can you end your thesis with a question

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

Can A Thesis Statement Be A Question? A Guide

In academic writing, writing a thesis statement is fundamental, often prompting the question: Can a thesis statement be a question? If you are wondering about this, you are at the right place. 

Here, we look into the thesis statement, exploring its purpose in an essay, and addressing whether it can take the form of a question. We’ll uncover the details of thesis statement construction, offering clarity and guidance for you to  to enhance your academic writing skills.

What Is A Thesis Statement?

A thesis statement is your essay’s backbone, the single sentence that holds your entire argument together. See it as all of these in your writing:

• Argument, and
• The roadmap.

A thesis statement not just an answer to a question posed by your assignment; it’s a concise summary of the main idea you want to convey to your reader. It is usually definitive statement that provides an answer to the central question of your essay.

The thesis statement usually appears in the earlier part of your writing. In a regular essay, it may show up on the first paragraph. In longer writing such as a Ph.D thesis, it may show up in the first chapter.

The length of a thesis statement is often a single sentence.

However, this one sentence packs a punch; it needs to be engaging and logical, offering a clear point of view that you will support with evidence throughout the rest of the paper.

A thesis statement is not a simple observation or a vague proposition.

For example, if your essay discusses the potential benefits of using computers in a fourth-grade class, your thesis would present a strong argument, convincing the reader of your perspective.

Let’s consider an example.

Suppose you’re writing about the policy implications of storytelling in political campaigns. An effective thesis might be,

“Storytelling techniques in political campaigns significantly influence voter behaviour by engaging emotions and framing candidates’ narratives.”

Thesis statement not only introduces your topic but also presents an interpretation that you will elaborate and support with evidence.

A good thesis statement is clear and to the point, avoiding wandering words and open-ended questions. It sets the tone for the rest of your essay, making your writing more structured and your argument more compelling. 

Thesis statement examples

• Environmental Science : “This paper argues that the rapid decline in bee populations globally is not only a threat to biodiversity but also poses significant risks to crop pollination, highlighting the need for immediate and coordinated conservation efforts.”
• History : “The fall of the Roman Empire was not a singular event caused by barbarian invasions, but rather a culmination of factors including economic instability, overexpansion, and the failure of its political systems.”
• Literature : “In ‘To Kill a Mockingbird,’ Harper Lee uses the innocence of childhood to expose the deeply rooted racial prejudices in 1930s Southern America, challenging the moral integrity of societal norms.”
• Technology and Society : “The widespread use of social media has fundamentally altered interpersonal communication, fostering a culture of instant gratification and superficial relationships while diminishing privacy and deep connections.”
• Education : “The current standard testing system in U.S. schools undermines creativity and critical thinking in students, leading to an educational environment that prioritizes rote memorization over genuine learning and skill development.”
• Economics : “The rise of cryptocurrency challenges the traditional financial systems by offering decentralization and transparency, but it also raises significant concerns regarding market stability and regulatory oversight.”
• Psychology : “Attachment theory demonstrates that early childhood experiences significantly influence emotional development and interpersonal relationships in adulthood, underscoring the importance of nurturing parent-child bonds.”
• Healthcare Policy : “Universal healthcare, while costly, is essential in ensuring equitable access to medical services for all citizens, reducing health disparities, and promoting overall societal well-being.”
• Philosophy : “Existentialism, as explored through the works of Jean-Paul Sartre, argues that individual freedom and choice are paramount, positing that humans define their own meaning in a world that intrinsically lacks it.”
• Political Science : “The increasing polarization in American politics is not just a result of ideological differences but is also amplified by the media’s tendency to sensationalize and create echo chambers rather than facilitating balanced discourse.”

Can A Thesis Statement Be A Question? 

The straight answer is no; a thesis statement should not be phrased as a question.

This is because the thesis statement is the heart of your essay, the main argument that guides the entire narrative. It’s not about posing more questions; it’s about providing clear, decisive answers.

Imagine you’re writing a paper on the impact of storytelling in political campaigns. Let’s say you write a thesis statement as a question, asking, “How does storytelling influence voters?”

Now compare that with a thesis statement that assertively present your point of view:

“Storytelling in political campaigns significantly shapes voter perceptions by weaving complex narratives around candidates.”

This statement does more than just answer the initial question; it sets a clear direction for your essay. It’s usually placed at the end of the first paragraph, giving the reader a lens through which to interpret the information you present.

This single sentence is your opportunity to present a strong, compelling argument that will guide the rest of your essay.

In academic writing, a good thesis statement is crucial. It’s not just an observation or a vague proposal; it’s a well-defined stance.

