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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 .

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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The Ultimate Guide to Writing a Thesis Statement

A thesis statement is a sentence in a paper or essay (in the opening paragraph) that introduces the main topic to the reader. As one of the first things your reader sees, your thesis statement is one of the most important sentences in your entire paper—but also one of the hardest to write! 

In this article, we explain how to write a thesis statement in the best way possible. We look at what to include and the steps to take for writing your own, along with plenty of thesis statement examples to guide you. 

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Table of contents

What is a thesis statement, how to write a thesis statement: basics, what to include in a thesis statement (with examples), how to write a thesis statement in 3 steps.

The goal of a thesis statement is to let your reader know what your paper or essay is about. It helps your reader understand the greater context and scope of your topic, plus it lets your readers know what to expect from the rest of the work. 

A secondary benefit of a thesis statement is that it makes it easier to search for papers on a particular topic, especially in the realm of academic writing like research papers and thesis papers (which are sometimes known as dissertations when written for doctoral degrees). For example, if you’re writing a paper of your own, you’ll want to look up other papers to use as evidence and sources . You can simply scan the thesis statements of several papers to see which match your topic and could be worthwhile sources to cite. 

Before we get into details, here are the basic steps for how to write a thesis statement: 

• Develop the best topic to cover in your paper
• Phrase your topic as a question-and-answer
• Add some polish

We ’ ll describe each of those steps in more detail below, but we wanted to share a quick guide. Also, we ’ ll provide some thesis statement examples and talk about how to write a thesis statement for different kinds of essays: persuasive, compare-and-contrast, expository, and argumentative essays.

The thesis statement is located at the beginning of a paper, in the opening paragraph, making it an essential way to start an essay . A thesis statement isn’t necessarily the first sentence in an essay; typically you’ll want to hook the reader in an engaging way in the opening sentence before inserting your central idea or argument later in the first paragraph. A thesis statement is often confused with a topic sentence , the first sentence in a paragraph, because they both introduce the central idea of what follows. You can think of thesis statements as the topic sentence of your entire paper.  

Thesis statements are a necessary part of paper and essay writing , but different formats have different rules and best practices. Below, we break down how to write a thesis statement for the most common types of papers. 

How to write a thesis statement for expository and argumentative essays

Expository and argumentative essays are some of the most common types of academic papers. Because they don’t have a formal abstract like research papers, they rely on their thesis statements to provide an overview of what’s discussed. 

Thesis statements for argumentative and expository essays should use strong and decisive language; don’t be wishy-washy or uncertain. You want to take a stand right in the opening so that your readers understand what your paper is trying to show. 

Moreover, thesis statements for these essays should be specific, with some minor details to hint at the rest of the paper. It’s not enough to merely make your point; you also want to provide some basic evidence or background context to paint a full picture. 

If your paper dives into different subtopics or categories, try to fit them into the thesis statement if you can. You don’t have to get into details here, but it’s nice to mention the different sections at the top so that the reader knows what to expect. 

Thesis statement examples

Despite the taboo, insects make an excellent food source and could stem humanity’s looming food shortage, based on both their protein output and the sustainability of farming them. 

The backlash to rock ’n’ roll music in the ’50s by religious groups and traditionalists actually boosted the genre’s popularity instead of diminishing it as intended.

How to write a thesis statement for persuasive essays

Similar to argumentative essays, persuasive essays follow many of the same guidelines for their thesis statements: decisive language, specific details, and mentions of subtopics. 

However, the main difference is that, while the thesis statements for argumentative and expository essays state facts, the thesis statements for persuasive essays state clear opinions . Still, the format is the same, and the opinions are often treated like facts, including conclusive language and citing evidence to support your claims. 

Furthermore, unlike with other essays, it’s appropriate to make emotional connections in a thesis statement in persuasive essays. This can actually be a clever strategy to start your essay off on a more personal, impactful note. 

Advertising should not be allowed in public schools because it’s a distraction from studies and may lead to misguided priorities among the school board, to say nothing of the materialist culture it promotes. 

Exotic pets provide the same love and companionship as conventional pets, so the laws regulating which animals can and cannot be kept as pets should be more relaxed.

How to write a thesis statement for compare-and-contrast essays

Thesis statements for compare-and-contrast essays are tricky because you have at least two topics to touch on instead of just one. The same general guidelines apply (decisive language, details, etc.), but you need to give equal attention to both your topics—otherwise, your essay will seem biased from the start. 

As always, your thesis statement should reflect what’s written in the rest of your essay. If your essay spends more time comparing than contrasting, your thesis statement should focus more on similarities than differences. 

It sometimes helps to give specific examples as well, but keep them simple and brief. Save the finer details for the body of your essay. 

Sean Connery and Daniel Craig are the two most popular actors to portray James Bond, but both have their own distinct and at times contradictory interpretations of the character. 

Now that you know what you’re aiming for, it’s time to sit down and write your own thesis statement. To keep you on track, here are three easy steps to guide you. 

1 Brainstorm the best topic for your essay

You can’t write a thesis statement until you know what your paper is about, so your first step is choosing a topic. 

If the topic is already assigned, great ! That’s all for this step. If not, consider the tips below for choosing the topic that’s best for you:

• Pick a topic that you’re passionate about. Even if you don’t know much about it, it’ll be easier to learn about it while writing if you’re genuinely interested. 
• Narrow down your topic to something specific; otherwise, your paper will be too broad and perhaps too long. Just make sure it’s not too specific, or you won’t have enough to write about. Try to find a happy medium. 
• Check beforehand that there are enough strong, credible sources to use for research. You don’t want to run out of referential material halfway through. 

Once you’ve chosen a topic—and the angle or stance you want to take—then it’s time to put the idea for your thesis sentence into words. 

2 Phrase your topic as a question and then answer it

It’s not always easy to fit your entire thesis into just one sentence, let alone one that’s written clearly and eloquently. Here’s a quick technique to help you get started. 

First, phrase your topic as a question. For example, if you want to write about Mahatma Gandhi’s legacy, ask yourself, “What influences did Gandhi have on society after his death?” 

If you already know the answer, write it down—that’s a good start for your thesis statement. If you don’t know the answer, do some preliminary research to find out; you can certainly use what you discover as evidence and sources in your essay’s body paragraphs . 

3 Add some polish

Chances are, your first attempt at a thesis statement won’t be perfect. To get it to its best, try revising , editing , and adding what’s missing. 

Remember the core traits for thesis statements we mentioned above: decisive language, a happy medium of specific but not too specific details, and mention of subtopics. If you’re struggling to contain everything in a single sentence, feel free to move the secondary information to the following sentence. The thesis statement itself should only have what’s most necessary. 

If you’re in doubt, read your thesis statement to a friend and ask them what they think your paper is about. If they answer correctly, your thesis statement does its job. 

Next comes the hard part—writing the rest! While the bulk of the writing lies ahead, at least you’ve nailed down your central idea. To plot out your supporting argument, follow our advice on essay structure and let your ideas flow. 

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Tips and Examples for Writing Thesis Statements

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Tips for Writing Your Thesis Statement

1. Determine what kind of paper you are writing:

• An analytical paper breaks down an issue or an idea into its component parts, evaluates the issue or idea, and presents this breakdown and evaluation to the audience.
• An expository (explanatory) paper explains something to the audience.
• An argumentative paper makes a claim about a topic and justifies this claim with specific evidence. The claim could be an opinion, a policy proposal, an evaluation, a cause-and-effect statement, or an interpretation. The goal of the argumentative paper is to convince the audience that the claim is true based on the evidence provided.

If you are writing a text that does not fall under these three categories (e.g., a narrative), a thesis statement somewhere in the first paragraph could still be helpful to your reader.

2. Your thesis statement should be specific—it should cover only what you will discuss in your paper and should be supported with specific evidence.

3. The thesis statement usually appears at the end of the first paragraph of a paper.

4. Your topic may change as you write, so you may need to revise your thesis statement to reflect exactly what you have discussed in the paper.

Thesis Statement Examples

Example of an analytical thesis statement:

The paper that follows should:

• Explain the analysis of the college admission process
• Explain the challenge facing admissions counselors

Example of an expository (explanatory) thesis statement:

• Explain how students spend their time studying, attending class, and socializing with peers

Example of an argumentative thesis statement:

• Present an argument and give evidence to support the claim that students should pursue community projects before entering college

Reference management. Clean and simple.

How to write a thesis statement + examples

What is a thesis statement?

Is a thesis statement a question, how do you write a good thesis statement, how do i know if my thesis statement is good, examples of thesis statements, helpful resources on how to write a thesis statement, frequently asked questions about writing a thesis statement, related articles.

A thesis statement is the main argument of your paper or thesis.

The thesis statement is one of the most important elements of any piece of academic writing . It is a brief statement of your paper’s main argument. Essentially, you are stating what you will be writing about.

You can see your thesis statement as an answer to a question. While it also contains the question, it should really give an answer to the question with new information and not just restate or reiterate it.

Your thesis statement is part of your introduction. Learn more about how to write a good thesis introduction in our introduction guide .

A thesis statement is not a question. A statement must be arguable and provable through evidence and analysis. While your thesis might stem from a research question, it should be in the form of a statement.

Tip: A thesis statement is typically 1-2 sentences. For a longer project like a thesis, the statement may be several sentences or a paragraph.

A good thesis statement needs to do the following:

• Condense the main idea of your thesis into one or two sentences.
• Answer your project’s main research question.
• Clearly state your position in relation to the topic .
• Make an argument that requires support or evidence.

Once you have written down a thesis statement, check if it fulfills the following criteria:

• Your statement needs to be provable by evidence. As an argument, a thesis statement needs to be debatable.
• Your statement needs to be precise. Do not give away too much information in the thesis statement and do not load it with unnecessary information.
• Your statement cannot say that one solution is simply right or simply wrong as a matter of fact. You should draw upon verified facts to persuade the reader of your solution, but you cannot just declare something as right or wrong.

As previously mentioned, your thesis statement should answer a question.

If the question is:

What do you think the City of New York should do to reduce traffic congestion?

A good thesis statement restates the question and answers it:

In this paper, I will argue that the City of New York should focus on providing exclusive lanes for public transport and adaptive traffic signals to reduce traffic congestion by the year 2035.

Here is another example. If the question is:

How can we end poverty?

A good thesis statement should give more than one solution to the problem in question:

In this paper, I will argue that introducing universal basic income can help reduce poverty and positively impact the way we work.

• The Writing Center of the University of North Carolina has a list of questions to ask to see if your thesis is strong .

A thesis statement is part of the introduction of your paper. It is usually found in the first or second paragraph to let the reader know your research purpose from the beginning.

In general, a thesis statement should have one or two sentences. But the length really depends on the overall length of your project. Take a look at our guide about the length of thesis statements for more insight on this topic.

Here is a list of Thesis Statement Examples that will help you understand better how to write them.

Every good essay should include a thesis statement as part of its introduction, no matter the academic level. Of course, if you are a high school student you are not expected to have the same type of thesis as a PhD student.

Here is a great YouTube tutorial showing How To Write An Essay: Thesis Statements .

How to Write a Thesis Statement (Full Guide + 60 Examples)

Crafting the perfect thesis statement is an art form that sets the foundation for your entire paper.

Here is how to write a thesis statement:

Write a thesis statement by clearly stating your topic, expressing your position, and providing key points. For example: “Social media impacts teens by influencing self-esteem, enabling cyberbullying, and shaping social interactions.” Be specific, concise, and arguable.

This ultimate guide will break down everything you need to know about how to write a thesis statement, plus 60 examples.

What Is a Thesis Statement?

Table of Contents

A thesis statement is a concise summary of the main point or claim of an essay, research paper, or other piece of academic writing.

It presents the topic of your paper and your position on the topic, ideally in a single sentence.

Think of it as the roadmap to your paper—it guides your readers through your arguments and provides a clear direction.

Key Elements of a Thesis Statement

• Clarity: Your thesis should be clear and specific.
• Position: It should convey your stance on the topic.
• Argument: The statement should make a claim that others might dispute.

Types of Thesis Statements

There are various types of thesis statements depending on the kind of paper you’re writing.

Here are the main ones:

• Standard Method – This is the classic thesis statement used in many academic essays. It provides a straightforward approach, clearly stating the main argument or claim and outlining the supporting points.
• Research Paper – Designed for research papers, this type involves extensive research and evidence. It presents a hypothesis or a central argument based on your research findings.
• Informative Essay – Used for essays that aim to inform or explain a topic. It provides a clear summary of what the reader will learn.
• Persuasive Essay – For essays meant to persuade or convince the reader of a particular point of view. It clearly states your position and outlines your main arguments.
• Compare and Contrast Essay – Used when comparing two or more subjects. It highlights the similarities and differences between the subjects and presents a clear argument based on these comparisons.
• Analytical Essay – Breaks down an issue or idea into its component parts, evaluates the issue or idea, and presents this breakdown and evaluation to the audience.
• Argumentative Essay – Makes a claim about a topic and justifies this claim with specific evidence. It’s similar to the persuasive essay but usually requires more evidence and a more formal tone.
• Expository Essay – Explains or describes a topic in a straightforward, logical manner. It provides a balanced analysis of a subject based on facts without opinions.
• Narrative Essay – Tells a story or relates an event. The thesis statement for a narrative essay usually highlights the main point or lesson of the story.
• Cause and Effect Essay – Explores the causes of a particular event or situation and its effects. It provides a clear argument about the cause and effect relationship.

How to Write a Thesis Statement (Standard Method)

Writing a standard thesis statement involves a few straightforward steps.

Here’s a detailed guide:

• Identify Your Topic: What is your essay about?
• Take a Stance: What is your position on the topic?
• Outline Your Main Points: What are the key arguments that support your stance?
• Combine All Elements: Formulate a single, coherent sentence that encompasses all the above points.
• “Social media has a significant impact on teenagers because it influences their self-esteem, provides a platform for cyberbullying, and shapes their social interactions.”
• “Climate change is a pressing issue that requires immediate action because it threatens global ecosystems, endangers human health, and disrupts economies.”
• “The rise of remote work is transforming the modern workplace by increasing flexibility, reducing overhead costs, and enhancing work-life balance.”
• “School uniforms should be mandatory in public schools as they promote equality, reduce bullying, and simplify the morning routine.”
• “Digital literacy is essential in today’s world because it improves communication, enhances job prospects, and enables informed decision-making.”

How to Write a Thesis Statement for a Research Paper

Research papers require a more detailed and evidence-based thesis.

Here’s how to craft one:

• Start with a Research Question: What are you trying to find out?
• Conduct Preliminary Research: Gather evidence and sources.
• Formulate a Hypothesis: Based on your research, what do you think will happen?
• Refine Your Thesis: Make it specific and arguable.
• “The implementation of renewable energy sources can significantly reduce carbon emissions in urban areas, as evidenced by case studies in cities like Copenhagen and Vancouver.”
• “Genetically modified crops have the potential to improve food security, but their impact on biodiversity and human health requires further investigation.”
• “The use of artificial intelligence in healthcare can improve diagnostic accuracy and patient outcomes, but ethical concerns about data privacy and algorithmic bias must be addressed.”
• “Urban green spaces contribute to mental well-being and community cohesion, as demonstrated by longitudinal studies in various metropolitan areas.”
• “Microplastic pollution in oceans poses a severe threat to marine life and human health, highlighting the need for stricter waste management policies.”

How to Write a Thesis Statement for an Essay

You’ll write thesis statements a little differently for different kinds of essays.

Informative Essay

• Choose Your Topic: What are you informing your readers about?
• Outline Key Points: What are the main pieces of information?
• Draft Your Statement: Clearly state the purpose and main points.
• “The process of photosynthesis is essential for plant life as it converts light energy into chemical energy, produces oxygen, and is the basis for the food chain.”
• “The human digestive system is a complex series of organs and glands that process food, absorb nutrients, and eliminate waste.”
• “The Industrial Revolution was a period of major technological advancement and social change that reshaped the economies and societies of Europe and North America.”
• “The history of the internet from its early development in the 1960s to its current role in global communication and commerce is a fascinating journey of innovation and transformation.”
• “The impact of climate change on Arctic ecosystems is profound, affecting wildlife, indigenous communities, and global weather patterns.”

Persuasive Essay

• Identify Your Position: What are you trying to convince your reader of?
• Gather Supporting Evidence: What evidence backs up your position?
• Combine Elements: Make a clear, arguable statement.
• “Implementing a four-day workweek can improve productivity and employee well-being, as supported by studies from Iceland and Japan.”
• “The death penalty should be abolished as it is inhumane, does not deter crime, and risks executing innocent people.”
• “Public transportation should be made free to reduce traffic congestion, decrease pollution, and promote social equity.”
• “Recycling should be mandatory to conserve natural resources, reduce landfill waste, and protect the environment.”
• “Vaccination should be mandatory to protect public health and prevent the spread of contagious diseases.”

Compare and Contrast Essay

• Choose Subjects to Compare: What are the two (or more) subjects?
• Determine the Basis of Comparison: What specific aspects are you comparing?
• Draft the Thesis: Clearly state the subjects and the comparison.
• “While both solar and wind energy are renewable sources, solar energy is more versatile and can be used in a wider variety of environments.”
• “Although both capitalism and socialism aim to improve economic welfare, capitalism emphasizes individual freedom while socialism focuses on collective equality.”
• “Traditional classroom education and online learning each offer unique benefits, but online learning provides greater flexibility and access to resources.”
• “The novels ‘1984’ by George Orwell and ‘Brave New World’ by Aldous Huxley both depict dystopian societies, but ‘1984’ focuses on totalitarianism while ‘Brave New World’ explores the dangers of technological control.”
• “While iOS and Android operating systems offer similar functionality, iOS provides a more streamlined user experience, whereas Android offers greater customization options.”

