introductory background information can often blend into the literature review portion of the paper, basic background information should not be considered a substitute for a comprehensive review and synthesis of relevant research literature.

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Background Information

Definition of background information.

As the name suggests, background information means all information that a reader requires to increase his awareness of the topic an essay is going to explain. Background information is placed shortly after the hook or attention grabber. Both are intertwined, as the hook cannot be separated from the background information.

Both are connected with a transition word. Usually, in a five-paragraph essay, background information comprises three to five sentences . However, in a longer essay, it could be more than 10 sentences or even a full paragraph. Generally it needs to be as long as necessary to inform readers on the topic. There are as many types of background information as there are types of essay , some of which are as follows:

Types of Background Information

  • Description Type Description type of background information often describes the topic through sensory description involving all five senses: sense of touch, sense of smell, sense of sight, sense of hearing, and sense of taste. Words are used to make the reader experience any of these or all.
  • Process Type In a process type of background information, a writer provides an introduction to the topic, telling readers what process will be used to achieve a goal, or complete a task.
  • Definition Type In a definition type of background information, readers become aware of the definition of the topic, as well as how it differs from other such similar terms and words.
  • Classification / Division Type In a classification / division type of background information, readers are informed about the topic, how it is classified and divided, and what further derivations it could have. These are further explained in body paragraphs .
  • Argumentative Type In an argumentative type of background information, readers are informed about the topic, the arguments being made in support of the question about the topic ,and opposing arguments.
  • Persuasive Type A persuasive type of background information attempts to persuade the reader, by giving information about a question.

Examples of Background Information in Literature

Example #1:  politics and english language (by george orwell).

“ Now , it is clear that the decline of a language must ultimately have political and economic causes: it is not due simply to the bad influence of this or that individual writer. But an effect can become a cause, reinforcing the original cause and producing the same effect in an intensified form, and so on indefinitely. A man may take to drink because he feels himself to be a failure, and then fail all the more completely because he drinks. It is rather the same thing that is happening to the English language.”

This is the second paragraph of an essay by George Orwell . It clearly tells how English language has faced decline in its standard due to certain causes. It is a good background to the topic of the essay “Politics and English Language.”

Example #2: I Twitter, Therefore I am (by Peggy Orenstein)

“I came late to Twitter. I might have skipped the phenomenon altogether, but I have a book coming out this winter , and publishers, scrambling to promote 360,000- character tomes in a 140-character world, push authors to rally their “tweeps” to the cause. Leaving aside the question of whether that actually boosts sales, I felt pressure to produce. I quickly mastered the Twitterati’s unnatural self-consciousness: processing my experience instantaneously, packaging life as I lived it.”

This is the background information of a beautiful essay by Peggy Orenstein, which she wrote for The New York Times . This background information shows that she cannot stop tweeting, as it has become her second nature.

Example #3: Is Google Making Us Stupid (by Nicholas Carr)

“For me, as for others, the Net is becoming a universal medium, the conduit for most of the information that flows through my eyes and ears and into my mind. The advantages of having immediate access to such an incredibly rich store of information are many, and they’ve been widely described and duly applauded.”

These are just a few lines of background information in the essay of Nicholas Carr. These lines clearly show that the essay is about the Internet. As the essay is quite long, background information comprises an entire paragraph.

Function of Background Information

Background information serves the purpose of making readers aware of what is going to be discussed in the essay. It makes readers conscious of the pros and cons of the topic, and readies them to explore it further. It also presents a good assessment of what is to come. In a way, it enables readers to predict what is to come next, and how it is to be presented.

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Topic Guide - Developing Your Research Study

  • Purpose of Guide
  • Flaws to Avoid
  • Independent and Dependent Variables
  • Glossary of Research Terms
  • Reading Research Effectively
  • Narrowing a Topic Idea
  • Broadening a Topic Idea
  • Extending the Timeliness of a Topic Idea
  • Academic Writing Style
  • Choosing a Title
  • Making an Outline
  • Paragraph Development
  • APA 7th Edition
  • Executive Summary
  • The C.A.R.S. Model
  • Background Information

Importance of Having Enough Background Information

Structure and writing style, writing tip.