For instance, if your topic is the use of computers in fourth-grade classes, your thesis shouldn’t vaguely suggest that computers might be beneficial.

Instead, it should present a strong argument, like, “Integrating computers into fourth-grade curricula dramatically improves students’ engagement and technological skills.”

A robust thesis statement requires you to:

• Evaluate your topic,
• Take a specific stance, and
• Persuade your reader with a logical, coherent argument.

It’s the cornerstone of your essay, providing a foundation for the arguments and evidence you will present.

Can a Thesis Statement Be an Opinion?

Yes, a thesis statement is essentially an opinion, but it’s more than just a personal viewpoint. 

Think of your thesis statement as the main argument or point of view that your essay will support and develop. It’s not just any opinion; it’s a well-considered, persuasive argument that addresses the main topic of your essay.

For example, if you’re writing about the role of storytelling in political campaigns, your thesis might be, “Storytelling in political campaigns is a crucial strategy that significantly influences voter behaviour by framing candidates’ narratives.”

This is your opinion, yes, but it’s also an argument that you will substantiate with evidence and analysis throughout your essay. 

In crafting your thesis statement, you’re not just stating what you believe. You’re constructing an argument that you’ll support with logical reasoning and empirical evidence.

It’s the anchor of your essay, providing both a guide for your writing and a point of engagement for your reader. This is where your voice, as the writer, comes into play, offering a unique interpretation or evaluation of the topic at hand.

So, while a thesis statement is an opinion, it’s an opinion formed through careful thought and supported by rigorous analysis.

How Can You Write a Good Thesis Statement?

Writing a good thesis statement is a skill you can master with practice and understanding. Here are five ways to craft an effective thesis statement for your essay:

• Answer the Prompt Directly : Your thesis statement should directly answer the question posed by your assignment. If the prompt asks about the potential benefits of using computers in a fourth-grade class, your thesis statement should provide a clear, concise response.
• Be Specific and Concise : Vagueness can make your thesis statement less effective. Instead of a broad statement like “Computers are helpful in education,” opt for specificity: “Using computers in a fourth-grade class significantly improves engagement and understanding in mathematics and science.”
• Take a Clear Stance : A strong thesis statement presents a clear point of view. Let’s say your topic is storytelling in political campaigns. Instead of a neutral observation, your thesis should take a stance: “Storytelling in political campaigns reshapes voter perceptions more effectively than policy discussions.”
• Make it Debatable : Your thesis should invite discussion and not just state a fact – “The Brexit referendum’s outcome was influenced by social media” could be more engaging if phrased as: “Social media swayed public opinion more than rallies during the Brexit referendum.”
• Revise as Necessary : What starts as “Storytelling affects voter behaviour” can evolve into a more nuanced thesis: “Narrative storytelling in campaigns transforms voter engagement by personalising candidates and creating emotional connections.”

Thesis Statement Is A Statement, Not A Question

While a thesis statement serves as the guiding star of an essay, framing it as a question is not the standard approach. Instead, it should assertively present a clear, debatable argument, setting the foundation for your essay’s direction and focus.

Understanding this key aspect of academic writing empowers you to craft compelling, thought-provoking thesis statements that effectively guide your reader through your essay’s narrative and arguments. 

Dr Andrew Stapleton has a Masters and PhD in Chemistry from the UK and Australia. He has many years of research experience and has worked as a Postdoctoral Fellow and Associate at a number of Universities. Although having secured funding for his own research, he left academia to help others with his YouTube channel all about the inner workings of academia and how to make it work for you.

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Writing Tutorial Services

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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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 + 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 .

Can a Thesis Statement Be a Question: Tips on Writing the Perfect Thesis Statement

You have probably struggled with your thesis statement when writing a research paper on whether the statement can be a question or not. And for many finding the perfect statement is one of the struggles in writing.

But in this blog, we’ll explore the formal and informal definitions of a thesis statement and then talk about whether or not it can be a question. It covers what your thesis statement should be as well as tips and tricks on how to write one.

After reading this post, you will be better placed to write your thesis statement and generally understand its structure.

Can a Thesis Statement Be a Question

Generally, your thesis statement cannot be a question because it essentially answers the question, “what is this paper about?” However, it’s a good idea to think of your thesis statement as a question, but it shouldn’t be an actual question.

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Your thesis statement is a declarative sentence that tells readers what you will discuss in your essay. If you have a question instead of a statement, it will be hard for people to know what your paper is about.

Further, the statement is a sentence in your essay providing your paper’s main idea. It is also the purpose or theme of your article and often appears near the beginning of your writing. This further shows that questions may not be the best if used as thesis statements.