How to Write a Thesis Statement for an Analytical Essay

An analytical essay breaks down an issue or idea into its component parts, evaluates the issue or idea, and presents this breakdown and evaluation to the audience.

• Choose Your Topic: What will you analyze?
• Identify Key Components: What are the main parts of your analysis?
• Formulate Your Thesis: Combine the components into a coherent statement.
• “Shakespeare’s ‘Hamlet’ explores themes of madness and revenge through the complex characterization of Hamlet and his interactions with other characters.”
• “The economic policies of the New Deal addressed the Great Depression by implementing financial reforms, creating job opportunities, and providing social welfare programs.”
• “The symbolism in ‘The Great Gatsby’ by F. Scott Fitzgerald reflects the moral decay and social stratification of the Jazz Age.”
• “The narrative structure of ‘Inception’ uses nonlinear storytelling to explore the complexities of dreams and reality.”
• “The use of color in Wes Anderson’s films enhances the whimsical and nostalgic tone of his storytelling.”

How to Write a Thesis Statement for an Argumentative Essay

An argumentative essay makes a claim about a topic and justifies this claim with specific evidence.

It’s similar to the persuasive essay but usually requires more evidence and a more formal tone.

• Choose Your Topic: What are you arguing about?
• Gather Evidence: What evidence supports your claim?
• Formulate Your Thesis: Make a clear, evidence-based statement.
• “Climate change is primarily driven by human activities, such as deforestation and the burning of fossil fuels, which increase greenhouse gas emissions.”
• “The benefits of universal healthcare outweigh the costs, as it ensures equal access to medical services, reduces overall healthcare expenses, and improves public health.”
• “The death penalty should be abolished because it violates human rights, is not a deterrent to crime, and risks the execution of innocent people.”
• “Animal testing for cosmetics should be banned as it is unethical, unnecessary, and alternatives are available.”
• “Net neutrality should be maintained to ensure a free and open internet, preventing service providers from prioritizing or blocking content.”

How to Write a Thesis Statement for an Expository Essay

An expository essay explains or describes a topic in a straightforward, logical manner.

It provides a balanced analysis of a subject based on facts without opinions.

• Choose Your Topic: What are you explaining or describing?
• Outline Key Points: What are the main facts or components?
• Formulate Your Thesis: Combine the elements into a clear statement.
• “The water cycle consists of evaporation, condensation, and precipitation, which are essential for maintaining the earth’s water balance.”
• “The human respiratory system is responsible for taking in oxygen and expelling carbon dioxide through a series of organs, including the lungs, trachea, and diaphragm.”
• “Photosynthesis in plants involves the absorption of light energy by chlorophyll, which converts carbon dioxide and water into glucose and oxygen.”
• “The structure of DNA is a double helix composed of nucleotides, which are the building blocks of genetic information.”
• “The process of mitosis ensures that cells divide correctly, allowing for growth, repair, and reproduction in living organisms.”

How to Write a Thesis Statement for a Narrative Essay

A narrative essay tells a story or relates an event.

The thesis statement for a narrative essay usually highlights the main point or lesson of the story.

• Identify the Main Point: What is the main lesson or theme of your story?
• Outline Key Events: What are the key events that support this point?
• Formulate Your Thesis: Combine the main point and events into a coherent statement.
• “Overcoming my fear of public speaking in high school taught me the value of confidence and perseverance.”
• “My summer volunteering at a wildlife rescue center showed me the importance of compassion and teamwork.”
• “A family road trip across the country provided me with unforgettable memories and a deeper appreciation for our diverse landscapes.”
• “Moving to a new city for college challenged me to adapt to new environments and build independence.”
• “A childhood friendship that ended in betrayal taught me the importance of trust and resilience.”

How to Write a Thesis Statement for a Cause and Effect Essay

A cause and effect essay explores the causes of a particular event or situation and its effects.

It provides a clear argument about the cause and effect relationship.

• Identify the Event or Situation: What are you analyzing?
• Determine the Causes: What are the reasons behind this event or situation?
• Identify the Effects: What are the consequences?
• Formulate Your Thesis: Combine the causes and effects into a coherent statement.
• “The rise in global temperatures is primarily caused by human activities, such as burning fossil fuels, and leads to severe weather patterns and rising sea levels.”
• “The introduction of invasive species in an ecosystem disrupts the balance and leads to the decline of native species.”
• “Economic recession is caused by a combination of factors, including high unemployment rates and declining consumer confidence, and results in reduced business investments and government spending.”
• “Prolonged exposure to screen time can cause digital eye strain and sleep disturbances, affecting overall health and productivity.”
• “Deforestation contributes to soil erosion and loss of biodiversity, leading to the degradation of ecosystems and reduced agricultural productivity.”

How to Write a Good Thesis Statement

Writing a good thesis statement is all about clarity and specificity.

Here’s a formula to help you:

• State the Topic: What are you writing about?
• Express Your Opinion: What do you think about the topic?
• Provide a Reason: Why do you think this way?
• “Remote work is beneficial because it offers flexibility, reduces commuting time, and increases job satisfaction.”
• “Regular exercise is essential for maintaining physical and mental health as it boosts energy levels, improves mood, and reduces the risk of chronic diseases.”
• “Reading fiction enhances empathy by allowing readers to experience different perspectives and emotions.”
• “A plant-based diet is advantageous for both personal health and environmental sustainability.”
• “Learning a second language enhances cognitive abilities and opens up cultural and professional opportunities.”

Check out this video about how to write a strong thesis statement:

How to Write a Thesis Statement (Formula + Template)

Use this simple formula to craft your thesis statement:

[Main Topic] + [Your Opinion/Position] + [Reason/Key Points]

Template: “__________ (main topic) has __________ (your opinion) because __________ (reason/key points).”

• “Electric cars are the future of transportation because they reduce greenhouse gas emissions, lower fuel costs, and require less maintenance.”
• “Social media platforms should implement stricter privacy controls because user data is vulnerable to breaches, exploitation, and misuse.”
• “Higher education should be more affordable to ensure equal access and promote social mobility.”
• “Television news often fails to provide balanced coverage, leading to public misinformation.”
• “Volunteer work should be encouraged in schools to foster community engagement and personal development.”

Thesis Statement Tips

Writing a strong thesis statement is crucial for a successful essay. Here are some tips to help you craft a killer thesis statement:

• Be Specific: Avoid vague language. Make sure your thesis statement clearly defines your argument or main point.
• Be Concise: Keep it to one or two sentences. Your thesis statement should be brief and to the point.
• Make It Arguable: Ensure that your thesis statement presents a claim or argument that can be disputed.
• Place It Appropriately: Typically, your thesis statement should be placed at the end of your introduction paragraph.
• Revise and Refine: Don’t be afraid to revise your thesis statement as you write and refine your essay. It should evolve as your ideas develop.

Common Thesis Statement Errors

Avoid these common errors when crafting your thesis statement:

• Too Broad: A thesis statement that is too broad makes it difficult to focus your essay. Narrow it down to a specific point.
• Too Vague: Avoid vague language that lacks specificity. Be clear about what you’re arguing.
• Lacks an Argument: Ensure that your thesis statement makes a clear argument or claim. Avoid statements that are purely factual or descriptive.
• Too Complex: A thesis statement should be straightforward and easy to understand. Avoid overly complex sentences.
• Off-Topic: Make sure your thesis statement is directly related to the topic of your essay. Stay on track.

How Do You Start a Thesis Statement?

Starting a thesis statement involves using clear and concise language that sets the stage for your argument.

Here are some exact words and phrases to begin with:

• “The purpose of this paper is to…”
• “This essay will argue that…”
• “In this essay, I will demonstrate that…”
• “The central idea of this paper is…”
• “This research aims to prove that…”
• “This study focuses on…”
• “This analysis will show that…”
• “The main argument presented in this paper is…”
• “The goal of this essay is to…”
• “Through this research, it will be shown that…”

How Long Should a Thesis Statement Be?

A thesis statement should be clear and concise, typically one to two sentences long.

Aim for 20 to 30 words, ensuring it includes the main topic, your position, and the key points that will be covered in your paper.

This provides a focused and precise summary of your argument, making it easier for readers to understand the main direction of your essay or research paper.

While brevity is essential, it’s also crucial to provide enough detail to convey the scope of your argument.

Avoid overly complex sentences that can confuse readers. Instead, strive for a balance between clarity and comprehensiveness, ensuring your thesis statement is straightforward and informative.

Summary Table of Thesis Statement Writing

Final Thoughts: How to Write a Thesis Statement

Writing a strong thesis statement is the cornerstone of a successful paper.

It guides your writing and helps your readers understand your argument. Remember to be clear, specific, and concise. With practice, you’ll master the art of crafting killer thesis statements.

Read This Next:

• How to Write a Hypothesis [31 Tips + Examples]
• How to Write a Topic Sentence (30+ Tips & Examples)
• How to Write a Paragraph [Ultimate Guide + Examples] What Is A Universal Statement In Writing? (Explained) 21 Best Ways To Write Essays When You Are Stuck [Examples]

While Sandel argues that pursuing perfection through genetic engineering would decrease our sense of humility, he claims that the sense of solidarity we would lose is also important.

This thesis summarizes several points in Sandel’s argument, but it does not make a claim about how we should understand his argument. A reader who read Sandel’s argument would not also need to read an essay based on this descriptive thesis.  

Broad thesis (arguable, but difficult to support with evidence) 

Michael Sandel’s arguments about genetic engineering do not take into consideration all the relevant issues.

This is an arguable claim because it would be possible to argue against it by saying that Michael Sandel’s arguments do take all of the relevant issues into consideration. But the claim is too broad. Because the thesis does not specify which “issues” it is focused on—or why it matters if they are considered—readers won’t know what the rest of the essay will argue, and the writer won’t know what to focus on. If there is a particular issue that Sandel does not address, then a more specific version of the thesis would include that issue—hand an explanation of why it is important.  

Arguable thesis with analytical claim 

While Sandel argues persuasively that our instinct to “remake” (54) ourselves into something ever more perfect is a problem, his belief that we can always draw a line between what is medically necessary and what makes us simply “better than well” (51) is less convincing.

This is an arguable analytical claim. To argue for this claim, the essay writer will need to show how evidence from the article itself points to this interpretation. It’s also a reasonable scope for a thesis because it can be supported with evidence available in the text and is neither too broad nor too narrow.  

Arguable thesis with normative claim 

Given Sandel’s argument against genetic enhancement, we should not allow parents to decide on using Human Growth Hormone for their children.

This thesis tells us what we should do about a particular issue discussed in Sandel’s article, but it does not tell us how we should understand Sandel’s argument.  

Questions to ask about your thesis 

• Is the thesis truly arguable? Does it speak to a genuine dilemma in the source, or would most readers automatically agree with it?  
• Is the thesis too obvious? Again, would most or all readers agree with it without needing to see your argument?  
• Is the thesis complex enough to require a whole essay's worth of argument?  
• Is the thesis supportable with evidence from the text rather than with generalizations or outside research?  
• Would anyone want to read a paper in which this thesis was developed? That is, can you explain what this paper is adding to our understanding of a problem, question, or topic?
• picture_as_pdf Thesis

Developing a Thesis Statement

Many papers you write require developing a thesis statement. In this section you’ll learn what a thesis statement is and how to write one.

Keep in mind that not all papers require thesis statements . If in doubt, please consult your instructor for assistance.

What is a thesis statement?

A thesis statement . . .

• Makes an argumentative assertion about a topic; it states the conclusions that you have reached about your topic.
• Makes a promise to the reader about the scope, purpose, and direction of your paper.
• Is focused and specific enough to be “proven” within the boundaries of your paper.
• Is generally located near the end of the introduction ; sometimes, in a long paper, the thesis will be expressed in several sentences or in an entire paragraph.
• Identifies the relationships between the pieces of evidence that you are using to support your argument.

Not all papers require thesis statements! Ask your instructor if you’re in doubt whether you need one.

Identify a topic

Your topic is the subject about which you will write. Your assignment may suggest several ways of looking at a topic; or it may name a fairly general concept that you will explore or analyze in your paper.

Consider what your assignment asks you to do

Inform yourself about your topic, focus on one aspect of your topic, ask yourself whether your topic is worthy of your efforts, generate a topic from an assignment.

Below are some possible topics based on sample assignments.

Sample assignment 1

Analyze Spain’s neutrality in World War II.

Identified topic

Franco’s role in the diplomatic relationships between the Allies and the Axis

This topic avoids generalities such as “Spain” and “World War II,” addressing instead on Franco’s role (a specific aspect of “Spain”) and the diplomatic relations between the Allies and Axis (a specific aspect of World War II).

Sample assignment 2

Analyze one of Homer’s epic similes in the Iliad.

The relationship between the portrayal of warfare and the epic simile about Simoisius at 4.547-64.

This topic focuses on a single simile and relates it to a single aspect of the Iliad ( warfare being a major theme in that work).

Developing a Thesis Statement–Additional information

Your assignment may suggest several ways of looking at a topic, or it may name a fairly general concept that you will explore or analyze in your paper. You’ll want to read your assignment carefully, looking for key terms that you can use to focus your topic.

Sample assignment: Analyze Spain’s neutrality in World War II Key terms: analyze, Spain’s neutrality, World War II

After you’ve identified the key words in your topic, the next step is to read about them in several sources, or generate as much information as possible through an analysis of your topic. Obviously, the more material or knowledge you have, the more possibilities will be available for a strong argument. For the sample assignment above, you’ll want to look at books and articles on World War II in general, and Spain’s neutrality in particular.

As you consider your options, you must decide to focus on one aspect of your topic. This means that you cannot include everything you’ve learned about your topic, nor should you go off in several directions. If you end up covering too many different aspects of a topic, your paper will sprawl and be unconvincing in its argument, and it most likely will not fulfull the assignment requirements.

For the sample assignment above, both Spain’s neutrality and World War II are topics far too broad to explore in a paper. You may instead decide to focus on Franco’s role in the diplomatic relationships between the Allies and the Axis , which narrows down what aspects of Spain’s neutrality and World War II you want to discuss, as well as establishes a specific link between those two aspects.

Before you go too far, however, ask yourself whether your topic is worthy of your efforts. Try to avoid topics that already have too much written about them (i.e., “eating disorders and body image among adolescent women”) or that simply are not important (i.e. “why I like ice cream”). These topics may lead to a thesis that is either dry fact or a weird claim that cannot be supported. A good thesis falls somewhere between the two extremes. To arrive at this point, ask yourself what is new, interesting, contestable, or controversial about your topic.

As you work on your thesis, remember to keep the rest of your paper in mind at all times . Sometimes your thesis needs to evolve as you develop new insights, find new evidence, or take a different approach to your topic.

Derive a main point from topic

Once you have a topic, you will have to decide what the main point of your paper will be. This point, the “controlling idea,” becomes the core of your argument (thesis statement) and it is the unifying idea to which you will relate all your sub-theses. You can then turn this “controlling idea” into a purpose statement about what you intend to do in your paper.

Look for patterns in your evidence

Compose a purpose statement.

Consult the examples below for suggestions on how to look for patterns in your evidence and construct a purpose statement.

• Franco first tried to negotiate with the Axis
• Franco turned to the Allies when he couldn’t get some concessions that he wanted from the Axis

Possible conclusion:

Spain’s neutrality in WWII occurred for an entirely personal reason: Franco’s desire to preserve his own (and Spain’s) power.

Purpose statement

This paper will analyze Franco’s diplomacy during World War II to see how it contributed to Spain’s neutrality.

• The simile compares Simoisius to a tree, which is a peaceful, natural image.
• The tree in the simile is chopped down to make wheels for a chariot, which is an object used in warfare.

At first, the simile seems to take the reader away from the world of warfare, but we end up back in that world by the end.

This paper will analyze the way the simile about Simoisius at 4.547-64 moves in and out of the world of warfare.

Derive purpose statement from topic

To find out what your “controlling idea” is, you have to examine and evaluate your evidence . As you consider your evidence, you may notice patterns emerging, data repeated in more than one source, or facts that favor one view more than another. These patterns or data may then lead you to some conclusions about your topic and suggest that you can successfully argue for one idea better than another.

For instance, you might find out that Franco first tried to negotiate with the Axis, but when he couldn’t get some concessions that he wanted from them, he turned to the Allies. As you read more about Franco’s decisions, you may conclude that Spain’s neutrality in WWII occurred for an entirely personal reason: his desire to preserve his own (and Spain’s) power. Based on this conclusion, you can then write a trial thesis statement to help you decide what material belongs in your paper.

Sometimes you won’t be able to find a focus or identify your “spin” or specific argument immediately. Like some writers, you might begin with a purpose statement just to get yourself going. A purpose statement is one or more sentences that announce your topic and indicate the structure of the paper but do not state the conclusions you have drawn . Thus, you might begin with something like this:

• This paper will look at modern language to see if it reflects male dominance or female oppression.
• I plan to analyze anger and derision in offensive language to see if they represent a challenge of society’s authority.

At some point, you can turn a purpose statement into a thesis statement. As you think and write about your topic, you can restrict, clarify, and refine your argument, crafting your thesis statement to reflect your thinking.

As you work on your thesis, remember to keep the rest of your paper in mind at all times. Sometimes your thesis needs to evolve as you develop new insights, find new evidence, or take a different approach to your topic.

Compose a draft thesis statement

If you are writing a paper that will have an argumentative thesis and are having trouble getting started, the techniques in the table below may help you develop a temporary or “working” thesis statement.

Begin with a purpose statement that you will later turn into a thesis statement.

Assignment: Discuss the history of the Reform Party and explain its influence on the 1990 presidential and Congressional election.

Purpose Statement: This paper briefly sketches the history of the grassroots, conservative, Perot-led Reform Party and analyzes how it influenced the economic and social ideologies of the two mainstream parties.