  • The Research Problem/Question
  • Theoretical Framework
  • Citation Tracking
  • Content Alert Services
  • Evaluating Sources
  • Primary Sources
  • Secondary Sources
  • Tiertiary Sources
  • What Is Scholarly vs. Popular?
  • Qualitative Methods
  • Quantitative Methods
  • Using Non-Textual Elements
  • Limitations of the Study
  • 10. Proofreading Your Paper
  • Writing Concisely
  • Common Grammar Mistakes
  • Avoiding Plagiarism
  • Footnotes or Endnotes?
  • Further Readings
  • Annotated Bibliography
  • Types of Structured Group Activities
  • Group Project Survival Skills
  • Multiple Book Review Essay
  • Reviewing Collected Works
  • Writing a Case Study
  • Writing a Research Proposal
  • Bibliography

Background information identifies and describes the history and nature of a well-defined research problem with reference to the existing literature. The background information should indicate the root of the problem being studied, appropriate context of the problem in relation to theory, research, and/or practice , its scope, and the extent to which previous studies have successfully investigated the problem, noting, in particular, where gaps exist that your study attempts to address. Background information does not replace the literature review section of a research paper; it is intended to place the research problem in a proper context.

Background information expands upon the key points stated in the beginning of your introduction but is not intended to be the main focus of the paper. It generally supports the question, what did we know about this topic before I did this study? Sufficient background information helps your reader determine if you have a basic understanding of the research problem being investigated and promotes confidence in the overall quality of your analysis and findings. This information provides the reader with the essential context needed to understand the research problem and its significance before moving on to the literature review.

Depending on the problem being studied, forms of contextualization may include one or more of the following:

  • Cultural -- placed within the learned behavior of specific groups of people.
  • Economic -- of or relating to systems of production and management of material wealth and/or business activities.
  • Gender -- located within the behavioral, cultural, or psychological traits typically associated with being male or female.
  • Historical -- the time in which something takes place or was created and how that influences how you interpret it.
  • Interdisciplinary -- explanation of theories, concepts, ideas, or methodologies borrowed from other disciplines applied to the research problem rooted in another discipline.
  • Philosophical -- clarification of the essential nature of being or of phenomena as it relates to the research problem.
  • Physical/Spatial -- reflects the space around something and how that influences how you see it.
  • Political -- concerns the environment in which something is produced indicating it's public purpose or agenda.
  • Social -- the environment of people that surrounds something's creation or intended audience, reflecting how the people around something use and interpret it.
  • Temporal -- reflects issues or events of, relating to, or limited by time.

Background information can also include summaries of important, relevant research studies . This is particularly important if there is an essential or groundbreaking study about the research problem or a key study that refutes or supports your thesis. The key is to summarize for the reader what is known about the specific research problem before you conduct the analysis. This is accomplished with a general review of the foundational research literature [with citations] that document findings informing your study's aims and objectives.

NOTE : Research studies cited as part of the background information of your introduction should not include very specific, lengthy explanations. This should be discussed in greater detail in your literature review section.

Background of the Problem Section: What do you Need to Consider? Anonymous. Harvard University; Hopkins, Will G. How to Write a Research Paper . SPORTSCIENCE, Perspectives/Research Resources. Department of Physiology and School of Physical Education, University of Otago, 1999; Green, L. H. How to Write the Background/Introduction Section . Physics 499 Powerpoint slides. University of Illinois; Woodall, W. Gill. Writing the Background and Significance Section . Senior Research Scientist and Professor of Communication. Center on Alcoholism, Substance Abuse, and Addictions. University of New Mexico.  

Providing background information in the introduction of a research paper serves as a bridge that links the reader to the topic of your study . Precisely how long and in-depth this bridge should be is largely dependent upon how much information you think the reader will need to know in order to fully understand the topic being discussed and to appreciate why the issues you are investigating are important.