Also see: Best thesis generator for your college paper 

Thesis statements can be various, but they all have one thing in common; they state an opinion or position on a particular subject. Therefore, a thesis statement is not just a statement of fact. It is an assertion that you will prove with evidence from your research.

Further, a question does not present or state a fact or claim. Thus questions should appear in the body but not as a thesis statement.

Can You Ask a Question in a Thesis Statement

In most cases, you cannot ask a question in a thesis statement because it will not help your readers understand what your paper is about.

It is essential to understand a thesis statement to know why you cannot ask a question in it. A thesis statement is used when writing an academic paper and is usually found at the end of your introduction paragraph, which states what you will talk about in your essay. It can also be used as a summary or summary sentence for your paper.

Similarly, it is the central point of your paper. It states what you’re going to talk about and how you’re going to talk about it. In most cases, it’s a declarative sentence that tells your reader what your argument is without giving away the conclusion. Thus, it is the backbone of your essay and acts as your chance to tell the reader what you’ll talk about and why it’s crucial.

For these reasons, you cannot ask a question here because it will be more confusing. The general rule is to make it clear and concise, and questions do not provide this clarity or conciseness.

How to Write a Good Thesis Statement With Examples

The thesis statement is the most critical element of your essay. The statement tells your reader what to expect and why it’s worth reading.

A good thesis statement is clear, concise, and specific. It states your position on an issue but doesn’t overstate or understate it. It contains a word or phrase that will grab the attention of your reader and make them want to keep reading.

The following are some tips to help you craft a good statement;

Be clear and focused.

This means you should ensure your thesis statement clearly states the main idea of your paper without any ambiguity or vagueness. You should avoid using superlatives in your statement as they do not add anything substantial but make it more difficult for the reader to understand what you are trying to say.

Also, do not use phrases like “this paper argues” or “this paper will discuss” as they do not give much information about what is going on in the rest of your paper

Further, don’t try to cover everything in one sentence. Instead, choose one main idea and make it clear what that idea is. The thesis statement should not have several ideas or multiple points because doing so will confuse readers and make it difficult for them to follow your argumentation in the body paragraphs of your essay.

Make sure it’s a declarative sentence

A good thesis statement is a declarative sentence that clearly states what your paper is about. It must be specific enough to serve as an organizing principle for the article but not so narrow that it limits your ability to explore other ideas during research and writing.

For example, you can say dogs do not like milk rather than dogs may like milk.

Additionally, don’t use words like “I believe” or “I think.” Instead, come up with a fact that you want to prove. For example, if you’re writing about the effects of pollution on the environment, write something like “Air pollution is responsible for millions of deaths each year.”

Include appropriate keywords or phrases related to your topic

Your thesis statement should contain proper keywords or phrases related to your subject to help readers understand what they’ll learn from reading your essay.

Use short sentences, active verbs, and simple words in your thesis statement; they improve readability and make it easy for readers to understand your statement quickly.

For example, if the topic is factors contributing to dog illnesses, your statement may include keywords like dog illnesses.

Want to create or adapt books like this? Learn more about how Pressbooks supports open publishing practices.

9.1 Developing a Strong, Clear Thesis Statement

Learning objectives.

• Develop a strong, clear thesis statement with the proper elements.
• Revise your thesis statement.

Have you ever known a person who was not very good at telling stories? You probably had trouble following his train of thought as he jumped around from point to point, either being too brief in places that needed further explanation or providing too many details on a meaningless element. Maybe he told the end of the story first, then moved to the beginning and later added details to the middle. His ideas were probably scattered, and the story did not flow very well. When the story was over, you probably had many questions.

Just as a personal anecdote can be a disorganized mess, an essay can fall into the same trap of being out of order and confusing. That is why writers need a thesis statement to provide a specific focus for their essay and to organize what they are about to discuss in the body.

Just like a topic sentence summarizes a single paragraph, the thesis statement summarizes an entire essay. It tells the reader the point you want to make in your essay, while the essay itself supports that point. It is like a signpost that signals the essay’s destination. You should form your thesis before you begin to organize an essay, but you may find that it needs revision as the essay develops.

Elements of a Thesis Statement

For every essay you write, you must focus on a central idea. This idea stems from a topic you have chosen or been assigned or from a question your teacher has asked. It is not enough merely to discuss a general topic or simply answer a question with a yes or no. You have to form a specific opinion, and then articulate that into a controlling idea —the main idea upon which you build your thesis.

Remember that a thesis is not the topic itself, but rather your interpretation of the question or subject. For whatever topic your professor gives you, you must ask yourself, “What do I want to say about it?” Asking and then answering this question is vital to forming a thesis that is precise, forceful and confident.