Question-to-Assertion

If your assignment asks a specific question(s), turn the question(s) into an assertion and give reasons why it is true or reasons for your opinion.

Assignment : What do Aylmer and Rappaccini have to be proud of? Why aren’t they satisfied with these things? How does pride, as demonstrated in “The Birthmark” and “Rappaccini’s Daughter,” lead to unexpected problems?

Beginning thesis statement: Alymer and Rappaccinni are proud of their great knowledge; however, they are also very greedy and are driven to use their knowledge to alter some aspect of nature as a test of their ability. Evil results when they try to “play God.”

Write a sentence that summarizes the main idea of the essay you plan to write.

Main idea: The reason some toys succeed in the market is that they appeal to the consumers’ sense of the ridiculous and their basic desire to laugh at themselves.

Make a list of the ideas that you want to include; consider the ideas and try to group them.

• nature = peaceful
• war matériel = violent (competes with 1?)
• need for time and space to mourn the dead
• war is inescapable (competes with 3?)

Use a formula to arrive at a working thesis statement (you will revise this later).

• although most readers of _______ have argued that _______, closer examination shows that _______.
• _______ uses _______ and _____ to prove that ________.
• phenomenon x is a result of the combination of __________, __________, and _________.

What to keep in mind as you draft an initial thesis statement

Beginning statements obtained through the methods illustrated above can serve as a framework for planning or drafting your paper, but remember they’re not yet the specific, argumentative thesis you want for the final version of your paper. In fact, in its first stages, a thesis statement usually is ill-formed or rough and serves only as a planning tool.

As you write, you may discover evidence that does not fit your temporary or “working” thesis. Or you may reach deeper insights about your topic as you do more research, and you will find that your thesis statement has to be more complicated to match the evidence that you want to use.

You must be willing to reject or omit some evidence in order to keep your paper cohesive and your reader focused. Or you may have to revise your thesis to match the evidence and insights that you want to discuss. Read your draft carefully, noting the conclusions you have drawn and the major ideas which support or prove those conclusions. These will be the elements of your final thesis statement.

Sometimes you will not be able to identify these elements in your early drafts, but as you consider how your argument is developing and how your evidence supports your main idea, ask yourself, “ What is the main point that I want to prove/discuss? ” and “ How will I convince the reader that this is true? ” When you can answer these questions, then you can begin to refine the thesis statement.

Refine and polish the thesis statement

To get to your final thesis, you’ll need to refine your draft thesis so that it’s specific and arguable.

• Ask if your draft thesis addresses the assignment
• Question each part of your draft thesis
• Clarify vague phrases and assertions
• Investigate alternatives to your draft thesis

Consult the example below for suggestions on how to refine your draft thesis statement.

Sample Assignment

Choose an activity and define it as a symbol of American culture. Your essay should cause the reader to think critically about the society which produces and enjoys that activity.

• Ask The phenomenon of drive-in facilities is an interesting symbol of american culture, and these facilities demonstrate significant characteristics of our society.This statement does not fulfill the assignment because it does not require the reader to think critically about society.

Drive-ins are an interesting symbol of American culture because they represent Americans’ significant creativity and business ingenuity.

Among the types of drive-in facilities familiar during the twentieth century, drive-in movie theaters best represent American creativity, not merely because they were the forerunner of later drive-ins and drive-throughs, but because of their impact on our culture: they changed our relationship to the automobile, changed the way people experienced movies, and changed movie-going into a family activity.

While drive-in facilities such as those at fast-food establishments, banks, pharmacies, and dry cleaners symbolize America’s economic ingenuity, they also have affected our personal standards.

While drive-in facilities such as those at fast- food restaurants, banks, pharmacies, and dry cleaners symbolize (1) Americans’ business ingenuity, they also have contributed (2) to an increasing homogenization of our culture, (3) a willingness to depersonalize relationships with others, and (4) a tendency to sacrifice quality for convenience.

This statement is now specific and fulfills all parts of the assignment. This version, like any good thesis, is not self-evident; its points, 1-4, will have to be proven with evidence in the body of the paper. The numbers in this statement indicate the order in which the points will be presented. Depending on the length of the paper, there could be one paragraph for each numbered item or there could be blocks of paragraph for even pages for each one.

Complete the final thesis statement

The bottom line.

As you move through the process of crafting a thesis, you’ll need to remember four things:

• Context matters! Think about your course materials and lectures. Try to relate your thesis to the ideas your instructor is discussing.
• As you go through the process described in this section, always keep your assignment in mind . You will be more successful when your thesis (and paper) responds to the assignment than if it argues a semi-related idea.
• Your thesis statement should be precise, focused, and contestable ; it should predict the sub-theses or blocks of information that you will use to prove your argument.
• Make sure that you keep the rest of your paper in mind at all times. Change your thesis as your paper evolves, because you do not want your thesis to promise more than your paper actually delivers.

In the beginning, the thesis statement was a tool to help you sharpen your focus, limit material and establish the paper’s purpose. When your paper is finished, however, the thesis statement becomes a tool for your reader. It tells the reader what you have learned about your topic and what evidence led you to your conclusion. It keeps the reader on track–well able to understand and appreciate your argument.

Writing Process and Structure

This is an accordion element with a series of buttons that open and close related content panels.

Getting Started with Your Paper

Interpreting Writing Assignments from Your Courses

Generating Ideas for

Creating an Argument

Thesis vs. Purpose Statements

Architecture of Arguments

Working with Sources

Quoting and Paraphrasing Sources

Using Literary Quotations

Citing Sources in Your Paper

Drafting Your Paper

Generating Ideas for Your Paper

Introductions

Paragraphing

Developing Strategic Transitions

Conclusions

Revising Your Paper

Peer Reviews

Reverse Outlines

Revising an Argumentative Paper

Revision Strategies for Longer Projects

Finishing Your Paper

Twelve Common Errors: An Editing Checklist

How to Proofread your Paper

Writing Collaboratively

Collaborative and Group Writing

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Calculate for all schools, your chance of acceptance.

Your chancing factors

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How to Write a Strong Thesis Statement: 4 Steps + Examples

What’s Covered:

What is the purpose of a thesis statement, writing a good thesis statement: 4 steps, common pitfalls to avoid, where to get your essay edited for free.

When you set out to write an essay, there has to be some kind of point to it, right? Otherwise, your essay would just be a big jumble of word salad that makes absolutely no sense. An essay needs a central point that ties into everything else. That main point is called a thesis statement, and it’s the core of any essay or research paper.

You may hear about Master degree candidates writing a thesis, and that is an entire paper–not to be confused with the thesis statement, which is typically one sentence that contains your paper’s focus. 

Read on to learn more about thesis statements and how to write them. We’ve also included some solid examples for you to reference.

Typically the last sentence of your introductory paragraph, the thesis statement serves as the roadmap for your essay. When your reader gets to the thesis statement, they should have a clear outline of your main point, as well as the information you’ll be presenting in order to either prove or support your point. 

The thesis statement should not be confused for a topic sentence , which is the first sentence of every paragraph in your essay. If you need help writing topic sentences, numerous resources are available. Topic sentences should go along with your thesis statement, though.

Since the thesis statement is the most important sentence of your entire essay or paper, it’s imperative that you get this part right. Otherwise, your paper will not have a good flow and will seem disjointed. That’s why it’s vital not to rush through developing one. It’s a methodical process with steps that you need to follow in order to create the best thesis statement possible.

Step 1: Decide what kind of paper you’re writing

When you’re assigned an essay, there are several different types you may get. Argumentative essays are designed to get the reader to agree with you on a topic. Informative or expository essays present information to the reader. Analytical essays offer up a point and then expand on it by analyzing relevant information. Thesis statements can look and sound different based on the type of paper you’re writing. For example:

• Argumentative: The United States needs a viable third political party to decrease bipartisanship, increase options, and help reduce corruption in government.
• Informative: The Libertarian party has thrown off elections before by gaining enough support in states to get on the ballot and by taking away crucial votes from candidates.
• Analytical: An analysis of past presidential elections shows that while third party votes may have been the minority, they did affect the outcome of the elections in 2020, 2016, and beyond.

Step 2: Figure out what point you want to make

Once you know what type of paper you’re writing, you then need to figure out the point you want to make with your thesis statement, and subsequently, your paper. In other words, you need to decide to answer a question about something, such as:

• What impact did reality TV have on American society?
• How has the musical Hamilton affected perception of American history?
• Why do I want to major in [chosen major here]?

If you have an argumentative essay, then you will be writing about an opinion. To make it easier, you may want to choose an opinion that you feel passionate about so that you’re writing about something that interests you. For example, if you have an interest in preserving the environment, you may want to choose a topic that relates to that. 

If you’re writing your college essay and they ask why you want to attend that school, you may want to have a main point and back it up with information, something along the lines of:

“Attending Harvard University would benefit me both academically and professionally, as it would give me a strong knowledge base upon which to build my career, develop my network, and hopefully give me an advantage in my chosen field.”

Step 3: Determine what information you’ll use to back up your point

Once you have the point you want to make, you need to figure out how you plan to back it up throughout the rest of your essay. Without this information, it will be hard to either prove or argue the main point of your thesis statement. If you decide to write about the Hamilton example, you may decide to address any falsehoods that the writer put into the musical, such as:

“The musical Hamilton, while accurate in many ways, leaves out key parts of American history, presents a nationalist view of founding fathers, and downplays the racism of the times.”

Once you’ve written your initial working thesis statement, you’ll then need to get information to back that up. For example, the musical completely leaves out Benjamin Franklin, portrays the founding fathers in a nationalist way that is too complimentary, and shows Hamilton as a staunch abolitionist despite the fact that his family likely did own slaves. 

Step 4: Revise and refine your thesis statement before you start writing

Read through your thesis statement several times before you begin to compose your full essay. You need to make sure the statement is ironclad, since it is the foundation of the entire paper. Edit it or have a peer review it for you to make sure everything makes sense and that you feel like you can truly write a paper on the topic. Once you’ve done that, you can then begin writing your paper.

When writing a thesis statement, there are some common pitfalls you should avoid so that your paper can be as solid as possible. Make sure you always edit the thesis statement before you do anything else. You also want to ensure that the thesis statement is clear and concise. Don’t make your reader hunt for your point. Finally, put your thesis statement at the end of the first paragraph and have your introduction flow toward that statement. Your reader will expect to find your statement in its traditional spot.

If you’re having trouble getting started, or need some guidance on your essay, there are tools available that can help you. CollegeVine offers a free peer essay review tool where one of your peers can read through your essay and provide you with valuable feedback. Getting essay feedback from a peer can help you wow your instructor or college admissions officer with an impactful essay that effectively illustrates your point.

Related CollegeVine Blog Posts

Thesis Statements

What this handout is about.

This handout describes what a thesis statement is, how thesis statements work in your writing, and how you can craft or refine one for your draft.

Introduction

Writing in college often takes the form of persuasion—convincing others that you have an interesting, logical point of view on the subject you are studying. Persuasion is a skill you practice regularly in your daily life. You persuade your roommate to clean up, your parents to let you borrow the car, your friend to vote for your favorite candidate or policy. In college, course assignments often ask you to make a persuasive case in writing. You are asked to convince your reader of your point of view. This form of persuasion, often called academic argument, follows a predictable pattern in writing. After a brief introduction of your topic, you state your point of view on the topic directly and often in one sentence. This sentence is the thesis statement, and it serves as a summary of the argument you’ll make in the rest of your paper.

What is a thesis statement?

A thesis statement:

• tells the reader how you will interpret the significance of the subject matter under discussion.
• is a road map for the paper; in other words, it tells the reader what to expect from the rest of the paper.
• directly answers the question asked of you. A thesis is an interpretation of a question or subject, not the subject itself. The subject, or topic, of an essay might be World War II or Moby Dick; a thesis must then offer a way to understand the war or the novel.
• makes a claim that others might dispute.
• is usually a single sentence near the beginning of your paper (most often, at the end of the first paragraph) that presents your argument to the reader. The rest of the paper, the body of the essay, gathers and organizes evidence that will persuade the reader of the logic of your interpretation.

If your assignment asks you to take a position or develop a claim about a subject, you may need to convey that position or claim in a thesis statement near the beginning of your draft. The assignment may not explicitly state that you need a thesis statement because your instructor may assume you will include one. When in doubt, ask your instructor if the assignment requires a thesis statement. When an assignment asks you to analyze, to interpret, to compare and contrast, to demonstrate cause and effect, or to take a stand on an issue, it is likely that you are being asked to develop a thesis and to support it persuasively. (Check out our handout on understanding assignments for more information.)

How do I create a thesis?

A thesis is the result of a lengthy thinking process. Formulating a thesis is not the first thing you do after reading an essay assignment. Before you develop an argument on any topic, you have to collect and organize evidence, look for possible relationships between known facts (such as surprising contrasts or similarities), and think about the significance of these relationships. Once you do this thinking, you will probably have a “working thesis” that presents a basic or main idea and an argument that you think you can support with evidence. Both the argument and your thesis are likely to need adjustment along the way.

Writers use all kinds of techniques to stimulate their thinking and to help them clarify relationships or comprehend the broader significance of a topic and arrive at a thesis statement. For more ideas on how to get started, see our handout on brainstorming .

How do I know if my thesis is strong?

If there’s time, run it by your instructor or make an appointment at the Writing Center to get some feedback. Even if you do not have time to get advice elsewhere, you can do some thesis evaluation of your own. When reviewing your first draft and its working thesis, ask yourself the following :

• Do I answer the question? Re-reading the question prompt after constructing a working thesis can help you fix an argument that misses the focus of the question. If the prompt isn’t phrased as a question, try to rephrase it. For example, “Discuss the effect of X on Y” can be rephrased as “What is the effect of X on Y?”
• Have I taken a position that others might challenge or oppose? If your thesis simply states facts that no one would, or even could, disagree with, it’s possible that you are simply providing a summary, rather than making an argument.
• Is my thesis statement specific enough? Thesis statements that are too vague often do not have a strong argument. If your thesis contains words like “good” or “successful,” see if you could be more specific: why is something “good”; what specifically makes something “successful”?
• Does my thesis pass the “So what?” test? If a reader’s first response is likely to  be “So what?” then you need to clarify, to forge a relationship, or to connect to a larger issue.
• Does my essay support my thesis specifically and without wandering? If your thesis and the body of your essay do not seem to go together, one of them has to change. It’s okay to change your working thesis to reflect things you have figured out in the course of writing your paper. Remember, always reassess and revise your writing as necessary.
• Does my thesis pass the “how and why?” test? If a reader’s first response is “how?” or “why?” your thesis may be too open-ended and lack guidance for the reader. See what you can add to give the reader a better take on your position right from the beginning.

Suppose you are taking a course on contemporary communication, and the instructor hands out the following essay assignment: “Discuss the impact of social media on public awareness.” Looking back at your notes, you might start with this working thesis:

Social media impacts public awareness in both positive and negative ways.

You can use the questions above to help you revise this general statement into a stronger thesis.

• Do I answer the question? You can analyze this if you rephrase “discuss the impact” as “what is the impact?” This way, you can see that you’ve answered the question only very generally with the vague “positive and negative ways.”
• Have I taken a position that others might challenge or oppose? Not likely. Only people who maintain that social media has a solely positive or solely negative impact could disagree.
• Is my thesis statement specific enough? No. What are the positive effects? What are the negative effects?
• Does my thesis pass the “how and why?” test? No. Why are they positive? How are they positive? What are their causes? Why are they negative? How are they negative? What are their causes?
• Does my thesis pass the “So what?” test? No. Why should anyone care about the positive and/or negative impact of social media?

After thinking about your answers to these questions, you decide to focus on the one impact you feel strongly about and have strong evidence for:

Because not every voice on social media is reliable, people have become much more critical consumers of information, and thus, more informed voters.

This version is a much stronger thesis! It answers the question, takes a specific position that others can challenge, and it gives a sense of why it matters.

Let’s try another. Suppose your literature professor hands out the following assignment in a class on the American novel: Write an analysis of some aspect of Mark Twain’s novel Huckleberry Finn. “This will be easy,” you think. “I loved Huckleberry Finn!” You grab a pad of paper and write:

Mark Twain’s Huckleberry Finn is a great American novel.

You begin to analyze your thesis:

• Do I answer the question? No. The prompt asks you to analyze some aspect of the novel. Your working thesis is a statement of general appreciation for the entire novel.

Think about aspects of the novel that are important to its structure or meaning—for example, the role of storytelling, the contrasting scenes between the shore and the river, or the relationships between adults and children. Now you write:

In Huckleberry Finn, Mark Twain develops a contrast between life on the river and life on the shore.

• Do I answer the question? Yes!
• Have I taken a position that others might challenge or oppose? Not really. This contrast is well-known and accepted.
• Is my thesis statement specific enough? It’s getting there–you have highlighted an important aspect of the novel for investigation. However, it’s still not clear what your analysis will reveal.
• Does my thesis pass the “how and why?” test? Not yet. Compare scenes from the book and see what you discover. Free write, make lists, jot down Huck’s actions and reactions and anything else that seems interesting.
• Does my thesis pass the “So what?” test? What’s the point of this contrast? What does it signify?”

After examining the evidence and considering your own insights, you write:

Through its contrasting river and shore scenes, Twain’s Huckleberry Finn suggests that to find the true expression of American democratic ideals, one must leave “civilized” society and go back to nature.

This final thesis statement presents an interpretation of a literary work based on an analysis of its content. Of course, for the essay itself to be successful, you must now present evidence from the novel that will convince the reader of your interpretation.

Works consulted

We consulted these works while writing this handout. This is not a comprehensive list of resources on the handout’s topic, and we encourage you to do your own research to find additional publications. Please do not use this list as a model for the format of your own reference list, as it may not match the citation style you are using. For guidance on formatting citations, please see the UNC Libraries citation tutorial . We revise these tips periodically and welcome feedback.