From another perspective, the length and detail of background information also depends on the degree to which you need to demonstrate to your professor how much you understand the research problem. Keep this in mind because providing pertinent background information can be an effective way to demonstrate that you have a clear grasp of key issues and concepts underpinning your overall study. Don't try to show off, though! And, avoid stating the obvious.

The structure and writing style of your background information can vary depending upon the complexity of your research and/or the nature of the assignment. Given this, here are some questions to consider while writing this part of your introduction :

  • Are there concepts, terms, theories, or ideas that may be unfamiliar to the reader and, thus, require additional explanation?
  • Are there historical elements that need to be explored in order to provide needed context, to highlight specific people, issues, or events, or to lay a foundation for understanding the emergence of a current issue or event?
  • Are there theories, concepts, or ideas borrowed from other disciplines or academic traditions that may be unfamiliar to the reader and therefore require further explanation?
  • Is the research study unusual in a way that requires additional explanation, such as, 1) your study uses a method of analysis never applied before; 2) your study investigates a very esoteric or complex research problem; 3) your study introduces new or unique variables that need to be taken into account ; or, 4) your study relies upon analyzing unique texts or documents, such as, archival materials or primary documents like diaries or personal letters that do not represent the established body of source literature on the topic?

Almost all introductions to a research problem require some contextualizing, but the scope and breadth of background information varies depending on your assumption about the reader's level of prior knowledge . Despite this assessment, however, background information should be brief and succinct; save any elaboration of critical points or in-depth discussion of key issues for the literature review section of your paper.

Background of the Problem Section: What do you Need to Consider? Anonymous. Harvard University; Hopkins, Will G. How to Write a Research Paper . SPORTSCIENCE, Perspectives/Research Resources. Department of Physiology and School of Physical Education, University of Otago, 1999; Green, L. H. How to Write the Background/Introduction Section . Physics 499 Powerpoint slides. University of Illinois; Woodall, W. Gill. Writing the Background and Significance Section . Senior Research Scientist and Professor of Communication. Center on Alcoholism, Substance Abuse, and Addictions. University of New Mexico.

Background Information vs. the Literature Review

Incorporating background information into the introduction is intended to provide the reader with critical information about the topic being studied, such as, highlighting and expanding upon foundational studies conducted in the past, describing important historical events that inform why and in what ways the research problem exists, or defining key components of your study [concepts, people, places, phenomena]. Although introductory background information can often blend into the literature review portion of the paper in social sciences research , basic background information should not be considered a substitute for a comprehensive review and synthesis of relevant research literature.

Hart, Cris. Doing a Literature Review: Releasing the Social Science Research Imagination . Thousand Oaks, CA: Sage, 1998.

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  • Last Updated: Mar 22, 2022 8:49 AM
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Writing an Introduction for a Scientific Paper

Dr. michelle harris, dr. janet batzli, biocore.

This section provides guidelines on how to construct a solid introduction to a scientific paper including background information, study question , biological rationale, hypothesis , and general approach . If the Introduction is done well, there should be no question in the reader’s mind why and on what basis you have posed a specific hypothesis.

Broad Question : based on an initial observation (e.g., “I see a lot of guppies close to the shore. Do guppies like living in shallow water?”). This observation of the natural world may inspire you to investigate background literature or your observation could be based on previous research by others or your own pilot study. Broad questions are not always included in your written text, but are essential for establishing the direction of your research.

Background Information : key issues, concepts, terminology, and definitions needed to understand the biological rationale for the experiment. It often includes a summary of findings from previous, relevant studies. Remember to cite references, be concise, and only include relevant information given your audience and your experimental design. Concisely summarized background information leads to the identification of specific scientific knowledge gaps that still exist. (e.g., “No studies to date have examined whether guppies do indeed spend more time in shallow water.”)

Testable Question : these questions are much more focused than the initial broad question, are specific to the knowledge gap identified, and can be addressed with data. (e.g., “Do guppies spend different amounts of time in water <1 meter deep as compared to their time in water that is >1 meter deep?”)