A thesis is one sentence long and appears toward the end of your introduction. It is specific and focuses on one to three points of a single idea—points that are able to be demonstrated in the body. It forecasts the content of the essay and suggests how you will organize your information. Remember that a thesis statement does not summarize an issue but rather dissects it.

A Strong Thesis Statement

A strong thesis statement contains the following qualities.

Specificity. A thesis statement must concentrate on a specific area of a general topic. As you may recall, the creation of a thesis statement begins when you choose a broad subject and then narrow down its parts until you pinpoint a specific aspect of that topic. For example, health care is a broad topic, but a proper thesis statement would focus on a specific area of that topic, such as options for individuals without health care coverage.

Precision. A strong thesis statement must be precise enough to allow for a coherent argument and to remain focused on the topic. If the specific topic is options for individuals without health care coverage, then your precise thesis statement must make an exact claim about it, such as that limited options exist for those who are uninsured by their employers. You must further pinpoint what you are going to discuss regarding these limited effects, such as whom they affect and what the cause is.

Ability to be argued. A thesis statement must present a relevant and specific argument. A factual statement often is not considered arguable. Be sure your thesis statement contains a point of view that can be supported with evidence.

Ability to be demonstrated. For any claim you make in your thesis, you must be able to provide reasons and examples for your opinion. You can rely on personal observations in order to do this, or you can consult outside sources to demonstrate that what you assert is valid. A worthy argument is backed by examples and details.

Forcefulness. A thesis statement that is forceful shows readers that you are, in fact, making an argument. The tone is assertive and takes a stance that others might oppose.

Confidence. In addition to using force in your thesis statement, you must also use confidence in your claim. Phrases such as I feel or I believe actually weaken the readers’ sense of your confidence because these phrases imply that you are the only person who feels the way you do. In other words, your stance has insufficient backing. Taking an authoritative stance on the matter persuades your readers to have faith in your argument and open their minds to what you have to say.

Even in a personal essay that allows the use of first person, your thesis should not contain phrases such as in my opinion or I believe . These statements reduce your credibility and weaken your argument. Your opinion is more convincing when you use a firm attitude.

On a separate sheet of paper, write a thesis statement for each of the following topics. Remember to make each statement specific, precise, demonstrable, forceful and confident.

• Texting while driving
• The legal drinking age in the United States
• Steroid use among professional athletes

Examples of Appropriate Thesis Statements

Each of the following thesis statements meets several of the following requirements:

• Specificity
• Ability to be argued
• Ability to be demonstrated
• Forcefulness
• The societal and personal struggles of Troy Maxon in the play Fences symbolize the challenge of black males who lived through segregation and integration in the United States.
• Closing all American borders for a period of five years is one solution that will tackle illegal immigration.
• Shakespeare’s use of dramatic irony in Romeo and Juliet spoils the outcome for the audience and weakens the plot.
• J. D. Salinger’s character in Catcher in the Rye , Holden Caulfield, is a confused rebel who voices his disgust with phonies, yet in an effort to protect himself, he acts like a phony on many occasions.
• Compared to an absolute divorce, no-fault divorce is less expensive, promotes fairer settlements, and reflects a more realistic view of the causes for marital breakdown.
• Exposing children from an early age to the dangers of drug abuse is a sure method of preventing future drug addicts.
• In today’s crumbling job market, a high school diploma is not significant enough education to land a stable, lucrative job.

You can find thesis statements in many places, such as in the news; in the opinions of friends, coworkers or teachers; and even in songs you hear on the radio. Become aware of thesis statements in everyday life by paying attention to people’s opinions and their reasons for those opinions. Pay attention to your own everyday thesis statements as well, as these can become material for future essays.

Now that you have read about the contents of a good thesis statement and have seen examples, take a look at the pitfalls to avoid when composing your own thesis:

A thesis is weak when it is simply a declaration of your subject or a description of what you will discuss in your essay.

Weak thesis statement: My paper will explain why imagination is more important than knowledge.

A thesis is weak when it makes an unreasonable or outrageous claim or insults the opposing side.

Weak thesis statement: Religious radicals across America are trying to legislate their Puritanical beliefs by banning required high school books.

A thesis is weak when it contains an obvious fact or something that no one can disagree with or provides a dead end.

Weak thesis statement: Advertising companies use sex to sell their products.

A thesis is weak when the statement is too broad.

Weak thesis statement: The life of Abraham Lincoln was long and challenging.

Read the following thesis statements. On a separate piece of paper, identify each as weak or strong. For those that are weak, list the reasons why. Then revise the weak statements so that they conform to the requirements of a strong thesis.