Anson, Chris M., and Robert A. Schwegler. 2010. The Longman Handbook for Writers and Readers , 6th ed. New York: Longman.

Lunsford, Andrea A. 2015. The St. Martin’s Handbook , 8th ed. Boston: Bedford/St Martin’s.

Ramage, John D., John C. Bean, and June Johnson. 2018. The Allyn & Bacon Guide to Writing , 8th ed. New York: Pearson.

Ruszkiewicz, John J., Christy Friend, Daniel Seward, and Maxine Hairston. 2010. The Scott, Foresman Handbook for Writers , 9th ed. Boston: Pearson Education.

You may reproduce it for non-commercial use if you use the entire handout and attribute the source: The Writing Center, University of North Carolina at Chapel Hill

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How to write a thesis statement, what is a thesis statement.

Almost all of us—even if we don’t do it consciously—look early in an essay for a one- or two-sentence condensation of the argument or analysis that is to follow. We refer to that condensation as a thesis statement.

Why Should Your Essay Contain a Thesis Statement?

• to test your ideas by distilling them into a sentence or two
• to better organize and develop your argument
• to provide your reader with a “guide” to your argument

In general, your thesis statement will accomplish these goals if you think of the thesis as the answer to the question your paper explores.

How Can You Write a Good Thesis Statement?

Here are some helpful hints to get you started. You can either scroll down or select a link to a specific topic.

How to Generate a Thesis Statement if the Topic is Assigned How to Generate a Thesis Statement if the Topic is not Assigned How to Tell a Strong Thesis Statement from a Weak One

How to Generate a Thesis Statement if the Topic is Assigned

Almost all assignments, no matter how complicated, can be reduced to a single question. Your first step, then, is to distill the assignment into a specific question. For example, if your assignment is, “Write a report to the local school board explaining the potential benefits of using computers in a fourth-grade class,” turn the request into a question like, “What are the potential benefits of using computers in a fourth-grade class?” After you’ve chosen the question your essay will answer, compose one or two complete sentences answering that question.

Q: “What are the potential benefits of using computers in a fourth-grade class?” A: “The potential benefits of using computers in a fourth-grade class are . . .”

A: “Using computers in a fourth-grade class promises to improve . . .”

The answer to the question is the thesis statement for the essay.

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How to Generate a Thesis Statement if the Topic is not Assigned

Even if your assignment doesn’t ask a specific question, your thesis statement still needs to answer a question about the issue you’d like to explore. In this situation, your job is to figure out what question you’d like to write about.

A good thesis statement will usually include the following four attributes:

• take on a subject upon which reasonable people could disagree
• deal with a subject that can be adequately treated given the nature of the assignment
• express one main idea
• assert your conclusions about a subject

Let’s see how to generate a thesis statement for a social policy paper.

Brainstorm the topic . Let’s say that your class focuses upon the problems posed by changes in the dietary habits of Americans. You find that you are interested in the amount of sugar Americans consume.

You start out with a thesis statement like this:

Sugar consumption.

This fragment isn’t a thesis statement. Instead, it simply indicates a general subject. Furthermore, your reader doesn’t know what you want to say about sugar consumption.

Narrow the topic . Your readings about the topic, however, have led you to the conclusion that elementary school children are consuming far more sugar than is healthy.

You change your thesis to look like this:

Reducing sugar consumption by elementary school children.

This fragment not only announces your subject, but it focuses on one segment of the population: elementary school children. Furthermore, it raises a subject upon which reasonable people could disagree, because while most people might agree that children consume more sugar than they used to, not everyone would agree on what should be done or who should do it. You should note that this fragment is not a thesis statement because your reader doesn’t know your conclusions on the topic.

Take a position on the topic. After reflecting on the topic a little while longer, you decide that what you really want to say about this topic is that something should be done to reduce the amount of sugar these children consume.

You revise your thesis statement to look like this:

More attention should be paid to the food and beverage choices available to elementary school children.

This statement asserts your position, but the terms more attention and food and beverage choices are vague.

Use specific language . You decide to explain what you mean about food and beverage choices , so you write:

Experts estimate that half of elementary school children consume nine times the recommended daily allowance of sugar.

This statement is specific, but it isn’t a thesis. It merely reports a statistic instead of making an assertion.

Make an assertion based on clearly stated support. You finally revise your thesis statement one more time to look like this:

Because half of all American elementary school children consume nine times the recommended daily allowance of sugar, schools should be required to replace the beverages in soda machines with healthy alternatives.

Notice how the thesis answers the question, “What should be done to reduce sugar consumption by children, and who should do it?” When you started thinking about the paper, you may not have had a specific question in mind, but as you became more involved in the topic, your ideas became more specific. Your thesis changed to reflect your new insights.

How to Tell a Strong Thesis Statement from a Weak One

1. a strong thesis statement takes some sort of stand..

Remember that your thesis needs to show your conclusions about a subject. For example, if you are writing a paper for a class on fitness, you might be asked to choose a popular weight-loss product to evaluate. Here are two thesis statements:

There are some negative and positive aspects to the Banana Herb Tea Supplement.

This is a weak thesis statement. First, it fails to take a stand. Second, the phrase negative and positive aspects is vague.

Because Banana Herb Tea Supplement promotes rapid weight loss that results in the loss of muscle and lean body mass, it poses a potential danger to customers.

This is a strong thesis because it takes a stand, and because it's specific.

2. A strong thesis statement justifies discussion.

Your thesis should indicate the point of the discussion. If your assignment is to write a paper on kinship systems, using your own family as an example, you might come up with either of these two thesis statements:

My family is an extended family.

This is a weak thesis because it merely states an observation. Your reader won’t be able to tell the point of the statement, and will probably stop reading.

While most American families would view consanguineal marriage as a threat to the nuclear family structure, many Iranian families, like my own, believe that these marriages help reinforce kinship ties in an extended family.

This is a strong thesis because it shows how your experience contradicts a widely-accepted view. A good strategy for creating a strong thesis is to show that the topic is controversial. Readers will be interested in reading the rest of the essay to see how you support your point.

3. A strong thesis statement expresses one main idea.

Readers need to be able to see that your paper has one main point. If your thesis statement expresses more than one idea, then you might confuse your readers about the subject of your paper. For example:

Companies need to exploit the marketing potential of the Internet, and Web pages can provide both advertising and customer support.

This is a weak thesis statement because the reader can’t decide whether the paper is about marketing on the Internet or Web pages. To revise the thesis, the relationship between the two ideas needs to become more clear. One way to revise the thesis would be to write:

Because the Internet is filled with tremendous marketing potential, companies should exploit this potential by using Web pages that offer both advertising and customer support.

This is a strong thesis because it shows that the two ideas are related. Hint: a great many clear and engaging thesis statements contain words like because , since , so , although , unless , and however .

4. A strong thesis statement is specific.

A thesis statement should show exactly what your paper will be about, and will help you keep your paper to a manageable topic. For example, if you're writing a seven-to-ten page paper on hunger, you might say:

World hunger has many causes and effects.

This is a weak thesis statement for two major reasons. First, world hunger can’t be discussed thoroughly in seven to ten pages. Second, many causes and effects is vague. You should be able to identify specific causes and effects. A revised thesis might look like this:

Hunger persists in Glandelinia because jobs are scarce and farming in the infertile soil is rarely profitable.

This is a strong thesis statement because it narrows the subject to a more specific and manageable topic, and it also identifies the specific causes for the existence of hunger.

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Writing a Paper: Thesis Statements

Basics of thesis statements.

The thesis statement is the brief articulation of your paper's central argument and purpose. You might hear it referred to as simply a "thesis." Every scholarly paper should have a thesis statement, and strong thesis statements are concise, specific, and arguable. Concise means the thesis is short: perhaps one or two sentences for a shorter paper. Specific means the thesis deals with a narrow and focused topic, appropriate to the paper's length. Arguable means that a scholar in your field could disagree (or perhaps already has!).

Strong thesis statements address specific intellectual questions, have clear positions, and use a structure that reflects the overall structure of the paper. Read on to learn more about constructing a strong thesis statement.

Being Specific

This thesis statement has no specific argument:

Needs Improvement: In this essay, I will examine two scholarly articles to find similarities and differences.

This statement is concise, but it is neither specific nor arguable—a reader might wonder, "Which scholarly articles? What is the topic of this paper? What field is the author writing in?" Additionally, the purpose of the paper—to "examine…to find similarities and differences" is not of a scholarly level. Identifying similarities and differences is a good first step, but strong academic argument goes further, analyzing what those similarities and differences might mean or imply.

Better: In this essay, I will argue that Bowler's (2003) autocratic management style, when coupled with Smith's (2007) theory of social cognition, can reduce the expenses associated with employee turnover.

The new revision here is still concise, as well as specific and arguable.  We can see that it is specific because the writer is mentioning (a) concrete ideas and (b) exact authors.  We can also gather the field (business) and the topic (management and employee turnover). The statement is arguable because the student goes beyond merely comparing; he or she draws conclusions from that comparison ("can reduce the expenses associated with employee turnover").

Making a Unique Argument

This thesis draft repeats the language of the writing prompt without making a unique argument:

Needs Improvement: The purpose of this essay is to monitor, assess, and evaluate an educational program for its strengths and weaknesses. Then, I will provide suggestions for improvement.

You can see here that the student has simply stated the paper's assignment, without articulating specifically how he or she will address it. The student can correct this error simply by phrasing the thesis statement as a specific answer to the assignment prompt.

Better: Through a series of student interviews, I found that Kennedy High School's antibullying program was ineffective. In order to address issues of conflict between students, I argue that Kennedy High School should embrace policies outlined by the California Department of Education (2010).

Words like "ineffective" and "argue" show here that the student has clearly thought through the assignment and analyzed the material; he or she is putting forth a specific and debatable position. The concrete information ("student interviews," "antibullying") further prepares the reader for the body of the paper and demonstrates how the student has addressed the assignment prompt without just restating that language.

Creating a Debate

This thesis statement includes only obvious fact or plot summary instead of argument:

Needs Improvement: Leadership is an important quality in nurse educators.

A good strategy to determine if your thesis statement is too broad (and therefore, not arguable) is to ask yourself, "Would a scholar in my field disagree with this point?" Here, we can see easily that no scholar is likely to argue that leadership is an unimportant quality in nurse educators.  The student needs to come up with a more arguable claim, and probably a narrower one; remember that a short paper needs a more focused topic than a dissertation.

Better: Roderick's (2009) theory of participatory leadership  is particularly appropriate to nurse educators working within the emergency medicine field, where students benefit most from collegial and kinesthetic learning.

Here, the student has identified a particular type of leadership ("participatory leadership"), narrowing the topic, and has made an arguable claim (this type of leadership is "appropriate" to a specific type of nurse educator). Conceivably, a scholar in the nursing field might disagree with this approach. The student's paper can now proceed, providing specific pieces of evidence to support the arguable central claim.

Choosing the Right Words

This thesis statement uses large or scholarly-sounding words that have no real substance:

Needs Improvement: Scholars should work to seize metacognitive outcomes by harnessing discipline-based networks to empower collaborative infrastructures.

There are many words in this sentence that may be buzzwords in the student's field or key terms taken from other texts, but together they do not communicate a clear, specific meaning. Sometimes students think scholarly writing means constructing complex sentences using special language, but actually it's usually a stronger choice to write clear, simple sentences. When in doubt, remember that your ideas should be complex, not your sentence structure.

Better: Ecologists should work to educate the U.S. public on conservation methods by making use of local and national green organizations to create a widespread communication plan.

Notice in the revision that the field is now clear (ecology), and the language has been made much more field-specific ("conservation methods," "green organizations"), so the reader is able to see concretely the ideas the student is communicating.

Leaving Room for Discussion

This thesis statement is not capable of development or advancement in the paper:

Needs Improvement: There are always alternatives to illegal drug use.

This sample thesis statement makes a claim, but it is not a claim that will sustain extended discussion. This claim is the type of claim that might be appropriate for the conclusion of a paper, but in the beginning of the paper, the student is left with nowhere to go. What further points can be made? If there are "always alternatives" to the problem the student is identifying, then why bother developing a paper around that claim? Ideally, a thesis statement should be complex enough to explore over the length of the entire paper.

Better: The most effective treatment plan for methamphetamine addiction may be a combination of pharmacological and cognitive therapy, as argued by Baker (2008), Smith (2009), and Xavier (2011).

In the revised thesis, you can see the student make a specific, debatable claim that has the potential to generate several pages' worth of discussion. When drafting a thesis statement, think about the questions your thesis statement will generate: What follow-up inquiries might a reader have? In the first example, there are almost no additional questions implied, but the revised example allows for a good deal more exploration.

Thesis Mad Libs

If you are having trouble getting started, try using the models below to generate a rough model of a thesis statement! These models are intended for drafting purposes only and should not appear in your final work.

• In this essay, I argue ____, using ______ to assert _____.
• While scholars have often argued ______, I argue______, because_______.
• Through an analysis of ______, I argue ______, which is important because_______.

Words to Avoid and to Embrace

When drafting your thesis statement, avoid words like explore, investigate, learn, compile, summarize , and explain to describe the main purpose of your paper. These words imply a paper that summarizes or "reports," rather than synthesizing and analyzing.

Instead of the terms above, try words like argue, critique, question , and interrogate . These more analytical words may help you begin strongly, by articulating a specific, critical, scholarly position.

Read Kayla's blog post for tips on taking a stand in a well-crafted thesis statement.

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Research Paper: A step-by-step guide: 3. Thesis Statement & Outline

• 1. Getting Started
• 2. Topic Ideas
• 3. Thesis Statement & Outline
• 4. Appropriate Sources
• 5. Search Techniques
• 6. Taking Notes & Documenting Sources
• 7. Evaluating Sources
• 8. Citations & Plagiarism
• 9. Writing Your Research Paper

About Thesis Statements

Qualities of a thesis statement.

Thesis statements:

• state the subject matter and main ideas of a paper.
• appear in the first paragraph and announces what you will discuss in your paper.
• define the scope and focus of your essay, and tells your reader what to expect.  
• are not a simple factual statement.  It is an assertion that states your claims and that you can prove with evidence.
• should be the product of research and your own critical thinking.
• can be very helpful in constructing an outline for your essay; for each point you make, ask yourself whether it is relevant to the thesis.

Steps you can use to create a thesis statement

1. Start out with the main topic and focus of your essay.

youth gangs + prevention and intervention programs

2. Make a claim or argument in one sentence.  It can be helpful to start with a question which you then turn into an argument

Can prevention and intervention programs stop youth gang activities?  How?  ►►►  "Prevention and intervention programs can stop youth gang activities by giving teens something else to do."

3. Revise the sentence by using specific terms.

"Early prevention programs in schools are the most effective way to prevent youth gang involvement by giving teens good activities that offer a path to success."

4. Further revise the sentence to cover the scope of your essay and make a strong statement.

"Among various prevention and intervention efforts that have been made to deal with the rapid growth of youth gangs, early school-based prevention programs are the most effective way to prevent youth gang involvement, which they do by giving teens meaningful activities that offer pathways to achievement and success."

5. Keep your thesis statement flexible and revise it as needed. In the process of researching and writing, you may find new information or refine your understanding of the topic.

You can view this short video for more tips on how to write a clear thesis statement.

An outline is the skeleton of your essay, in which you list the arguments and subtopics in a logical order. A good outline is an important element in writing a good paper. An outline helps to target your research areas, keep you within the scope without going off-track, and it can also help to keep your argument in good order when writing the essay.  Once your outline is in good shape, it is much easier to write your paper; you've already done most of the thinking, so you just need to fill in the outline with a paragraph for each point.

To write an outline: The most common way to write an outline is the list format.  List all the major topics and subtopics with the key points that support them. Put similar topics and points together and arrange them in a logical order.    Include an introduction, a body, and a conclusion. 

A list outline should arrange the main points or arguments in a hierarchical structure indicated by Roman numerals for main ideas (I, II, III...), capital letters for subtopics (A, B, C...), Arabic numerals for details (1,2,3...), and lower-case letters for fine details if needed (a,b,c...). This helps keep things organized.  

Here is a shortened example of an outline:

Introduction: background and thesis statement

I. First topic

1. Supporting evidence 2. Supporting evidence

II. Second Topic

III. Third Topic

I. Summarize the main points of your paper II. Restate your thesis in different words III. Make a strong final statement

You can see examples of a few different kinds of outlines and get more help at the Purdue OWL .

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• Next: 4. Appropriate Sources >>
• Last Updated: Apr 18, 2023 12:12 PM
• URL: https://butte.libguides.com/ResearchPaper

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How To Write A Thesis Statement | Essay Writing Part 1 [2022 UPDATE]

Guide Chapters

• 1. Thesis statement
• 2. Introduction structure
• 3. Topic sentence
• 4. Body paragraph structure
• 5. Conclusion

This post, How to Write a Thesis Statement, is the first post in our 5 part Essay Writing Series. In this series, we will break essay writing into a series of parts and solve some commonly asked questions to give you the tools to write consistent essays.

Some common questions about essay structure are:

What is a thesis statement?

• What does a thesis statement do?
• Is the thesis statement important?
• How do I write a good thesis statement?

In this post, we’ll give you an overview of essay structure and explain why a thesis statement is important for your essay. We’ll then give you a step-by-step guide for writing a Band 6 thesis.

Table of Contents

• Essay Structure
• What is a thesis statement
• 1. Underline key words in the question
• 2. Note down relevant topics/themes
• 3. Decide on the argument you want to present in your thesis statement
• 4. Turn that argument into a thesis statement

Common mistakes that students make in their thesis statements

What should you do instead, essential essay structure: how to write a thesis statement | essay writing part 1.

Learning how to write a good essay is something developed through practice and logic, not innate skill or talent. Anybody can write a good essay with practice and instruction.