Biological Rationale : describes the purpose of your experiment distilling what is known and what is not known that defines the knowledge gap that you are addressing. The “BR” provides the logic for your hypothesis and experimental approach, describing the biological mechanism and assumptions that explain why your hypothesis should be true.

The biological rationale is based on your interpretation of the scientific literature, your personal observations, and the underlying assumptions you are making about how you think the system works. If you have written your biological rationale, your reader should see your hypothesis in your introduction section and say to themselves, “Of course, this hypothesis seems very logical based on the rationale presented.”

  • A thorough rationale defines your assumptions about the system that have not been revealed in scientific literature or from previous systematic observation. These assumptions drive the direction of your specific hypothesis or general predictions.
  • Defining the rationale is probably the most critical task for a writer, as it tells your reader why your research is biologically meaningful. It may help to think about the rationale as an answer to the questions— how is this investigation related to what we know, what assumptions am I making about what we don’t yet know, AND how will this experiment add to our knowledge? *There may or may not be broader implications for your study; be careful not to overstate these (see note on social justifications below).
  • Expect to spend time and mental effort on this. You may have to do considerable digging into the scientific literature to define how your experiment fits into what is already known and why it is relevant to pursue.
  • Be open to the possibility that as you work with and think about your data, you may develop a deeper, more accurate understanding of the experimental system. You may find the original rationale needs to be revised to reflect your new, more sophisticated understanding.
  • As you progress through Biocore and upper level biology courses, your rationale should become more focused and matched with the level of study e ., cellular, biochemical, or physiological mechanisms that underlie the rationale. Achieving this type of understanding takes effort, but it will lead to better communication of your science.

***Special note on avoiding social justifications: You should not overemphasize the relevance of your experiment and the possible connections to large-scale processes. Be realistic and logical —do not overgeneralize or state grand implications that are not sensible given the structure of your experimental system. Not all science is easily applied to improving the human condition. Performing an investigation just for the sake of adding to our scientific knowledge (“pure or basic science”) is just as important as applied science. In fact, basic science often provides the foundation for applied studies.

Hypothesis / Predictions : specific prediction(s) that you will test during your experiment. For manipulative experiments, the hypothesis should include the independent variable (what you manipulate), the dependent variable(s) (what you measure), the organism or system , the direction of your results, and comparison to be made.

If you are doing a systematic observation , your hypothesis presents a variable or set of variables that you predict are important for helping you characterize the system as a whole, or predict differences between components/areas of the system that help you explain how the system functions or changes over time.

Experimental Approach : Briefly gives the reader a general sense of the experiment, the type of data it will yield, and the kind of conclusions you expect to obtain from the data. Do not confuse the experimental approach with the experimental protocol . The experimental protocol consists of the detailed step-by-step procedures and techniques used during the experiment that are to be reported in the Methods and Materials section.

Some Final Tips on Writing an Introduction

  • As you progress through the Biocore sequence, for instance, from organismal level of Biocore 301/302 to the cellular level in Biocore 303/304, we expect the contents of your “Introduction” paragraphs to reflect the level of your coursework and previous writing experience. For example, in Biocore 304 (Cell Biology Lab) biological rationale should draw upon assumptions we are making about cellular and biochemical processes.
  • Be Concise yet Specific: Remember to be concise and only include relevant information given your audience and your experimental design. As you write, keep asking, “Is this necessary information or is this irrelevant detail?” For example, if you are writing a paper claiming that a certain compound is a competitive inhibitor to the enzyme alkaline phosphatase and acts by binding to the active site, you need to explain (briefly) Michaelis-Menton kinetics and the meaning and significance of Km and Vmax. This explanation is not necessary if you are reporting the dependence of enzyme activity on pH because you do not need to measure Km and Vmax to get an estimate of enzyme activity.
  • Another example: if you are writing a paper reporting an increase in Daphnia magna heart rate upon exposure to caffeine you need not describe the reproductive cycle of magna unless it is germane to your results and discussion. Be specific and concrete, especially when making introductory or summary statements.