• The subject of this paper is my experience with ferrets as pets.
• The government must expand its funding for research on renewable energy resources in order to prepare for the impending end of oil.
• Edgar Allan Poe was a poet who lived in Baltimore during the nineteenth century.
• In this essay, I will give you lots of reasons why slot machines should not be legalized in Baltimore.
• Despite his promises during his campaign, President Kennedy took few executive measures to support civil rights legislation.
• Because many children’s toys have potential safety hazards that could lead to injury, it is clear that not all children’s toys are safe.
• My experience with young children has taught me that I want to be a disciplinary parent because I believe that a child without discipline can be a parent’s worst nightmare.

Writing at Work

Often in your career, you will need to ask your boss for something through an e-mail. Just as a thesis statement organizes an essay, it can also organize your e-mail request. While your e-mail will be shorter than an essay, using a thesis statement in your first paragraph quickly lets your boss know what you are asking for, why it is necessary, and what the benefits are. In short body paragraphs, you can provide the essential information needed to expand upon your request.

Thesis Statement Revision

Your thesis will probably change as you write, so you will need to modify it to reflect exactly what you have discussed in your essay. Remember from Chapter 8 “The Writing Process: How Do I Begin?” that your thesis statement begins as a working thesis statement , an indefinite statement that you make about your topic early in the writing process for the purpose of planning and guiding your writing.

Working thesis statements often become stronger as you gather information and form new opinions and reasons for those opinions. Revision helps you strengthen your thesis so that it matches what you have expressed in the body of the paper.

The best way to revise your thesis statement is to ask questions about it and then examine the answers to those questions. By challenging your own ideas and forming definite reasons for those ideas, you grow closer to a more precise point of view, which you can then incorporate into your thesis statement.

Ways to Revise Your Thesis

You can cut down on irrelevant aspects and revise your thesis by taking the following steps:

1. Pinpoint and replace all nonspecific words, such as people , everything , society , or life , with more precise words in order to reduce any vagueness.

Working thesis: Young people have to work hard to succeed in life.

Revised thesis: Recent college graduates must have discipline and persistence in order to find and maintain a stable job in which they can use and be appreciated for their talents.

The revised thesis makes a more specific statement about success and what it means to work hard. The original includes too broad a range of people and does not define exactly what success entails. By replacing those general words like people and work hard , the writer can better focus his or her research and gain more direction in his or her writing.

2. Clarify ideas that need explanation by asking yourself questions that narrow your thesis.

Working thesis: The welfare system is a joke.

Revised thesis: The welfare system keeps a socioeconomic class from gaining employment by alluring members of that class with unearned income, instead of programs to improve their education and skill sets.

A joke means many things to many people. Readers bring all sorts of backgrounds and perspectives to the reading process and would need clarification for a word so vague. This expression may also be too informal for the selected audience. By asking questions, the writer can devise a more precise and appropriate explanation for joke . The writer should ask himself or herself questions similar to the 5WH questions. (See Chapter 8 “The Writing Process: How Do I Begin?” for more information on the 5WH questions.) By incorporating the answers to these questions into a thesis statement, the writer more accurately defines his or her stance, which will better guide the writing of the essay.

3. Replace any linking verbs with action verbs. Linking verbs are forms of the verb to be , a verb that simply states that a situation exists.

Working thesis: Kansas City schoolteachers are not paid enough.

Revised thesis: The Kansas City legislature cannot afford to pay its educators, resulting in job cuts and resignations in a district that sorely needs highly qualified and dedicated teachers.

The linking verb in this working thesis statement is the word are . Linking verbs often make thesis statements weak because they do not express action. Rather, they connect words and phrases to the second half of the sentence. Readers might wonder, “Why are they not paid enough?” But this statement does not compel them to ask many more questions. The writer should ask himself or herself questions in order to replace the linking verb with an action verb, thus forming a stronger thesis statement, one that takes a more definitive stance on the issue:

• Who is not paying the teachers enough?
• What is considered “enough”?
• What is the problem?
• What are the results

4. Omit any general claims that are hard to support.

Working thesis: Today’s teenage girls are too sexualized.

Revised thesis: Teenage girls who are captivated by the sexual images on MTV are conditioned to believe that a woman’s worth depends on her sensuality, a feeling that harms their self-esteem and behavior.

It is true that some young women in today’s society are more sexualized than in the past, but that is not true for all girls. Many girls have strict parents, dress appropriately, and do not engage in sexual activity while in middle school and high school. The writer of this thesis should ask the following questions:

• Which teenage girls?
• What constitutes “too” sexualized?
• Why are they behaving that way?
• Where does this behavior show up?
• What are the repercussions?