In this series of posts, we will show you some of the skills that Matrix students use as they learn to write Band 6 responses. First, we will learn about the structure of an essay, and then we will look at why the thesis is the solid foundation on which we build our argument.

What is Essay Structure?

Essay structure is the logical sequencing of information we use when composing a written argument. When you break it down, essay writing is actually a fairly straightforward process.

• Introduce your main argument ( thesis )
• Explain the key 2 or 3 ideas ( themes ) that will support your main argument
• Explain how these ideas fit together logically
• Introduce a specific idea
• Present evidence that supports your idea
• Connect this idea to your main argument
• Repeat these ‘2. Body Paragraph’ steps for the other ideas that support your main argument
• Restate your argument
• Make a concluding statement

When you break essay writing down into a process, it becomes straightforward and systematic.

We can take the process of essay writing and look at it in a diagram:

In this post, we will look at the first step of this process. The thesis statement.

Let’s have a look at what it does.

Last chance to finesse your thesis statement writing!

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The thesis is the foundation of your essay. It structures your argument. Having a good thesis is essential to getting a Band 6 result, regardless of what module or level of English you are doing.

Your thesis needs to be concise, but also answer the question. It must introduce an idea that you can readily repeat throughout your essay so that your reader is constantly aware of what you are arguing.

Now we know what a thesis is and how it functions within an essay, let’s look at a step-by-step process for writing one!

How to write a thesis statement – A step-by-step guide

We’ll now look at the process for writing a thesis statement. To do so, we will use a HSC question as an example and develop it throughout this series.

Step 1: Underline key words in the question

You need to properly address the question to score a Band 6. Underlining key words in the question will take less than a minute and give your essay clear direction.

Let’s look at how we would annotate the 2021 HSC question for the Common Module:

Analyse how your prescribed text represents the ways individuals respond to the challenges they face.

Step 2: Note down relevant topics/themes

Now that you know the key points that the question wants you to discuss, you can jot down relevant topics/themes from your prescribed you’d want to discuss in your essay.

Step 3: Decide on the argument you want to present in your thesis statement

Your argument is essentially your super passionate response to the question. It’s subjective and opinionated, which is why you need a whole essay to try to convince your marker that you are right.

You don’t have to use fancy wording to get your point across. Write it how you would say it in a conversation; this step is for you to know what you are going to spend the next 40 minutes writing furiously about.

Be strategic about it. Pick a stance that:

• You can back up with evidence — if you can’t remember any quotes from the text that support your argument, you probably want to quietly come up with a different argument that you can confidently discuss.
• Aligns the module statement — a lot of really smart people spent a long time coming up with the module statements, so you’ll probably have a hard time arguing that individuals don’t have experiences or responses to challenges. If you want to flex your creative side, do that in your nuanced analysis of the textual evidence, instead of blatantly rejecting everything your teachers spent an entire year teaching you.

You don’t necessarily have to personally believe that your argument is true. You can play devil’s advocate or be overly pessimistic if you think that’s the easiest route to take.

Here’s an example of an argument that you can make in response to the 2021 HSC  Common Module question:

“Even though everyone responds to challenges in different ways, at the end of the day, we all selfishly prioritise our own needs and safety before anyone else.”

It’s a very drastic and upsetting thing to believe, but you can see how we could effectively use evidence from Nineteen Eighty-Four to prove it.

Step 4: Turn that argument into a thesis statement

Now that you know exactly what your overarching argument is going to be, you can write a thesis statement from that. To turn your argument into a thesis statement, you need to:

• Specify details relevant to the themes in your prescribed text
• Be as concise as possible
• Avoid using first or second-person language

Don’t write the 94851 th essay that your marker has to read with these mistakes.

Mistake 1: Repeating the question

The most common error when composing thesis statements is repeating the question.

As senior students, you are expected to analyse the question and construct a personal and logical response to it. Repeating the question back at the marker as a thesis statement does not demonstrate an understanding of the question, module, or text. Instead, such a response demonstrates that you have a limited understanding of both.

Let’s look at the 2021 HSC question for Module A:

How do the extracts provided contribute to a broader textual conversation between the pair of prescribed texts that you have studied in Module A?

You can find the extracts the question refers to here .

We’ve written examples for the prescribed texts The Tempest and Hag-Seed .

Mistake 2: Using uncertain terms

Don’t be vague or use low modality words and expressions in your thesis.

Students have it drilled into them that “they know nothing” or “don’t have the experience” to say things with certainty. This is said to stop students making broad sweeping statements about human existence or genres of writing, but it must not apply to your understanding of the text.

Let’s have a look at the 2020 HSC Module A question to see what we mean:

In textual conversations, the later text is often seen as a shadow, lacking the originality and power of the earlier.

To what extent is this statement true of the two prescribed texts you have studied in Module A?

A common thesis mistake was to state something along the lines of:

“Margaret Edson’s play ‘W;t’ (1995) may appear to merely echo the concepts John Donne explores in his poems. However, her play could be also seen as nuanced commentary of Donne’s poetry that creates a highly engaging textual conversation about the death, separation and salvation of one’s physical and mental being.”

This statement uses the verb “could” which lacks certainty. You want to avoid verbs like “may,” “might,” or “could” , or replace them with verbs like “will,” “does,” and “shall” that have high-modality or high certainty.

 People are more inclined to give credibility to assertive and confident voices.  This is why the following thesis statement sounds so authoritative:

“It would be grossly unfair to say that Margaret Edson’s later play ‘W;t’ (1995) merely echoes the concepts that John Donne explores in his poems. In fact, Edson’s nuanced commentary of Donne’s poetry creates a highly engaging textual conversation about the death, separation and salvation of one’s physical and mental being.”

Mistake 3: Trying to fit it all in one sentence when it really doesn’t fit

The term thesis statement can be misleading. We hear “statement” and we often think “sentence.” The two words are not synonymous, though. It is far better to use an extra sentence to add detail to your sentence rather than stubbornly pack it into one. You need to explain the logic of your argument in a thesis, not just outline an argument.

Compare these two thesis statements:

“The storytelling of narratives that have been denied or repressed leads individuals to reconsider their knowledge of things.”

“The storytelling of narratives that have been denied or repressed profoundly impacts an individual’s perspective of society. The process of uncovering these stories compels individuals to reassess the political regime they live in and adjust their understanding of truth in their world.”

The second thesis is obviously better, but why?

The first thesis statement is competent, but it does not help the marker into your understanding of the module or the question. By splitting the statement over two sentences in the second example, we detail the logic of our argument. The second statement explains how the process of storytelling works, rather than merely noting that it occurs. 

Mistake 4: Not answering the question asked

Too often students will write the thesis they have prepared and not the one that responds to the question they have been given. This is common amongst students who prefer to write “generic” essays and “mould” them to suit a question.

Let’s consider the 2021 HSC question for Module B:

‘Literature forces us to ask questions and look for answers. Even if those answers do not exist.’

To what extent is this true?

In your response, make close reference to your prescribed text.

One of the key things to note is that this question asks you ‘ To what extent is this [statement] true’. You can answer that in a range of ways:

1. The statement is completely true

2. The statement is completely false

3. The statement is partly true

In an exam, you usually won’t have enough time to write out all the different stances you could make to address the question. However, at the very least, you should dedicate a minute to annotating parts of the question that you agree and disagree with, and think about how you can use the evidence you remember to support your thesis.

You have already got off to a good start by going through these steps to writing a thesis statement. From here, it’s all about practice and making sure you don’t let down your fabulous thesis statement with the rest of your essay.

Tip 1: Practice

Essay writing is a skill that develops the same way as juggling a soccer ball or playing the panpipes. You will not become adept unless you invest many hours writing and rewriting responses to a variety of questions.

If you want to learn how to produce that killer thesis go to the NESA website  and work your way through their practice questions until you’re an expert.

Tip 2: Learn how to write a thematic framework

Now you’ve got a thesis, you need to use it to structure an essay. The next step is to choose the themes that you will discuss and introduce them to your reader.

How to Structure Your Essay Introduction | Essay Writing Part 2

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25 Thesis Statement Examples

Chris Drew (PhD)

Dr. Chris Drew is the founder of the Helpful Professor. He holds a PhD in education and has published over 20 articles in scholarly journals. He is the former editor of the Journal of Learning Development in Higher Education. [Image Descriptor: Photo of Chris]

Learn about our Editorial Process

A thesis statement is needed in an essay or dissertation . There are multiple types of thesis statements – but generally we can divide them into expository and argumentative. An expository statement is a statement of fact (common in expository essays and process essays) while an argumentative statement is a statement of opinion (common in argumentative essays and dissertations). Below are examples of each.

Strong Thesis Statement Examples

1. School Uniforms

“Mandatory school uniforms should be implemented in educational institutions as they promote a sense of equality, reduce distractions, and foster a focused and professional learning environment.”

Best For: Argumentative Essay or Debate

Read More: School Uniforms Pros and Cons

2. Nature vs Nurture

“This essay will explore how both genetic inheritance and environmental factors equally contribute to shaping human behavior and personality.”

Best For: Compare and Contrast Essay

Read More: Nature vs Nurture Debate

3. American Dream

“The American Dream, a symbol of opportunity and success, is increasingly elusive in today’s socio-economic landscape, revealing deeper inequalities in society.”

Best For: Persuasive Essay

Read More: What is the American Dream?

4. Social Media

“Social media has revolutionized communication and societal interactions, but it also presents significant challenges related to privacy, mental health, and misinformation.”

Best For: Expository Essay

Read More: The Pros and Cons of Social Media

5. Globalization

“Globalization has created a world more interconnected than ever before, yet it also amplifies economic disparities and cultural homogenization.”

Read More: Globalization Pros and Cons

6. Urbanization

“Urbanization drives economic growth and social development, but it also poses unique challenges in sustainability and quality of life.”

Read More: Learn about Urbanization

7. Immigration

“Immigration enriches receiving countries culturally and economically, outweighing any perceived social or economic burdens.”

Read More: Immigration Pros and Cons

8. Cultural Identity

“In a globalized world, maintaining distinct cultural identities is crucial for preserving cultural diversity and fostering global understanding, despite the challenges of assimilation and homogenization.”

Best For: Argumentative Essay

Read More: Learn about Cultural Identity

9. Technology

“Medical technologies in care institutions in Toronto has increased subjcetive outcomes for patients with chronic pain.”

Best For: Research Paper

10. Capitalism vs Socialism

“The debate between capitalism and socialism centers on balancing economic freedom and inequality, each presenting distinct approaches to resource distribution and social welfare.”

11. Cultural Heritage

“The preservation of cultural heritage is essential, not only for cultural identity but also for educating future generations, outweighing the arguments for modernization and commercialization.”

12. Pseudoscience

“Pseudoscience, characterized by a lack of empirical support, continues to influence public perception and decision-making, often at the expense of scientific credibility.”

Read More: Examples of Pseudoscience

13. Free Will

“The concept of free will is largely an illusion, with human behavior and decisions predominantly determined by biological and environmental factors.”

Read More: Do we have Free Will?

14. Gender Roles

“Traditional gender roles are outdated and harmful, restricting individual freedoms and perpetuating gender inequalities in modern society.”

Read More: What are Traditional Gender Roles?

15. Work-Life Ballance

“The trend to online and distance work in the 2020s led to improved subjective feelings of work-life balance but simultaneously increased self-reported loneliness.”

Read More: Work-Life Balance Examples

16. Universal Healthcare

“Universal healthcare is a fundamental human right and the most effective system for ensuring health equity and societal well-being, outweighing concerns about government involvement and costs.”

Read More: The Pros and Cons of Universal Healthcare

17. Minimum Wage

“The implementation of a fair minimum wage is vital for reducing economic inequality, yet it is often contentious due to its potential impact on businesses and employment rates.”

Read More: The Pros and Cons of Raising the Minimum Wage

18. Homework

“The homework provided throughout this semester has enabled me to achieve greater self-reflection, identify gaps in my knowledge, and reinforce those gaps through spaced repetition.”

Best For: Reflective Essay

Read More: Reasons Homework Should be Banned

19. Charter Schools

“Charter schools offer alternatives to traditional public education, promising innovation and choice but also raising questions about accountability and educational equity.”

Read More: The Pros and Cons of Charter Schools

20. Effects of the Internet

“The Internet has drastically reshaped human communication, access to information, and societal dynamics, generally with a net positive effect on society.”

Read More: The Pros and Cons of the Internet

21. Affirmative Action

“Affirmative action is essential for rectifying historical injustices and achieving true meritocracy in education and employment, contrary to claims of reverse discrimination.”

Best For: Essay

Read More: Affirmative Action Pros and Cons

22. Soft Skills

“Soft skills, such as communication and empathy, are increasingly recognized as essential for success in the modern workforce, and therefore should be a strong focus at school and university level.”

Read More: Soft Skills Examples

23. Moral Panic

“Moral panic, often fueled by media and cultural anxieties, can lead to exaggerated societal responses that sometimes overlook rational analysis and evidence.”

Read More: Moral Panic Examples

24. Freedom of the Press

“Freedom of the press is critical for democracy and informed citizenship, yet it faces challenges from censorship, media bias, and the proliferation of misinformation.”

Read More: Freedom of the Press Examples

25. Mass Media

“Mass media shapes public opinion and cultural norms, but its concentration of ownership and commercial interests raise concerns about bias and the quality of information.”

Best For: Critical Analysis

Read More: Mass Media Examples

Checklist: How to use your Thesis Statement

✅ Position: If your statement is for an argumentative or persuasive essay, or a dissertation, ensure it takes a clear stance on the topic. ✅ Specificity: It addresses a specific aspect of the topic, providing focus for the essay. ✅ Conciseness: Typically, a thesis statement is one to two sentences long. It should be concise, clear, and easily identifiable. ✅ Direction: The thesis statement guides the direction of the essay, providing a roadmap for the argument, narrative, or explanation. ✅ Evidence-based: While the thesis statement itself doesn’t include evidence, it sets up an argument that can be supported with evidence in the body of the essay. ✅ Placement: Generally, the thesis statement is placed at the end of the introduction of an essay.

Try These AI Prompts – Thesis Statement Generator!

One way to brainstorm thesis statements is to get AI to brainstorm some for you! Try this AI prompt:

💡 AI PROMPT FOR EXPOSITORY THESIS STATEMENT I am writing an essay on [TOPIC] and these are the instructions my teacher gave me: [INSTUCTIONS]. I want you to create an expository thesis statement that doesn’t argue a position, but demonstrates depth of knowledge about the topic.

💡 AI PROMPT FOR ARGUMENTATIVE THESIS STATEMENT I am writing an essay on [TOPIC] and these are the instructions my teacher gave me: [INSTRUCTIONS]. I want you to create an argumentative thesis statement that clearly takes a position on this issue.

💡 AI PROMPT FOR COMPARE AND CONTRAST THESIS STATEMENT I am writing a compare and contrast essay that compares [Concept 1] and [Concept2]. Give me 5 potential single-sentence thesis statements that remain objective.

• Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd-2/ 10 Reasons you’re Perpetually Single
• Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd-2/ 20 Montessori Toddler Bedrooms (Design Inspiration)
• Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd-2/ 21 Montessori Homeschool Setups
• Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd-2/ 101 Hidden Talents Examples

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How To Write a Thesis Statement (with Useful Steps and Tips)

How To Write A Thesis Statement? Writing a thesis statement is one of the most important parts of crafting an essay. Without it, the audience is not informed as to what the purpose of the essay is or your take on it. In this article, we are going to be looking at how to write an effective and hard-hitting thesis statement that will enable you to write an excellent essay .

How To Write A Thesis Statement

What Is A Thesis Statement?

Before we begin looking at how to write a thesis statement , it is important to fully understand what one is. In short, a thesis statement is a short statement which offers the reader information on what the essay is about, stating its main point or argument. A thesis statement should appear in both the introduction paragraph as well as the conclusion paragraph of the essay .

Now that we are fully aware as to what a thesis statement is and what it is used for, we can begin to look at how to write one.

For Assigned Subjects

If you have been asked to write an essay on a specific subject or topic, you can model your thesis statement around this. For example, if you have been given the essay question of ‘How does unemployment affect homelessness?’ you could write a thesis statement in direct reply to this, it might look something like the following…

Unemployment affects homelessness in two ways, it causes a rise in how many homeless people there are which in turn has an effect on how much money is being spent on charities such as food banks and homeless shelters.

This statement neatly sums up the main point of the essay and gives a brief look into what is going to be discussed in more depth throughout the piece of writing.

For Non-Assigned Subjects

If you have free reign over the essay topic, you must first select what you are going to write about. Once you have decided on this, you can begin crafting your thesis statement. You should remember to ensure that the thesis statement takes care of the following points:

• Show one main argument or idea
• Gives space for people to disagree.
• Shows your personal conclusion on the topic.

Now let’s presume that you have chosen the topic of whether homework is conducive to learning, you need to take into consideration the following points:

• What is the main point of the essay?
• What are your views on the topic?
• Can you find any research to back your opinion or even change it?

When you have answered these questions, you are then more easily able to come up with a good thesis statement. As with the assigned essay, it is important to answer a question with your thesis statement. So, considering we are writing an essay on the subject of homework, you could then turn that subject into a question ‘Is homework conducive to learning?’ Your thesis statement might look something like this:

More and more parents are refusing to allow their children to do homework, saying that it eats into their free time and provides no benefit to learning. It has been shown that this is not true, in a study conducted in Germany, 90% of children who completed homework passed their exams with a higher grade.

The above thesis statement is strong because it:

• Shows the author’s stance on the topic.
• Provides a clear insight to the essay purpose.
• Uses clear and concise language and does not waffle .
• Expresses one main argument.

When writing your thesis statement it is important to ensure that it actively meets the above criteria in order for it to be strong and effective.

Creating a Strong Thesis Statement

Identifying the main idea.