Where Do You Discuss Pilot Studies? Many times it is important to do pilot studies to help you get familiar with your experimental system or to improve your experimental design. If your pilot study influences your biological rationale or hypothesis, you need to describe it in your Introduction. If your pilot study simply informs the logistics or techniques, but does not influence your rationale, then the description of your pilot study belongs in the Materials and Methods section.  

How will introductions be evaluated? The following is part of the rubric we will be using to evaluate your papers.

Banner

Extended Essay Guide: The Introduction

  • Purpose of Guide
  • Writing Your Research Question
  • Finding Resources
  • Research Plan Ouline
  • Drafting Your Paper
  • The Introduction
  • The Conclusion
  • Citations/Bibliography
  • Proofreading Your Paper
  • IB Assessment Criteria/Subject Specific Guides/Exemplars/Etc

Extended Essay Introduction

The goal of the introduction is to introduce the topic and provide enough information about it in order to enable the reader to comprehend the significance of your research question. The research question must be clearly and precisely stated in the introduction.  The research question is the central question you are trying to answer through your research and writing of the extended essay. This question, if properly composed, will both enable you to maintain your focus on a topic of narrow and limited scope while also help you to maintain the purpose and orientation of your entire investigation. Your extended essay will be assessed in part according to the extent to which the essay appropriately addresses and develops your specific research question. The readers will also evaluate your success in collecting information relevant to the research question. Establish the significance of the research question and explain why it is worthy of study.  Briefly and concisely preview your body by providing a plan of investigation (game plan) for the rest of the paper. The game plan briefly explains how you intend to answer the research question.

Introduction Checklist

____ Does your introduction include some background information and place the topic in an appropriate context

_____ Is your research question clearly and exactly focused, and stated (in bold)?

_____ Does your introduction explain the significance and context of your topic? (This topic is an important because…)

_____ Does your introduction explain why your topic is worthy of investigation and still have contemporary relevance? (This topic is worthy of investigation because…)

_____ Does your introduction explain how the research question relates to existing knowledge?

_____ Do you avoid writing lengthy, irrelevant background material?

_____ Do you give the game plan for the rest of the essay?

  • _____ Is it clear where your intro ends?

EE Introduction

Background information.

Background information identifies and describes the history and nature of your research question with reference to the existing literature. Background information expands upon the key points stated in the beginning of your introduction but is not intended to be the main focus of the paper.  Sufficient background information helps your reader determine if you have a basic understanding of the research question being investigated and promotes confidence in the overall quality of your analysis and conclusion. This information provides the reader with the essential context needed to understand the research question and its significance.

Websites to help:

Background of the Problem Section: What do you Need to Consider?

How to Write a Research Paper . 

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  • How to Write a Thesis Statement | 4 Steps & Examples

How to Write a Thesis Statement | 4 Steps & Examples

Published on January 11, 2019 by Shona McCombes . Revised on August 15, 2023 by Eoghan Ryan.

A thesis statement is a sentence that sums up the central point of your paper or essay . It usually comes near the end of your introduction .

Your thesis will look a bit different depending on the type of essay you’re writing. But the thesis statement should always clearly state the main idea you want to get across. Everything else in your essay should relate back to this idea.

You can write your thesis statement by following four simple steps:

  • Start with a question
  • Write your initial answer
  • Develop your answer
  • Refine your thesis statement

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Table of contents

What is a thesis statement, placement of the thesis statement, step 1: start with a question, step 2: write your initial answer, step 3: develop your answer, step 4: refine your thesis statement, types of thesis statements, other interesting articles, frequently asked questions about thesis statements.

A thesis statement summarizes the central points of your essay. It is a signpost telling the reader what the essay will argue and why.