In the first section of Chapter 8 “The Writing Process: How Do I Begin?” , you determined your purpose for writing and your audience. You then completed a freewriting exercise about an event you recently experienced and chose a general topic to write about. Using that general topic, you then narrowed it down by answering the 5WH questions. After you answered these questions, you chose one of the three methods of prewriting and gathered possible supporting points for your working thesis statement.

Now, on a separate sheet of paper, write down your working thesis statement. Identify any weaknesses in this sentence and revise the statement to reflect the elements of a strong thesis statement. Make sure it is specific, precise, arguable, demonstrable, forceful, and confident.

Collaboration

Please share with a classmate and compare your answers.

In your career you may have to write a project proposal that focuses on a particular problem in your company, such as reinforcing the tardiness policy. The proposal would aim to fix the problem; using a thesis statement would clearly state the boundaries of the problem and tell the goals of the project. After writing the proposal, you may find that the thesis needs revision to reflect exactly what is expressed in the body. Using the techniques from this chapter would apply to revising that thesis.

Key Takeaways

• Proper essays require a thesis statement to provide a specific focus and suggest how the essay will be organized.
• A thesis statement is your interpretation of the subject, not the topic itself.
• A strong thesis is specific, precise, forceful, confident, and is able to be demonstrated.
• A strong thesis challenges readers with a point of view that can be debated and can be supported with evidence.
• A weak thesis is simply a declaration of your topic or contains an obvious fact that cannot be argued.
• Depending on your topic, it may or may not be appropriate to use first person point of view.
• Revise your thesis by ensuring all words are specific, all ideas are exact, and all verbs express action.

Writing for Success Copyright © 2015 by University of Minnesota is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License , except where otherwise noted.

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How to Conclude an Essay (with Examples)

Last Updated: April 3, 2023 Fact Checked

Writing a Strong Conclusion

What to avoid, brainstorming tricks.

This article was co-authored by Jake Adams and by wikiHow staff writer, Aly Rusciano . Jake Adams is an academic tutor and the owner of Simplifi EDU, a Santa Monica, California based online tutoring business offering learning resources and online tutors for academic subjects K-College, SAT & ACT prep, and college admissions applications. With over 14 years of professional tutoring experience, Jake is dedicated to providing his clients the very best online tutoring experience and access to a network of excellent undergraduate and graduate-level tutors from top colleges all over the nation. Jake holds a BS in International Business and Marketing from Pepperdine University. There are 8 references cited in this article, which can be found at the bottom of the page. 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 3,207,630 times.

So, you’ve written an outstanding essay and couldn’t be more proud. But now you have to write the final paragraph. The conclusion simply summarizes what you’ve already written, right? Well, not exactly. Your essay’s conclusion should be a bit more finessed than that. Luckily, you’ve come to the perfect place to learn how to write a conclusion. We’ve put together this guide to fill you in on everything you should and shouldn’t do when ending an essay. Follow our advice, and you’ll have a stellar conclusion worthy of an A+ in no time.

Things You Should Know

• Rephrase your thesis to include in your final paragraph to bring the essay full circle.
• End your essay with a call to action, warning, or image to make your argument meaningful.
• Keep your conclusion concise and to the point, so you don’t lose a reader’s attention.
• Do your best to avoid adding new information to your conclusion and only emphasize points you’ve already made in your essay.

• “All in all”
• “Ultimately”
• “Furthermore”
• “As a consequence”
• “As a result”

• Make sure to write your main points in a new and unique way to avoid repetition.

• Let’s say this is your original thesis statement: “Allowing students to visit the library during lunch improves campus life and supports academic achievement.”
• Restating your thesis for your conclusion could look like this: “Evidence shows students who have access to their school’s library during lunch check out more books and are more likely to complete their homework.”
• The restated thesis has the same sentiment as the original while also summarizing other points of the essay.

• “When you use plastic water bottles, you pollute the ocean. Switch to using a glass or metal water bottle instead. The planet and sea turtles will thank you.”
• “The average person spends roughly 7 hours on their phone a day, so there’s no wonder cybersickness is plaguing all generations.”
• “Imagine walking on the beach, except the soft sand is made up of cigarette butts. They burn your feet but keep washing in with the tide. If we don’t clean up the ocean, this will be our reality.”
• “ Lost is not only a show that changed the course of television, but it’s also a reflection of humanity as a whole.”
• “If action isn’t taken to end climate change today, the global temperature will dangerously rise from 4.5 to 8 °F (−15.3 to −13.3 °C) by 2100.”

• Focus on your essay's most prevalent or important parts. What key points do you want readers to take away or remember about your essay?