A key step in crafting a strong thesis statement is identifying the main idea of your essay. The main idea reflects the primary subject or topic you will be discussing. To begin, make sure to have a clear understanding of the assignment and the specific requirements. If you are having trouble pinpointing the main idea, start by asking yourself what problem or question your essay aims to solve or answer. Once you have identified the main idea, use it as the focal point for your thesis statement.

Narrowing the Focus

Another crucial element in creating a solid thesis statement is narrowing the focus. Instead of attempting to address a broad topic, focus on a smaller, more specific aspect of the subject. This will help you create a strong and concise thesis statement that effectively addresses the primary question or issue.

Consider the following steps to narrow your focus:

• Break down the main idea into smaller, related components
• Determine which aspect of the topic is most relevant to your essay
• Evaluate the scope of your research and analysis

By narrowing the focus, you provide a clear and specific direction for your essay, making it easier for both you and your reader to understand the central argument.

Taking a Stand

A strong thesis statement should not only present the main idea but also take a stand. It is important to make a clear, decisive assertion that demonstrates your perspective on the subject. This means avoiding vague or weak statements, and instead, confidently presenting a well-informed and well-reasoned argument.

To create a thesis statement that takes a strong stand, ensure that it:

• Clearly articulates your position on the topic
• Is debatable, meaning that it can be supported by evidence and allows for differing opinions
• Presents a specific and strong point of view

By incorporating these elements, you demonstrate that you are knowledgeable about the subject and have formed an educated opinion based on your research and analysis.

In summary, to craft a strong thesis statement, start by identifying the main idea, narrow the focus of your essay, and take a clear stand on the subject. These steps will help ensure that your paper is well-organized, compelling, and effectively communicates your central argument.

Testing and Refining Your Thesis Statement

Evaluating your working thesis.

It is crucial to evaluate your working thesis throughout the writing process. This allows you to determine if your thesis is focused, clear, and relevant to your research. Keep these questions in mind when evaluating your thesis:

• Does it answer the research question or address the main issue?
• Is it specific and concise?
• Does it serve as a guide for your ideas and analysis?

Revise your thesis if it does not fulfill these criteria or needs improvement.

Considering Counterarguments

A powerful thesis statement should take into account potential counterarguments. By considering negative perspectives and possible objections to your argument, you can refine your thesis and ensure its strength. Examine your thesis to see if it can withstand opposing views:

• Can you think of any counterarguments?
• Do your research and analysis support the thesis statement in light of these counterarguments?
• Can you provide plausible evidence to refute the counterarguments?

If your thesis can stand up to scrutiny and maintain its focus in spite of potential objections, it is on the right track.

Revising for Clarity and Strength

Once you have evaluated your working thesis and accounted for counterarguments, it is time to revise your thesis statement for clarity and strength. To do this, follow these steps:

• Remove any vague phrases and make your thesis statement as specific as possible.
• Ensure that your thesis does not try to cover too many ideas or provide unrelated information.
• Test your thesis against new research and perspectives that emerge throughout your writing process.

By revising your thesis statement and ensuring that it is clear, concise, and backed by relevant research and analysis, you will create a strong foundation for your paper.

Supporting Your Thesis Statement

Gathering evidence.

When working on a thesis statement, it is essential to gather relevant evidence to support your position. Evidence can include statistics, research findings, primary sources, or expert opinions. Start by reviewing available material, assessing its credibility and reliability, and choosing the most reliable and valuable sources. Organize the evidence in a logical manner to make it easy for the reader to understand and follow your argument.

Understanding Topic Sentences

A well-structured paper begins with clear and concise topic sentences. Each paragraph should begin with a topic sentence that identifies the main idea of the paragraph, and it should link back to the thesis statement. This helps maintain focus and coherence throughout the paper. For example:

• In a paper about the benefits of renewable energy, a topic sentence could be: “Solar energy is a reliable and cost-effective alternative to fossil fuels.”

Analyzing Sources and Facts

Thoroughly analyze your sources to determine their relevance, credibility, and accuracy. An effective way to do this is through the following steps:

• Check the author’s background and expertise.
• Evaluate the source’s publication date and ensure it is up-to-date.
• Determine if the source is peer-reviewed or published by a reputable organization.
• Check for biased language or exaggerated claims.

When presenting facts, remain neutral and unbiased, accurately representing the information you’ve gathered. Lastly, provide proper citations to give credit to the authors and avoid plagiarism.

Organizing Your Material

Effectively organizing your material is crucial for a well-structured and coherent paper. Make sure to:

• Create an outline to map out the flow of your argument.
• Group related pieces of evidence together, using bullet points or tables when necessary for clarity.
• Transition smoothly between paragraphs to maintain the reader’s interest and understanding.

By following these steps, your paper will effectively support your thesis statement, convincingly presenting your argument and contributing to the field of education.

Additional Tips For A Good Thesis Statement

We are now going to look at some final hints to ensure that you write the best thesis statement possible.

• Ensure that your thesis statement appears in your introduction and conclusion and does not get burying deep within the body of the essay.
• Make sure that the thesis statement does not exceed two sentences.
• Avoid making obvious statements such as ‘this is an essay about….’ or ‘the point of this paper is….’ The thesis statement should be able to convey this without using such up-front language.
• Write clearly and articulately.

In conclusion, a thesis statement is a critical element in the process of writing a research paper, essay, or dissertation. It serves to provide focus, direction, and convey the main argument of the work. The following paragraphs will explore some examples, tips, and guidelines on effective thesis statement writing.

When crafting a thesis statement, it is essential to ensure it is clear, concise, and focused. One way to create a strong thesis is to consider the scope of your research and align your statement with the overall themes and objectives of the project. Using specific, well-defined language helps to articulate your argument and demonstrate a solid understanding of the topic. Consider the following example:

Example:  “Through a comparative analysis of European and American film noir, this paper will reveal the influence of post-WWII societal anxieties on the genre’s distinctive narrative and stylistic elements.”

In this example, the thesis statement clearly states the research question, the subject matter, and the intended scope of the analysis.

Additionally, it is important to be consistent with the type of paper you are writing. For instance, if you are writing an analytical paper, your thesis statement should break down the issue and present an evaluation. However, if your paper is argumentative, your thesis should make a claim and justify your stance. Here are few examples for each type:

Analytical paper:  “Through an examination of campaign strategies, this study will explore the effectiveness of social media in modern political discourse.”

Argumentative paper:  “Despite the widespread use of social media in political discourse, it is argued that traditional media continues to be pivotal in shaping public opinion.”

Finally, to aid in the comprehension and readability of your work, consider employing formatting elements such as tables and bullet points when presenting complex information. This will help ensure your thesis statement and research paper is understandable and effective in conveying your main argument.

How To Write A Thesis Statement Infographic

Writing a good thesis statement can have a big impact on your essay. A thesis statement should include the point of view of the author , the main point of the writing and be clear and easy to understand.

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How to Write a Thesis Statement

Last Updated: July 20, 2024 Fact Checked

This article was reviewed by Gerald Posner . Gerald Posner is an Author & Journalist based in Miami, Florida. With over 35 years of experience, he specializes in investigative journalism, nonfiction books, and editorials. He holds a law degree from UC College of the Law, San Francisco, and a BA in Political Science from the University of California-Berkeley. He’s the author of thirteen books, including several New York Times bestsellers, the winner of the Florida Book Award for General Nonfiction, and has been a finalist for the Pulitzer Prize in History. He was also shortlisted for the Best Business Book of 2020 by the Society for Advancing Business Editing and Writing. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 3,210,249 times.

Whether you’re writing a short essay or a doctoral dissertation, your thesis statement can be one of the trickiest sentences to formulate. Fortunately, there are some basic rules you can follow to ensure your thesis statement is effective and interesting, including that it must be a debatable analytical point, not a general truism.

Crafting Great Thesis Statements

• Thesis: "Computers allow fourth graders an early advantage in technological and scientific education."
• ' Thesis: "The river comes to symbolize both division and progress, as it separates our characters and country while still providing the best chance for Huck and Jim to get to know one another."
• Thesis: "Through careful sociological study, we've found that people naturally assume that "morally righteous" people look down on them as "inferior," causing anger and conflict where there generally is none."

• Ex. "This dynamic between different generations sparks much of the play’s tension, as age becomes a motive for the violence and unrest that rocks King Lear."
• Ex. "The explosion of 1800s philosophies like Positivism, Marxism, and Darwinism undermined and refuted Christianity to instead focus on the real, tangible world."
• Ex. "Without the steady hand and specific decisions of Barack Obama, America would never have recovered from the hole it entered in the early 2000s."

• "While both sides fought the Civil War over the issue of slavery, the North fought for moral reasons while the South fought to preserve its own institutions."
• "The primary problem of the American steel industry is the lack of funds to renovate outdated plants and equipment."
• "Hemingway's stories helped create a new prose style by employing extensive dialogue, shorter sentences, and strong Anglo-Saxon words."

• "After the third and fourth time you see him beat himself, one finally realizes that Huck Finn is literature's first full-blown sadomasochist."
• "The advent of internet technology has rendered copyright laws irrelevant -- everyone can and should get writing, movies, art, and music for free."
• "Though they have served admirably for the past two centuries, recent research shows that America needs to ditch the two-party system, and quickly."

• "By owning up to the impossible contradictions, embracing them and questioning them, Blake forges his own faith, and is stronger for it. Ultimately, the only way for his poems to have faith is to temporarily lose it."
• "According to its well-documented beliefs and philosophies, an existential society with no notion of either past or future cannot help but become stagnant."
• "By reading “Ode to a Nightingale” through a modern deconstructionist lens, we can see how Keats viewed poetry as shifting and subjective, not some rigid form."
• "The wrong people won the American Revolution." While striking and unique, who is "right" and who is "wrong" is exceptionally hard to prove, and very subjective.
• "The theory of genetic inheritance is the binding theory of every human interaction." Too complicated and overzealous. The scope of "every human interaction" is just too big
• "Paul Harding's novel Tinkers is ultimately a cry for help from a clearly depressed author." Unless you interviewed Harding extensively, or had a lot of real-life sources, you have no way of proving what is fact and what is fiction."

Getting it Right

• is an assertion, not a fact or observation. Facts are used within the paper to support your thesis.
• takes a stand, meaning it announces your position towards a particular topic.
• is the main idea and explains what you intend to discuss.
• answers a specific question and explains how you plan to support your argument.
• is debatable. Someone should be able to argue an alternate position, or conversely, support your claims.

• "Because of William the Conqueror's campaign into England, that nation developed the strength and culture it would need to eventually build the British Empire."
• "Hemingway significantly changed literature by normalizing simplistic writing and frank tone."

Finding the Perfect Thesis

• A clear topic or subject matter
• A brief summary of what you will say
• [Something] [does something] because [reason(s)].
• Because [reason(s)], [something] [does something].
• Although [opposing evidence], [reasons] show [Something] [does something].
• The last example includes a counter-argument, which complicates the thesis but strengthens the argument. In fact, you should always be aware of all counter-arguments against your thesis. Doing so will refine your thesis, and also force you to consider arguments you have to refute in your paper.

• There are two schools of thought on thesis timing. Some people say you should not write the paper without a thesis in mind and written down, even if you have to alter it slightly by the end. The other school of thought says that you probably won't know where you're going until you get there, so don't write the thesis until you know what it should be. Do whatever seems best to you.

• Never frame your thesis as a question . The job of a thesis is to answer a question, not ask one.
• A thesis is not a list. If you're trying to answer a specific question, too many variables will send your paper off-focus. Keep it concise and brief.
• Never mention a new topic that you do not intend to discuss in the paper.
• Do not write in the first person. Using sentences such as, "I will show...," is generally frowned upon by scholars.
• Do not be combative. The point of your paper is to convince someone of your position, not turn them off, and the best way to achieve that is to make them want to listen to you. Express an open-minded tone, finding common ground between different views.

Sample Thesis and List of Things to Include

Community Q&A

• Think of your thesis as a case a lawyer has to defend. A thesis statement should explain to your readers the case you wish to make and how you will accomplish that. You can also think of your thesis as a contract. Introducing new ideas the reader is not prepared for may be alienating. Thanks Helpful 1 Not Helpful 1
• An effective thesis statement controls the entire argument. It determines what you cannot say. If a paragraph does not support your thesis, either omit it or change your thesis. Thanks Helpful 0 Not Helpful 0

You Might Also Like

• ↑ https://wts.indiana.edu/writing-guides/how-to-write-a-thesis-statement.html
• ↑ https://owl.purdue.edu/owl/general_writing/the_writing_process/thesis_statement_tips.html
• ↑ https://writingcenter.unc.edu/tips-and-tools/thesis-statements/
• ↑ http://www.writing.utoronto.ca/advice/planning-and-organizing/thesis-statements
• ↑ https://writingcenter.uagc.edu/writing-a-thesis

About This Article

To write an effective thesis statement, choose a statement that answers a general question about your topic. Check that your thesis is arguable, not factual, and make sure you can back it up your with evidence. For example, your thesis statement could be something like "Computers allow fourth graders an early advantage in technological and scientific education." To learn about writing thesis statements for different types of essays or how to incorporate them into your essay, keep reading! Did this summary help you? Yes No

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Home / Guides / Writing Guides / Parts of a Paper / How to Write a Strong Thesis Statement

How to Write a Strong Thesis Statement

A thesis can be found in many places—a debate speech, a lawyer’s closing argument, even an advertisement. But the most common place for a thesis statement (and probably why you’re reading this article) is in an essay.

Whether you’re writing an argumentative paper, an informative essay, or a compare/contrast statement, you need a thesis. Without a thesis, your argument falls flat and your information is unfocused. Since a thesis is so important, it’s probably a good idea to look at some tips on how to put together a strong one.

Guide Overview

What is a “thesis statement” anyway.

• 2 categories of thesis statements: informative and persuasive
• 2 styles of thesis statements
• Formula for a strong argumentative thesis
• The qualities of a solid thesis statement (video)

You may have heard of something called a “thesis.” It’s what seniors commonly refer to as their final paper before graduation. That’s not what we’re talking about here. That type of thesis is a long, well-written paper that takes years to piece together.

Instead, we’re talking about a single sentence that ties together the main idea of any argument . In the context of student essays, it’s a statement that summarizes your topic and declares your position on it. This sentence can tell a reader whether your essay is something they want to read.

2 Categories of Thesis Statements: Informative and Persuasive

Just as there are different types of essays, there are different types of thesis statements. The thesis should match the essay.

For example, with an informative essay, you should compose an informative thesis (rather than argumentative). You want to declare your intentions in this essay and guide the reader to the conclusion that you reach.

To make a peanut butter and jelly sandwich, you must procure the ingredients, find a knife, and spread the condiments.

This thesis showed the reader the topic (a type of sandwich) and the direction the essay will take (describing how the sandwich is made).

Most other types of essays, whether compare/contrast, argumentative, or narrative, have thesis statements that take a position and argue it. In other words, unless your purpose is simply to inform, your thesis is considered persuasive. A persuasive thesis usually contains an opinion and the reason why your opinion is true.

Peanut butter and jelly sandwiches are the best type of sandwich because they are versatile, easy to make, and taste good.

In this persuasive thesis statement, you see that I state my opinion (the best type of sandwich), which means I have chosen a stance. Next, I explain that my opinion is correct with several key reasons. This persuasive type of thesis can be used in any essay that contains the writer’s opinion, including, as I mentioned above, compare/contrast essays, narrative essays, and so on.

2 Styles of Thesis Statements

Just as there are two different types of thesis statements (informative and persuasive), there are two basic styles you can use.

The first style uses a list of two or more points . This style of thesis is perfect for a brief essay that contains only two or three body paragraphs. This basic five-paragraph essay is typical of middle and high school assignments.

C.S. Lewis’s Chronicles of Narnia series is one of the richest works of the 20th century because it offers an escape from reality, teaches readers to have faith even when they don’t understand, and contains a host of vibrant characters.

In the above persuasive thesis, you can see my opinion about Narnia followed by three clear reasons. This thesis is perfect for setting up a tidy five-paragraph essay.

In college, five paragraph essays become few and far between as essay length gets longer. Can you imagine having only five paragraphs in a six-page paper? For a longer essay, you need a thesis statement that is more versatile. Instead of listing two or three distinct points, a thesis can list one overarching point that all body paragraphs tie into.

Good vs. evil is the main theme of Lewis’s Narnia series, as is made clear through the struggles the main characters face in each book.

In this thesis, I have made a claim about the theme in Narnia followed by my reasoning. The broader scope of this thesis allows me to write about each of the series’ seven novels. I am no longer limited in how many body paragraphs I can logically use.

Formula for a Strong Argumentative Thesis

One thing I find that is helpful for students is having a clear template. While students rarely end up with a thesis that follows this exact wording, the following template creates a good starting point:

___________ is true because of ___________, ___________, and ___________.

Conversely, the formula for a thesis with only one point might follow this template:

___________________ is true because of _____________________.

Students usually end up using different terminology than simply “because,” but having a template is always helpful to get the creative juices flowing.

The Qualities of a Solid Thesis Statement

When composing a thesis, you must consider not only the format, but other qualities like length, position in the essay, and how strong the argument is.

Length: A thesis statement can be short or long, depending on how many points it mentions. Typically, however, it is only one concise sentence. It does contain at least two clauses, usually an independent clause (the opinion) and a dependent clause (the reasons). You probably should aim for a single sentence that is at least two lines, or about 30 to 40 words long.

Position: A thesis statement always belongs at the beginning of an essay. This is because it is a sentence that tells the reader what the writer is going to discuss. Teachers will have different preferences for the precise location of the thesis, but a good rule of thumb is in the introduction paragraph, within the last two or three sentences.

Strength: Finally, for a persuasive thesis to be strong, it needs to be arguable. This means that the statement is not obvious, and it is not something that everyone agrees is true.