The best thesis statements are:

  • Concise: A good thesis statement is short and sweet—don’t use more words than necessary. State your point clearly and directly in one or two sentences.
  • Contentious: Your thesis shouldn’t be a simple statement of fact that everyone already knows. A good thesis statement is a claim that requires further evidence or analysis to back it up.
  • Coherent: Everything mentioned in your thesis statement must be supported and explained in the rest of your paper.

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The thesis statement generally appears at the end of your essay introduction or research paper introduction .

The spread of the internet has had a world-changing effect, not least on the world of education. The use of the internet in academic contexts and among young people more generally is hotly debated. For many who did not grow up with this technology, its effects seem alarming and potentially harmful. This concern, while understandable, is misguided. The negatives of internet use are outweighed by its many benefits for education: the internet facilitates easier access to information, exposure to different perspectives, and a flexible learning environment for both students and teachers.

You should come up with an initial thesis, sometimes called a working thesis , early in the writing process . As soon as you’ve decided on your essay topic , you need to work out what you want to say about it—a clear thesis will give your essay direction and structure.

You might already have a question in your assignment, but if not, try to come up with your own. What would you like to find out or decide about your topic?

For example, you might ask:

After some initial research, you can formulate a tentative answer to this question. At this stage it can be simple, and it should guide the research process and writing process .

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Now you need to consider why this is your answer and how you will convince your reader to agree with you. As you read more about your topic and begin writing, your answer should get more detailed.

In your essay about the internet and education, the thesis states your position and sketches out the key arguments you’ll use to support it.

The negatives of internet use are outweighed by its many benefits for education because it facilitates easier access to information.

In your essay about braille, the thesis statement summarizes the key historical development that you’ll explain.

The invention of braille in the 19th century transformed the lives of blind people, allowing them to participate more actively in public life.

A strong thesis statement should tell the reader:

  • Why you hold this position
  • What they’ll learn from your essay
  • The key points of your argument or narrative

The final thesis statement doesn’t just state your position, but summarizes your overall argument or the entire topic you’re going to explain. To strengthen a weak thesis statement, it can help to consider the broader context of your topic.

These examples are more specific and show that you’ll explore your topic in depth.

Your thesis statement should match the goals of your essay, which vary depending on the type of essay you’re writing:

  • In an argumentative essay , your thesis statement should take a strong position. Your aim in the essay is to convince your reader of this thesis based on evidence and logical reasoning.
  • In an expository essay , you’ll aim to explain the facts of a topic or process. Your thesis statement doesn’t have to include a strong opinion in this case, but it should clearly state the central point you want to make, and mention the key elements you’ll explain.

If you want to know more about AI tools , college essays , or fallacies make sure to check out some of our other articles with explanations and examples or go directly to our tools!

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A thesis statement is a sentence that sums up the central point of your paper or essay . Everything else you write should relate to this key idea.

The thesis statement is essential in any academic essay or research paper for two main reasons:

  • It gives your writing direction and focus.
  • It gives the reader a concise summary of your main point.

Without a clear thesis statement, an essay can end up rambling and unfocused, leaving your reader unsure of exactly what you want to say.

Follow these four steps to come up with a thesis statement :

  • Ask a question about your topic .
  • Write your initial answer.
  • Develop your answer by including reasons.
  • Refine your answer, adding more detail and nuance.

The thesis statement should be placed at the end of your essay introduction .

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McCombes, S. (2023, August 15). How to Write a Thesis Statement | 4 Steps & Examples. Scribbr. Retrieved April 11, 2024, from https://www.scribbr.com/academic-essay/thesis-statement/

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  • Solar Eclipse 2024

What the World Has Learned From Past Eclipses

C louds scudded over the small volcanic island of Principe, off the western coast of Africa, on the afternoon of May 29, 1919. Arthur Eddington, director of the Cambridge Observatory in the U.K., waited for the Sun to emerge. The remains of a morning thunderstorm could ruin everything.

The island was about to experience the rare and overwhelming sight of a total solar eclipse. For six minutes, the longest eclipse since 1416, the Moon would completely block the face of the Sun, pulling a curtain of darkness over a thin stripe of Earth. Eddington traveled into the eclipse path to try and prove one of the most consequential ideas of his age: Albert Einstein’s new theory of general relativity.