• For instance, instead of writing, “That’s why I think that Abraham Lincoln was the best American President,” write, “That’s why Abraham Lincoln was the best American President.”
• There’s no room for ifs, ands, or buts—your opinion matters and doesn’t need to be apologized for!

• For instance, words like “firstly,” “secondly,” and “thirdly” may be great transition statements for body paragraphs but are unnecessary in a conclusion.

• For instance, say you began your essay with the idea that humanity’s small sense of sense stems from space’s vast size. Try returning to this idea in the conclusion by emphasizing that as human knowledge grows, space becomes smaller.

• For example, you could extend an essay on the television show Orange is the New Black by bringing up the culture of imprisonment in America.

Community Q&A

• Always review your essay after writing it for proper grammar, spelling, and punctuation, and don’t be afraid to revise. Thanks Helpful 2 Not Helpful 1
• Ask a friend, family member, or teacher for help if you’re stuck. Sometimes a second opinion is all you need. Thanks Helpful 2 Not Helpful 1

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• ↑ https://www.uts.edu.au/current-students/support/helps/self-help-resources/grammar/transition-signals
• ↑ https://owl.purdue.edu/owl/general_writing/common_writing_assignments/argument_papers/conclusions.html
• ↑ http://writing2.richmond.edu/writing/wweb/conclude.html
• ↑ https://writingcenter.fas.harvard.edu/pages/ending-essay-conclusions
• ↑ https://www.pittsfordschools.org/site/handlers/filedownload.ashx?moduleinstanceid=542&dataid=4677&FileName=conclusions1.pdf
• ↑ https://www.cuyamaca.edu/student-support/tutoring-center/files/student-resources/how-to-write-a-good-conclusion.pdf
• ↑ https://library.sacredheart.edu/c.php?g=29803&p=185935

About This Article

To end an essay, start your conclusion with a phrase that makes it clear your essay is coming to a close, like "In summary," or "All things considered." Then, use a few sentences to briefly summarize the main points of your essay by rephrasing the topic sentences of your body paragraphs. Finally, end your conclusion with a call to action that encourages your readers to do something or learn more about your topic. In general, try to keep your conclusion between 5 and 7 sentences long. For more tips from our English co-author, like how to avoid common pitfalls when writing an essay conclusion, scroll down! Did this summary help you? Yes No

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How to write an argumentative essay

The argumentative essay is a staple in university courses, and writing this style of essay is a key skill for students across multiple disciplines. Here’s what you need to know to write an effective and compelling argumentative essay.

What is an argumentative essay?

An argumentative essay takes a stance on an issue and presents an argument to defend that stance with the intent of persuading the reader to agree. It generally requires extensive research into a topic so that you have a deep grasp of its subtleties and nuances, are able to take a position on the issue, and can make a detailed and logical case for one side or the other.

It’s not enough to merely have an opinion on an issue—you have to present points to justify your opinion, often using data and other supporting evidence.

When you are assigned an argumentative essay, you will typically be asked to take a position, usually in response to a question, and mount an argument for it. The question can be two-sided or open-ended, as in the examples provided below.

Examples of argumentative essay prompts:

Two-sided Question

Should completing a certain number of volunteer hours be a requirement to graduate from high school? Support your argument with evidence.

Open-ended Question

What is the most significant impact that social media has had on this generation of young people?

Once again, it’s important to remember that you’re not just conveying facts or information in an argumentative essay. In the course of researching your topic, you should develop a stance on the issue. Your essay will then express that stance and attempt to persuade the reader of its legitimacy and correctness through discussion, assessment, and evaluation.

The main types of argumentative essays

Although you are advancing a particular viewpoint, your argumentative essay must flow from a position of objectivity. Your argument should evolve thoughtfully and rationally from evidence and logic rather than emotion.

There are two main models that provide a good starting point for crafting your essay: the Toulmin model and the Rogerian model.

The Toulmin Model

This model is commonly used in academic essays. It mounts an argument through the following four steps:

• Make a claim.
• Present the evidence, or grounds, for the claim.
• Explain how the grounds support the claim.
• Address potential objections to the claim, demonstrating that you’ve given thought to the opposing side and identified its limitations and deficiencies.

As an example of how to put the Toulmin model into practice, here’s how you might structure an argument about the impact of devoting public funding to building low-income housing.

• Make your claim that low-income housing effectively solves several social issues that drain a city’s resources, providing a significant return on investment.
• Cite data that shows how an increase in low-income housing is related to a reduction in crime rates, homelessness, etc.
• Explain how this data proves the beneficial impact of funding low-income housing.
• Preemptively counter objections to your claim and use data to demonstrate whether these objections are valid or not.