Example of weak thesis:

Peanut butter and jelly sandwiches are easy to make because it just takes three ingredients.

Most people would agree that PB&J is one of the easiest sandwiches in the American lunch repertoire.

Example of a stronger thesis:

Peanut butter and jelly sandwiches are fun to eat because they always slide around.

This is more arguable because there are plenty of folks who might think a PB&J is messy or slimy rather than fun.

Composing a thesis statement does take a bit more thought than many other parts of an essay. However, because a thesis statement can contain an entire argument in just a few words, it is worth taking the extra time to compose this sentence. It can direct your research and your argument so that your essay is tight, focused, and makes readers think.

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How to Craft a Compelling Thesis: A Step-by-Step Guide

Writing a compelling thesis is a crucial skill for any student. A strong thesis guides your research, structures your argument, and captures your reader's attention. This guide breaks down the process into simple, manageable steps to help you craft a thesis that stands out.

Key Takeaways

• A clear thesis statement is essential for guiding your research and argument.
• Choosing a topic that interests you can make the writing process more engaging.
• Refining your research question is crucial for a focused and effective thesis.
• A well-structured literature review supports and contextualises your research.
• Continuous revision and feedback are key to polishing your thesis.

Understanding the Purpose of a Thesis

A thesis is a fundamental component of academic writing, serving as the backbone of your research paper or essay. It is not merely a statement of fact but an assertion that requires justification and defence throughout your work. A well-crafted thesis statement provides a clear direction for your writing and helps to engage your readers.

Choosing a Research Topic

Choosing a research topic is a crucial step in crafting a compelling thesis. It sets the stage for your entire research journey and can significantly impact your motivation and success. Here’s a step-by-step guide to help you choose the right topic.

Identifying Your Interests

Start by reflecting on your academic interests and passions. Your research topic should align with your interests to keep you motivated throughout the process. Make a list of subjects that excite you and consider how they relate to your field of study. Discuss your ideas with mentors, professors, and peers to gain different perspectives and insights.

Assessing Feasibility and Scope

Once you have a list of potential topics, evaluate their feasibility. Consider the time, resources, and access to data you will need. Ensure your topic is specific enough to be manageable but broad enough to allow for comprehensive research. A feasible topic will make it easier to conduct thorough research and analysis.

Aligning with Academic Goals

Your research topic should not only interest you but also align with your academic and career goals. Think about how your topic can contribute to your field of study and enhance your future career prospects. A well-chosen topic can open doors to new opportunities and help you build a strong academic and professional foundation.

Formulating a Research Question

Characteristics of a good research question.

A good research question is clear, focused, and researchable. It should be specific enough to guide your study but broad enough to allow for comprehensive exploration. A well-formulated question will help you stay on track and ensure that your research is relevant and meaningful. Avoid questions that are too broad or too narrow, as they can make your research unmanageable.

Techniques for Refining Your Question

Refining your research question involves several steps:

• Start with a broad topic : Begin with a general area of interest. For example, if you're interested in social media, you might start with a broad question like, "How does social media impact communication?"
• Narrow it down : Focus on a specific aspect of the broad topic. For instance, you could narrow it down to, "How does WhatsApp influence communication among teenagers?"
• Make it researchable : Ensure that your question can be answered through research. This means it should be possible to collect data and analyse it to find an answer.
• Seek feedback : Discuss your question with peers or advisors to get their input. They can help you refine it further and ensure it's clear and focused.

Examples of Effective Research Questions

Here are some examples of well-formulated research questions:

• How does the use of WhatsApp affect the communication skills of teenagers?
• What are the impacts of social media on academic performance among university students?
• How do online learning platforms influence student engagement in higher education?

These questions are specific, researchable, and relevant to current issues, making them excellent starting points for your thesis research.

Conducting a Literature Review

Purpose of a Literature Review

A literature review serves as the backbone of your research , providing essential context and insight into your chosen topic. It helps you understand the current state of knowledge, identify gaps, and set the stage for your own investigation. A well-executed literature review not only summarises existing research but also critically evaluates it, highlighting areas for further study.

Strategies for Effective Literature Search

To conduct an effective literature search, start by defining your research question clearly. This will guide your search and ensure relevance. Use a variety of databases and search engines to gather a broad spectrum of sources. Consider using reference management software like Zotero or EndNote to streamline the citation process. Here are some steps to follow:

• Define your research question.
• Choose appropriate databases and search engines.
• Develop inclusion and exclusion criteria.
• Use advanced search options to philtre results.
• Keep track of your searches and results using a reference management tool.

Synthesising Existing Research

Synthesising research findings involves merging individual pieces of information to form a coherent understanding of your topic. This process not only demonstrates your grasp of the subject but also shows how your work contributes to the field. When preparing your synthesis, consider the following steps:

• Review your initial literature search results.
• Identify gaps and how they influence your study's approach.
• Structure your discussion logically, prioritising significant findings.
• Interpret data cautiously, avoiding over-interpretation.

By following these steps, you can ensure that your literature review is thorough and methodically structured, reflecting a clear understanding of your research area.

Developing a Thesis Statement

Components of a strong thesis statement.

A strong thesis statement is essential for any academic paper. It should be clear, concise, and specific. The main components include:

• Clarity : Your thesis should clearly state your main argument or point.
• Specificity : It should be specific enough to guide your writing and keep your argument focused.
• Debatable: A good thesis presents a claim that can be supported or opposed with evidence.
• Evidence: Your thesis should be backed by credible sources and data.

Balancing Specificity and Scope

When crafting your thesis , it's crucial to strike a balance between being specific and maintaining a broad enough scope to allow for comprehensive discussion. Here are some tips:

• Identify a specific aspect of your topic that interests you.
• Expand your view to include related issues or questions that add depth to your argument.
• Ensure your thesis is neither too narrow nor too broad.

Avoiding Common Pitfalls

Many students fall into common traps when developing their thesis statements. Here are some pitfalls to avoid:

• Vagueness : Avoid vague language that doesn't clearly convey your argument.
• Overly Broad Statements: Ensure your thesis is focused and not too general.
• First-Person Language: Avoid using phrases like "I believe" or "In my opinion." Instead, make assertive statements.
• Lack of Evidence: Make sure your thesis can be supported with credible evidence.

By following these guidelines, you can develop a strong, compelling thesis statement that will guide your research and writing effectively.

Creating a Research Plan

Creating a research plan is essential for a successful thesis. It helps you stay organised and ensures you cover all necessary aspects of your research. A research plan is a framework that shows how you intend to approach your topic.

Drafting Your Thesis

Drafting your thesis is a significant milestone in your academic journey. This stage involves transforming your research and ideas into a coherent and structured document. Here’s how to navigate this crucial phase effectively.

Structuring Your Thesis

Start by creating a clear structure for your thesis. This typically includes an introduction, literature review, methodology, results, discussion, and conclusion. Each section should serve a specific purpose and contribute to the overall argument of your thesis. A well-structured thesis helps in maintaining a logical flow and makes it easier for readers to follow your argument.

Writing the First Draught

Begin by writing the first draught without worrying too much about perfection. Focus on getting your ideas down on paper. This initial draught is your opportunity to explore your thoughts and structure your argument. Remember, the first draught does not need to be perfect; it just needs to be written. This approach can help you understand how to write a thesis fast and how to write dissertation fast .

Incorporating Feedback and Revisions

Once you have a draught, it's time to incorporate feedback. Share your work with your thesis supervisor and peers. Their insights can help you see your work from different perspectives and identify areas for improvement. Revising is a continuous process of re-seeing your writing. It involves considering larger issues like focus, organisation, and audience. This step is crucial for making a strong impression and effectively communicating your research findings. This method can also show you how to write thesis easily .

By following these steps, you can transform your research into a well-organised and compelling thesis. Remember, drafting is just the beginning; revising and refining your work is where the real magic happens.

Polishing Your Thesis

Polishing your thesis is a crucial step in ensuring that your hard work is presented in the best possible light. This phase involves refining your writing, enhancing clarity, and ensuring that your thesis adheres to all academic standards. Here are some key areas to focus on during this stage.

Defending Your Thesis

Preparing for your defence.

Preparation is key to a successful thesis defence. Start by thoroughly reviewing your thesis, focusing on the main arguments and evidence. Practise your presentation multiple times, ideally in front of peers or mentors who can provide constructive feedback. Get some rest before the big day to ensure you are calm and focused.

Common Defence Questions

During your defence, you will likely face a range of questions. These can include clarifications on your research methods, the significance of your findings , and how your work contributes to the existing body of knowledge. Be prepared to explain and justify your choices clearly and confidently.

Tips for a Successful Defence

To excel in your defence, maintain a confident and professional demeanour. Listen carefully to each question, and take a moment to formulate your response. Use this opportunity to highlight the strengths of your research and address any potential weaknesses. Remember, the goal is to demonstrate your deep understanding of your topic and your ability to engage in scholarly discourse.

Utilising Feedback for Improvement

Seeking constructive criticism.

Gathering feedback is a crucial step in refining your thesis. Reach out to peers, mentors, or academic advisors to get diverse perspectives. Order the comments from the most important to the least important to prioritise your revisions effectively. Remember, feedback is not just about pointing out flaws but also about enhancing your strengths.

Implementing Feedback Effectively

Once you have collected feedback, it's time to implement it. Start by identifying recurring themes in the comments. Are there specific areas that multiple reviewers have pointed out? Focus on these first. Use a systematic approach to address each piece of feedback, ensuring that you make the necessary changes to improve your argument, analysis, and critical thinking .

Continuous Improvement in Academic Writing

Academic writing is an iterative process. Even after incorporating feedback, continue to refine your work. Regularly review your thesis to ensure clarity, coherence, and logical flow. Engage in further research and practise to enhance your skills continuously. By doing so, you not only improve your current thesis but also develop a robust foundation for future academic endeavours.

Feedback is a powerful tool for growth. By listening to others, you can find out what you're doing well and what needs improvement. This helps you get better at what you do. Want to learn more about how to use feedback to your advantage? Visit our website for more tips and resources.

In summary, mastering the art of crafting a compelling thesis is a crucial skill in academic writing. A well-constructed thesis statement serves as the backbone of your essay, guiding both the writer and the reader through the argument. By following the steps outlined in this guide, you can develop a clear, concise, and persuasive thesis that sets the stage for a strong and coherent piece of writing. Remember, a thesis statement is not just a requirement but a tool that enhances the clarity and impact of your work. Dedicate time to refine this essential component, and you will find that your academic writing becomes more focused and effective. Embrace the challenge, and let your thesis statement illuminate your scholarly journey.

Frequently Asked Questions

What is a thesis statement.

A thesis statement is a single sentence that sums up the main point or argument of your essay or research paper. It usually appears at the end of the introduction and guides the direction of your writing.

Why is a strong thesis statement important?

A strong thesis statement is crucial because it provides a clear focus for your essay or research paper. It helps organise your ideas and guides the reader through your argument.

How do I choose a good research topic?

Choose a research topic that interests you and aligns with your academic goals. Make sure it is feasible to research and has enough scope for exploration.

What makes a good research question?

A good research question is clear, focused, and researchable. It should be specific enough to guide your research but broad enough to allow for a thorough exploration of the topic.

What is a literature review?

A literature review is a summary and analysis of existing research on a particular topic. It helps you understand the current state of knowledge in your field and identify gaps that your research can fill.

How can I avoid common pitfalls when writing a thesis statement?

Avoid being too vague or broad, and make sure your thesis statement presents an arguable claim rather than just stating a fact. Be clear and specific, and make sure it aligns with the content of your essay or research paper.

What are some proofreading and editing techniques?

Proofread your work for grammar, spelling, and punctuation errors. Edit for clarity and coherence, and make sure your formatting and citations follow the required guidelines. Reading your work aloud can also help catch mistakes.

How should I prepare for my thesis defence?

Prepare for your thesis defence by reviewing your research thoroughly, anticipating possible questions, and practising your presentation. Be ready to discuss your methodology, findings, and the significance of your work.

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How to Write a Good Thesis Statement

Creating the core of your essay

• Ph.D., Rhetoric and English, University of Georgia
• M.A., Modern English and American Literature, University of Leicester
• B.A., English, State University of New York

In composition and academic writing , a thesis statement (or controlling idea) is a sentence in an essay, report, research paper, or speech that identifies the main idea and/or central purpose of the text. In rhetoric, a claim is similar to a thesis.

For students especially, crafting a thesis statement can be a challenge, but it's important to know how to write one because a thesis statement is the heart of any essay you write. Here are some tips and examples to follow.

Purpose of the Thesis Statement

The thesis statement serves as the organizing principle of the text and appears in the  introductory paragraph . It is not a mere statement of fact. Rather, it is an idea, a claim, or an interpretation, one that others may dispute. Your job as a writer is to persuade the reader—through the careful use of examples and thoughtful analysis—that your argument is a valid one.

A thesis statement is, essentially, the idea that the rest of your paper will support. Perhaps it is an opinion that you have marshaled logical arguments in favor of. Perhaps it is a synthesis of ideas and research that you have distilled into one point, and the rest of your paper will unpack it and present factual examples to show how you arrived at this idea. The one thing a thesis statement should not be? An obvious or indisputable fact. If your thesis is simple and obvious, there is little for you to argue, since no one will need your assembled evidence to buy into your statement.

Developing Your Argument

Your thesis is the most important part of your writing. Before you begin writing, you'll want to follow these tips for developing a good thesis statement:

• Read and compare your sources : What are the main points they make? Do your sources conflict with one another? Don't just summarize your sources' claims; look for the motivation behind their motives.
• Draft your thesis : Good ideas are rarely born fully formed. They need to be refined. By committing your thesis to paper, you'll be able to refine it as you research and draft your essay.
• Consider the other side : Just like a court case, every argument has two sides. You'll be able to refine your thesis by considering the counterclaims and refuting them in your essay, or even acknowledging them in a clause in your thesis.

Be Clear and Concise

An effective thesis should answer the reader question, "So what?" It should not be more than a sentence or two. Don't be vague, or your reader won't care. Specificity is also important. Rather than make a broad, blanket statement, try a complex sentence that includes a clause giving more context , acknowledging a contrast, or offering examples of the general points you're going to make.

Incorrect : British indifference caused the American Revolution .

Correct : By treating their U.S. colonies as little more than a source of revenue and limiting colonists' political rights, British indifference contributed to the start of the American Revolution .

In the first version, the statement is very general. It offers an argument, but no idea of how the writer is going to get us there or what specific forms that "indifference" took. It's also rather simplistic, arguing that there was a singular cause of the American Revolution. The second version shows us a road map of what to expect in the essay: an argument that will use specific historical examples to prove how British indifference was important to (but not the sole cause of) the American Revolution. Specificity and scope are crucial to forming a strong thesis statement, which in turn helps you write a stronger paper!

Make a Statement

Although you do want to grab your reader's attention, asking a question is not the same as making a thesis statement. Your job is to persuade by presenting a clear, concise concept that explains both how and why.

Incorrect : Have you ever wondered why Thomas Edison gets all the credit for the light bulb?

Correct : His savvy self-promotion and ruthless business tactics cemented Thomas Edison's legacy, not the invention of the lightbulb itself.

Asking a question is not a total no-go, but it doesn't belong in the thesis statement. Remember, in most formal essay, a thesis statement will be the last sentence of the introductory paragraph. You might use a question as the attention-grabbing first or second sentence instead.

Don't Be Confrontational

Although you are trying to prove a point, you are not trying to force your will on the reader.

Incorrect : The stock market crash of 1929  wiped out many small investors who were financially inept and deserved to lose their money.

Correct : While a number of economic factors caused the stock market crash of 1929, the losses were made worse by uninformed first-time investors who made poor financial decisions.

It's really an extension of correct academic writing voice . While you might informally argue that some of the investors of the 1920s "deserved" to lose their money, that's not the kind of argument that belongs in formal essay writing. Instead, a well-written essay will make a similar point, but focus more on cause and effect, rather that impolite or blunt emotions.

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Friday essay: Giant shark megalodon was the most powerful superpredator ever. Why did it go extinct?

Strategic Professor in Palaeontology, Flinders University

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Imagine the seas off Peru, 6 million years ago. A group of long-nosed dolphins swam through the warm seawater, breaking the surface with occasional enthusiastic leaps into the stark sunshine, then diving crisply back into the clear water to join their compadres.

Not far away, a pod of small baleen whales headed southward to feed in the nutrient-rich Antarctic waters. Three males and four females were clustered together in a rather tight formation as they swam along at their regular pace, always wary of imminent danger.

About 6 million years ago, the seas off Peru were much warmer than today, by at least 4°C. The middle part of the Miocene period (23–5.3 million years ago) had been a warm time throughout the world, with sea temperatures soaring to 31°C in places. That was a time of great expansion of whales and other marine life as productivity soared in the oceans.

In the final million years of the period, two of the three marine gateways connecting the warmer tropical seas together had closed, blocked by tectonic uplifts. This caused a dramatic rerouting of oceanic currents, resulting in abrupt cooling of the oceans. Food resources were on the wane, so predators had to hunt harder for food.

Gigantic predators had an even harder time, as they needed much more food each day than smaller creatures.

‘A blood-curdling horror’

The little whales belong to an extinct species called Piscobalaena . They were slow-moving animals that looked a lot like a scaled-down version of today’s southern right whales, with the oldest individuals reaching around 5 metres.

The dolphins belonged to an archaic type named Atocetus , ancestors of the living La Plata dolphins that would later inhabit the same bountiful seas. They watched the pod of small whales out of the corner of their vision, as both groups moved on warily, their keen sense of echolocation sounding out the waters around them for both food and signs of danger. Suddenly the returning sound waves signalled danger.