Eddington, a physicist, was one of the few people at the time who understood the theory, which Einstein proposed in 1915. But many other scientists were stymied by the bizarre idea that gravity is not a mutual attraction, but a warping of spacetime. Light itself would be subject to this warping, too. So an eclipse would be the best way to prove whether the theory was true, because with the Sun’s light blocked by the Moon, astronomers would be able to see whether the Sun’s gravity bent the light of distant stars behind it.

Two teams of astronomers boarded ships steaming from Liverpool, England, in March 1919 to watch the eclipse and take the measure of the stars. Eddington and his team went to Principe, and another team led by Frank Dyson of the Greenwich Observatory went to Sobral, Brazil.

Totality, the complete obscuration of the Sun, would be at 2:13 local time in Principe. Moments before the Moon slid in front of the Sun, the clouds finally began breaking up. For a moment, it was totally clear. Eddington and his group hastily captured images of a star cluster found near the Sun that day, called the Hyades, found in the constellation of Taurus. The astronomers were using the best astronomical technology of the time, photographic plates, which are large exposures taken on glass instead of film. Stars appeared on seven of the plates, and solar “prominences,” filaments of gas streaming from the Sun, appeared on others.

Eddington wanted to stay in Principe to measure the Hyades when there was no eclipse, but a ship workers’ strike made him leave early. Later, Eddington and Dyson both compared the glass plates taken during the eclipse to other glass plates captured of the Hyades in a different part of the sky, when there was no eclipse. On the images from Eddington’s and Dyson’s expeditions, the stars were not aligned. The 40-year-old Einstein was right.

“Lights All Askew In the Heavens,” the New York Times proclaimed when the scientific papers were published. The eclipse was the key to the discovery—as so many solar eclipses before and since have illuminated new findings about our universe.

Telescope used to observe a total solar eclipse, Sobral, Brazil, 1919.

To understand why Eddington and Dyson traveled such distances to watch the eclipse, we need to talk about gravity.

Since at least the days of Isaac Newton, who wrote in 1687, scientists thought gravity was a simple force of mutual attraction. Newton proposed that every object in the universe attracts every other object in the universe, and that the strength of this attraction is related to the size of the objects and the distances among them. This is mostly true, actually, but it’s a little more nuanced than that.

On much larger scales, like among black holes or galaxy clusters, Newtonian gravity falls short. It also can’t accurately account for the movement of large objects that are close together, such as how the orbit of Mercury is affected by its proximity the Sun.

Albert Einstein’s most consequential breakthrough solved these problems. General relativity holds that gravity is not really an invisible force of mutual attraction, but a distortion. Rather than some kind of mutual tug-of-war, large objects like the Sun and other stars respond relative to each other because the space they are in has been altered. Their mass is so great that they bend the fabric of space and time around themselves.

Read More: 10 Surprising Facts About the 2024 Solar Eclipse

This was a weird concept, and many scientists thought Einstein’s ideas and equations were ridiculous. But others thought it sounded reasonable. Einstein and others knew that if the theory was correct, and the fabric of reality is bending around large objects, then light itself would have to follow that bend. The light of a star in the great distance, for instance, would seem to curve around a large object in front of it, nearer to us—like our Sun. But normally, it’s impossible to study stars behind the Sun to measure this effect. Enter an eclipse.

Einstein’s theory gives an equation for how much the Sun’s gravity would displace the images of background stars. Newton’s theory predicts only half that amount of displacement.

Eddington and Dyson measured the Hyades cluster because it contains many stars; the more stars to distort, the better the comparison. Both teams of scientists encountered strange political and natural obstacles in making the discovery, which are chronicled beautifully in the book No Shadow of a Doubt: The 1919 Eclipse That Confirmed Einstein's Theory of Relativity , by the physicist Daniel Kennefick. But the confirmation of Einstein’s ideas was worth it. Eddington said as much in a letter to his mother: “The one good plate that I measured gave a result agreeing with Einstein,” he wrote , “and I think I have got a little confirmation from a second plate.”

The Eddington-Dyson experiments were hardly the first time scientists used eclipses to make profound new discoveries. The idea dates to the beginnings of human civilization.

Careful records of lunar and solar eclipses are one of the greatest legacies of ancient Babylon. Astronomers—or astrologers, really, but the goal was the same—were able to predict both lunar and solar eclipses with impressive accuracy. They worked out what we now call the Saros Cycle, a repeating period of 18 years, 11 days, and 8 hours in which eclipses appear to repeat. One Saros cycle is equal to 223 synodic months, which is the time it takes the Moon to return to the same phase as seen from Earth. They also figured out, though may not have understood it completely, the geometry that enables eclipses to happen.

The path we trace around the Sun is called the ecliptic. Our planet’s axis is tilted with respect to the ecliptic plane, which is why we have seasons, and why the other celestial bodies seem to cross the same general path in our sky.

As the Moon goes around Earth, it, too, crosses the plane of the ecliptic twice in a year. The ascending node is where the Moon moves into the northern ecliptic. The descending node is where the Moon enters the southern ecliptic. When the Moon crosses a node, a total solar eclipse can happen. Ancient astronomers were aware of these points in the sky, and by the apex of Babylonian civilization, they were very good at predicting when eclipses would occur.

Two and a half millennia later, in 2016, astronomers used these same ancient records to measure the change in the rate at which Earth’s rotation is slowing—which is to say, the amount by which are days are lengthening, over thousands of years.

By the middle of the 19 th century, scientific discoveries came at a frenetic pace, and eclipses powered many of them. In October 1868, two astronomers, Pierre Jules César Janssen and Joseph Norman Lockyer, separately measured the colors of sunlight during a total eclipse. Each found evidence of an unknown element, indicating a new discovery: Helium, named for the Greek god of the Sun. In another eclipse in 1869, astronomers found convincing evidence of another new element, which they nicknamed coronium—before learning a few decades later that it was not a new element, but highly ionized iron, indicating that the Sun’s atmosphere is exceptionally, bizarrely hot. This oddity led to the prediction, in the 1950s, of a continual outflow that we now call the solar wind.

And during solar eclipses between 1878 and 1908, astronomers searched in vain for a proposed extra planet within the orbit of Mercury. Provisionally named Vulcan, this planet was thought to exist because Newtonian gravity could not fully describe Mercury’s strange orbit. The matter of the innermost planet’s path was settled, finally, in 1915, when Einstein used general relativity equations to explain it.

Many eclipse expeditions were intended to learn something new, or to prove an idea right—or wrong. But many of these discoveries have major practical effects on us. Understanding the Sun, and why its atmosphere gets so hot, can help us predict solar outbursts that could disrupt the power grid and communications satellites. Understanding gravity, at all scales, allows us to know and to navigate the cosmos.

GPS satellites, for instance, provide accurate measurements down to inches on Earth. Relativity equations account for the effects of the Earth’s gravity and the distances between the satellites and their receivers on the ground. Special relativity holds that the clocks on satellites, which experience weaker gravity, seem to run slower than clocks under the stronger force of gravity on Earth. From the point of view of the satellite, Earth clocks seem to run faster. We can use different satellites in different positions, and different ground stations, to accurately triangulate our positions on Earth down to inches. Without those calculations, GPS satellites would be far less precise.

This year, scientists fanned out across North America and in the skies above it will continue the legacy of eclipse science. Scientists from NASA and several universities and other research institutions will study Earth’s atmosphere; the Sun’s atmosphere; the Sun’s magnetic fields; and the Sun’s atmospheric outbursts, called coronal mass ejections.

When you look up at the Sun and Moon on the eclipse , the Moon’s day — or just observe its shadow darkening the ground beneath the clouds, which seems more likely — think about all the discoveries still yet waiting to happen, just behind the shadow of the Moon.

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