A large living mass was moving in the waters ahead, coming at a fast pace straight toward them. It was a menacing thing to detect when nothing at all was visible in the water ahead. The nervous dolphins began to speed up, moving quickly below the surface as the whales huddled closer together, changing course to head at right angles as quickly as they could away from the path of the large incoming creature.

What the dolphins saw next was a blood-curdling horror straight out of a nightmare.

The massive 16-metre shark crashed through the gloomy waters to charge upward and breach the water, seizing one of the baleen whales in its powerful jaws. Otodus megalodon had made its entrance.

This mature female shark could have weighed nearly 60 tonnes, so the much smaller whale had no way to escape her jaws – nearly 2 metres wide and lined with unforgiving rows of thick, serrated triangular teeth.

When coupled with the incoming momentum of the shark’s massive body weight, the jaws rammed the prey and, as the beast crashed down into the water, with one powerful bite sliced the defenceless whale into two neat halves. Thick red billows of blood darkened the water.

With a sharp turn of its head, the gargantuan shark swooped to finish the job, gulping the tail and body of the whale, taking the last chunk of bleeding flesh in one large swallow.

Other large sharks, like the archaic white shark, Carcharodon hastalis , around 7 metres long, were now sensing the metallic tint of blood in the water, tentatively homing in from far and near to join in the feeding frenzy.

The Otodus megalodon swung around and began chasing one of the smaller female whales. The pod, confused and highly distressed, tried to dive deeper to escape the lurking danger.

With a powerful thrash of its huge, forked tail fin, the killer shark sped swiftly down, snatching a second whale, biting a third of the animal off, before swallowing the chunk whole. It turned around and savaged the bleeding carcass, shaking it in its enormous head, scaring away the smaller sharks that had come in to share in the bloodfest.

Within a few minutes, she had swallowed the second whale, not quite enough to slake her monstrous appetite, and headed back to clean up what was left of the first victim.

Smaller sharks had arrived on the scene en masse. They began tearing the bloody remains of the first whale into shreds, when Otodus megalodon once more came thrusting in, shaking its gruesome head to scatter the smaller predators as a horse deflects flies. She chomped at what was left of the whale’s shredded body, swallowing the last bloody pieces in one gulp.

The smaller sharks, some up to 7 metres long, included enormous extinct species related to the mako and one of the first of the modern white sharks. They were mere minnows in the shadow of this beast. The monster was now satiated, bloated by the massive meal of two small whales. Slowly she moved away from the scene, leaving the other whales to flee hastily on their southward journey.

Otodus megalodon , the queen of the killer sharks, was the most powerful superpredator Earth has ever seen either on land or in water.

Superpredators are creatures capable of killing prey equal to or larger than themselves, and this shark clearly had that ability. Because there is a genus of clam called Megalodon (the name simply means “large tooth”), we will use “megalodon” (lower-cased and unitalicised) as our common name for this giant shark.

You might think that we palaeontologists make up scenes like this, but nature is more imaginative than anything our human brains can conjure. While it’s true that I choreographed this frightening scene in my head, nature provided the dancers and told us what moves they could perform.

Megalodon: how big was it?

Megalodon was not just any predator, she was the predator, the most ferocious creature who ever lived, with the deadliest jaws of all time, spawned from the dark side of nature.

The jaws of a maximum-sized female (females were larger than males) could deliver the strongest bite force of any creature that has ever lived, a whopping 2.8 tonnes per square centimetre in each fatal chomp of its jaws. That is enough strength to crush a pickup truck and have some force still left in the megalodon’s tank. She was three times more powerful than Tyrannosaurus rex , the largest land predator of all time.

Megalodon appeared around 23 million years ago and disappeared around 3.6 million years ago. O. angustidens , its immediate ancestor, was slightly smaller but morphed into this new, larger form when ocean temperatures cooled slightly, providing an increase in oceanic nutrients, which fuelled larger populations of its favourite prey, large filter-feeding whales.

Here at last we have reached the pinnacle of 460 million years of shark evolution, the largest shark ever and Earth’s biggest predator.

People of all generations, young and old, have feared it since the first reconstructed gigantic toothy jaws of it began to grace our museums nearly a century ago. Even today it remains a powerful research magnet for some paleontologists, who can’t pull themselves away from the lure of its enticing fossil remains.

We continue to study its fossils through new technological approaches to discover unexpected new things about how it lived, what it ate, and clues to why it went extinct. It also has a strong grip on the minds of “cyptozoologists” – people who still believe it might be alive out there in our ocean.

The most commonly asked question about megalodon is: how big was it?

If we simply use the relationship that exists between tooth size and body size in the great white shark (as a model) and extrapolate the same relationship to megalodon, we could derive an approximate maximum size for this monster fish at between 16 to 21 metres. Its mass would have been 25 times the mass of the largest white shark, maybe reaching 55 tonnes, much heavier than the biggest Tyrannosaurus (9 tonnes) or any other land-based predator you choose.

In recent years, a new way of estimating the size of sharks uses the maximum jaw width as shown by the teeth. Using this new method gives new maximum size for megalodon of around 21 metres long.

Another paper published straight after this one, led by Jack Cooper from Swansea University, calculated the size of different body parts for megalodon individuals of different lengths. It concluded that a megalodon reaching 16 metres would have a head about 1.5 metres in length and a tail fin that was 3.8 metres in height. The large triangular dorsal fin would have been about the same height as an average adult person.

You can see a full-sized megalodon model hanging in the foyer of the Smithsonian Museum of Natural History in Washington, D.C. It was built in 2021 under careful scientific direction and spans just over 15 metres. It is impressive to see its massive body and huge jaws bristling with triangular serrated teeth. Other stunning models of megalodon, or its reconstructed jaws, are displayed in several other museums around the world.

For the past century, every classic reconstruction of megalodon, including many recent ones in the movies, show it as a scaled-up white shark, since it was commonly thought to be an ancestor of the living species. The most recent data about megalodon’s body shape was published in early 2024 by a consortium of 26 renowned fossil shark experts led by Phillip Sternes of the University of Washington.

They showed that its body shape was more elongated than that of the white shark, and the tail would have had a longer upper lobe. Its body might have looked more like that of a basking shark, with a longer tail for slower ocean cruising. This study was based on spotting an error in a previous interpretation of the vertebral skeleton of the articulated megalodon from Belgium.

It demonstrated that all previous reconstructions of megalodon that used the white shark as model for its body shape are incorrect. This has serious implications for future Hollywood productions, as every B movie ever made about this shark used scaled-up white sharks to make their CGI megalodons (back to the drawing board, guys!).

This iconic extinct shark is known principally from its huge fossil teeth, and sometimes rare articulated remains of large, calcified vertebral discs, like the superb fossil from Belgium now in the Royal Belgian Institute of Natural Sciences, which comprises 141 associated but slightly disarticulated vertebral discs and no teeth. It measures around 11 metres long, yet is incomplete, and from the growth rings in the discs we find it was 46 years old at death. It must belong to megalodon, as no other shark of this age grows to such large size.

Recent study of megalodon’s scale shapes, based on a partial skeleton found in Japan, revealed that it was generally a slow-cruising shark capable of an occasional burst of speed to catch its prey. Kenshu Shimada estimated from the scales that it swam through the ocean at around 2.8 kilometres per hour, which is slower than most of the living lamnid sharks, including the white shark, which cruises at between 3–3.5 kph.

Queen of the Megalodons

Catalina Pimiento, whom I call Queen of the Megalodons (she approves), is the world’s leading expert on this species. Her work helps us understand why researching the long-dead remains of a gigantic shark is useful today, leading us to better understand the factors that are now changing our world.

Her research has shed new light not only on the biology and lifestyle of this giant shark, but also on how it coped with major shifts in global climate and oceanic circulation in the Miocene and Pliocene periods (between 23 and 2.6 million years ago). And she has made the most detailed study of the factors that drove it to extinction.

Catalina grew up in in Bogotá, Colombia, keeping her head low and going to school during a time of violent civil unrest that resulted in hundreds of thousands of victims. Her undergraduate work was on living whale sharks, and this became her hook into marine biology, leading her eventually to the University of Florida.

While she intended to work on living sharks, her supervisor suggested she might look at a project on fossil sharks. Catalina agreed and began working on a site in Panama where middle to late Miocene shark teeth were found, so she collected and described this new collection of fossil sharks.

She is the only person I know who has written two postgraduate dissertations on megalodon. These works dragged her willingly into the world of fossil sharks, gravitating around the big body mass of megalodon and the mystery of its extinction.

Her first question to solve was what the average size for a megalodon was and whether this size changed over geological time. Catalina looked at thousands of fossil megalodon teeth from around the globe to discover new insights into the daily life and ultimate demise of megalodon. She proved megalodon had an average body size around 10-11 metres for the 14-million-year period the samples represented.

The megalodon was huge, so how did it fill its belly in its endless search for food and energy?

Megalodon: the ultimate predator

We know of two nearly complete sets of megalodon jaws – one from Saitama, Japan, and one from the Yorktown Formation in Maryland.

The latter was used as the basis for a complete reconstruction made by the Smithsonian Natural History Museum in 2020. That reconstructed life-sized set of megalodon jaws is nearly 3 metres high by 3.4 metres wide and contains nearly full rows of fossil teeth in every jaw position (182 teeth in all, although a complete megalodon jaw is estimated to have had around 276 teeth).

We have many thousands of good examples of megalodon teeth from many sites around the world, including some that made their way to the surface as part of the dredging of the deep ocean seabeds.

We bone detectives can deduce a lot about megalodon’s lifestyle from studying the teeth and deciphering the geological context of where they were deposited. For example, they tell us where it lived and at what time, and what it ate, from toothmarks it left on bones or from the teeth it left embedded in them.

The biggest megalodon teeth are fat triangular teeth measuring just over 7 inches long, adorned with sharply serrated biting edges like a jagged steak knife. They have been found in every part of the world except Antarctica (where we do have Pliocene fossil deposits with fossil whales but no megalodon teeth). This tells us that even with its huge body mass there were still parts of the world where it would not venture because of the extremely cold seas.

So, with such powerful and terrifying jaws, what did megalodons like to eat?

In our scene at the start, I imagined the shark hunting the small Piscobalaena whales, because we have direct evidence of megalodon tooth marks incised into the bones of this fossil whale. Other bones of seals show megalodon tooth cuts as well. Their big teeth leave distinctive cut marks that look like deep trenches of dotted lines caused by the tooth’s serrated edges slipping over the bone surface.

The fossil whale was attacked from the side, targeting the head region, as the cuts are found on the lower jaws, while the seal was bitten around the shoulder, suggesting the top half of the body might well have been severed by the powerful bite.

Megalodon tooth scars have been found on the tooth of a large extinct sperm whale that lived 5 million years ago. The deadliest and most spectacular of all the predatory whales at this time was one whose name harks back to biblical and literary fables, Livyatan melvillei (honouring Herman Melville and Moby-Dick). It had deadly curved tusks lining both its jaws (modern sperm whales have only lower jaw teeth).

It reached a maximum body length of around 17 metres. I have no doubt that both these giants preyed on each other at different stages of their lives — adult megalodons feeding on juvenile Livyatans and vice versa. We can also determine what megalodon was eating from the chemistry of its fossil bones and teeth.

Zinc is a necessary element for the mineralisation of skeletons, especially teeth. It is acquired by eating certain types of prey, and certain isotopes of zinc can be traced in the shark’s teeth. By analysing the ratio of zinc isotopes, scientists can plot what level of the food chain ancient sharks were occupying.

Using this method, a team led by Jeremy McCormack of the Max Planck Institute in Germany was able to determine that megatoothed sharks were eating high-level food resources like marine mammals. The ratio of certain isotopes of zinc in the tooth enameloid of fossil sharks determined whether the shark was a top predator, based on comparing the same zinc ratios in various living sharks.

What Jeremy and his team also found was that during the Pliocene period (5.3 to 2.6 million years ago), the emerging guild of white sharks occupied the same niche as megalodons — in other words, eating much the same prey.

While this finding might suggest that the increase in abundance of white sharks at this time could possibly explain the demise of megalodon from stiff competition for the same food resources, there is no hard evidence that this was really the main cause of megalodon’s extinction.

For example, today we find that orcas coexist with white sharks and still eat similar large prey items — small whales, dolphins and seals — but one is not driving down the population of the other as far as we can see; rather, populations of both are kept in balance by the amount of prey resources available.

Fossils confirm that orcas and white sharks have coexisted happily for at least the past 6 million years, a similar time that white sharks swam alongside megalodon.

The lamniformes sharks include the only shark species that can generate higher body temperatures than surrounding seawater by capturing heat generated from their powerful body muscles. Therefore, they are essentially warm-blooded or endothermic. Today, these are the white shark, makos and thresher sharks.

Paleontologists have speculated that as megalodon is one of the lamniformes with a lifestyle similar to that of the white shark, an apex predator hunting marine mammals, it also would likely have been warm-blooded. Some suggested its body temperature might have been as high as (35°C). This would have made it easier for megalodon to cruise across oceans with fluctuating water temperatures or venture into colder, higher latitude seas rich in nutrients where whales like to feed.

This was all speculation, until a breakthrough was announced in mid-2023 that provided hard evidence megalodon was warm-blooded. The state-of-the-art method of clumped isotope paleothermometry, which measures the temperatures of chemical bond formation in the tissues of the teeth, shows that megalodon really did have a highly elevated body temperature of around 27°C.

The researchers also calculated the temperature of the seawater from oxygen isotope formed in clam shells found with megalodon teeth in the same fossil deposits. This showed the giant shark had a body temperature about 7°C higher than the seas it lived in.

Today’s whale sharks have a similar body temperature to that calculated for megalodon, but they do this through living in warmer seas — they do not generate their own internal body heat. The megalodon’s warm-blooded metabolism could have been a key driver of its growing large so quickly. One study suggested that its body heat was needed for digestion of large pieces of ingested whale meat as well as for absorbing and processing nutrients.

Another, somewhat darker theory has recently emerged that could explain why sharks like megalodon and its ancestors could have grown so big and been warm-blooded. The lamniform sharks, the group that megalodon belongs in, are today characterised by their intrauterine cannibalism. This occurs when the young hatch from eggs inside the mother and begin to eat the unhatched eggs, or even other baby sharks, still inside the mother’s womb.

Because the large lamnids, like white sharks, makos and thresher sharks, are warm-blooded, they have higher energy requirements than most other sharks. The intrauterine cannibalism raises their body temperature slightly higher than the seawater in which they live, enabling them to hunt in colder waters and to swim faster. According to DePaul University shark palaeontologist Kenshu Shimada, this warm-blooded condition in lamnid sharks could have “pushed up the internal heat” levels required for a big megalodon, also speeding up its growth rates.

Why did megaladon go extinct?

We have now seen how abundant and successful megalodon was – so what caused its ultimate demise? How does such a mighty shark at the apex of the ocean’s food chain go extinct? Was it a global climate change trend, or did its prey suddenly die out? What evidence do we have for assessing its extinction? The sudden disappearance of megalodon sometime around 3 million years ago remains one of the great mysteries of shark paleontology.

Let’s start by looking at what was going on with respect to continents moving, currents shifting, and climates changing during the last few million years of megalodon’s reign.

At the start of the Pliocene (5.3 million years ago), global temperatures rose to about 2–4°C higher than they are today. Then things turned around at 3 million years ago, when there was a dive in sea temperatures as the Arctic ice cap formed and cold currents flowed up from the Antarctic. The warm equatorial currents that flowed around the globe ended when the long, slow collision of North and South America finished around 2.7 million years ago, as the Isthmus of Panama rose from the seafloor.

At this time, we find giant land animals moving between South America and North America — ground sloths, elephants, sabre-toothed cats and many other creatures — in what is called the Great American Biotic Interchange . Seaways that might have been migratory pathways for big sharks like megalodon suddenly closed.

Using her database of many hundreds of megalodon teeth finds from around the world, Catalina Pimiento compared the abundance and geographical range of teeth with causal factors like sea level changes and consequent habitat loss. Her conclusion was that the reduction of coastal habitats, as sea levels fell because of growing ice caps at the poles, caused a collapse of the marine ecosystems necessary for sustaining the entire food chain of the oceans.

This environmental change caused the extinction of one-third of the marine megafauna — not only megalodon, but also many species of whales, sharks, large sea turtles and huge flying seabirds — at the end of the Pliocene, around 2.6 million years ago.

The collapse of these ecosystems implies that megalodon lost many of its primary food sources during this time, as many species of whales went extinct, driving it to its demise.

British fossil shark expert David Ward thinks that megalodon could have bumped out a little earlier than this date, as he doesn’t know of any megalodon teeth that have been reliably dated younger than 3.7 million years old. Either way, we can say with utmost confidence that the last megalodon went extinct sometime between 3.7 and 2.6 million years ago.

The exact reasons for megalodon’s demise remain unknown, but they could relate to either ocean cooling with the onset of ice ages, starting about 2.6 million years ago, causing the habitat loss discussed above, or biological factors like the events surrounding the evolution and migration of whales to colder Antarctic waters where the sharks could not go.

It seems likely that the growth and huge size of modern baleen whales, the largest animals on the planet, could well have been driven by predation pressures from megalodons. Their ability to endure and feed in near-freezing Antarctic waters might have been a factor in why megalodon went extinct.

Whales cope well in Arctic or Antarctic waters, but no sharks today can survive in waters that are as low as 0 to -1.7°C. The annual migration of large filter-feeding whales to feed in rich Antarctic waters might have been the last straw in the megalodon ecosystem collapse. It likely went extinct with a whimper rather than a bang.

This is an edited extract from The Secret History of Sharks: The Rise of the Ocean’s Most Fearsome Predators by John Long (Quercus Books, Australia; Ballantine Books, USA).

• Paleontology
• Friday essay
• Megalodon shark
• Megalodon teeth
• Megalodon fossils

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