The Rogerian Model

This model is also frequently used within academia, and it also builds an argument using four steps, although in a slightly different fashion:

• Acknowledge the merits of the opposing position and what might compel people to agree with it.
• Draw attention to the problems with this position.
• Lay out your own position and identify how it resolves those problems.
• Proffer some middle ground between the two viewpoints and make the case that proponents of the opposing position might benefit from adopting at least some elements of your view.

The persuasiveness of this model owes to the fact that it offers a balanced view of the issue and attempts to find a compromise. For this reason, it works especially well for topics that are polarizing and where it’s important to demonstrate that you’re arguing in good faith.

To illustrate, here’s how you could argue that smartphones should be permitted in classrooms.

• Concede that smartphones can be a distraction for students.
• Argue that what teachers view as disruptions are actually opportunities for learning.
• Offer the view that smartphones, and students’ interest in them, can be harnessed as teaching tools.
• Suggest teaching activities that involve smartphones as a potential resource for teachers who are not convinced of their value.

It’s not essential to adhere strictly to one model or the other—you can borrow elements from both models to structure your essay. However, no matter which model of argumentation you choose, your essay will need to have an outline that effectively presents and develops your position.

How to outline and write an argumentative essay

A clear and straightforward structure works best for argumentative essays since you want to make it easy for your reader to understand your position and follow your arguments. The traditional essay outline comprises an introductory paragraph that announces your thesis statement, body paragraphs that unfold your argument point by point, and a concluding paragraph that summarizes your thesis and supporting points.

Introductory paragraph

This paragraph provides an overview of your topic and any background information that your readers will need in order to understand the context and your position. It generally concludes with an explicit statement of your position on the topic, which is known as your thesis statement.

Over the last decade, smartphones have transformed nearly every aspect of our lives, socially, culturally, and personally. They are now incorporated into almost every facet of daily life, and this includes making their way into classrooms. There are many educators who view smartphones with suspicion and see them as a threat to the sanctity of the classroom. Although there are reasons to regard smartphones with caution, there are ways to use them responsibly to teach and educate the next generation of young minds. Indeed, the value they hold as teaching tools is nearly unlimited: as a way to teach digital literacy, to reach students through a medium that is familiar and fun for them, and to provide a nimble and adaptable learning environment.

Body paragraphs

Most argumentative essays have at least three body paragraphs that lay out the supporting points in favor of your argument. Each paragraph should open with a topic sentence that presents a separate point that is then fleshed out and backed up by research, facts, figures, data, and other evidence. Remember that your aim in writing an argumentative essay is to convince or persuade your reader, and your body paragraphs are where you present your most compelling pieces of information in order to do just that.

The body of your essay is also where you should address any opposing arguments and make your case against them, either disproving them or stating the reasons why you disagree. Responding to potential rebuttals strengthens your argument and builds your credibility with your readers.

A frequent objection that teachers have to smartphones in the classroom is that students use them to socialize when they should be learning. This view overlooks the fact that students are using smartphones to connect with each other and this is a valuable skill that should be encouraged, not discouraged, in the classroom. A 2014 study demonstrated the benefits of providing students with individual smartphones. Sanctioned smartphone use in the classroom proved to be of particular importance in improving educational outcomes for low-income and at-risk students. What’s more, learning apps have been developed specifically to take advantage of the potential of smartphones to reach learners of various levels and backgrounds, and many offer the ability to customize the method and delivery of lessons to individual learner preferences. This shows that the untapped potential of smartphones is huge, and many teachers would do well to consider incorporating them into their classrooms.

Your concluding paragraph wraps up your essay by restating your thesis and recapping the arguments you presented in your body paragraphs. No new information should be introduced in your conclusion, however, you may consider shifting the lens of your argument to make a comment on how this issue affects the world at large or you personally, always keeping in mind that objectivity and relevance are your guiding principles.

Smartphones have a growing place in the world of education, and despite the presence of legitimate concerns about their use, their value as teaching tools has been clearly established. With more and more of our lives going digital and with the growing emphasis on offering distance learning as an option, educators with an eye to the future won't wait to embrace smartphones and find ways to use them to their fullest effect. As much time and space as we could devote to weighing the pros and cons of smartphones, the fact is that they are not going to disappear from our lives, and our best bet is to develop their, and our students', potential.

Frequently Asked Questions about argumentative essays

Your argumentative essay starts with an introductory paragraph. This paragraph provides an overview of your topic and any background information that your readers will need in order to understand the context and your position.

Like any traditional essay, the argumentative essay consists of three parts:

• Introduction

There are do's and don'ts in argumentative writing. This article summarizes some of them well - you should, for example, avoid coming to an argument based on feelings, without any evidence. Everything you say needs to be backed up by evidence, unless you are the renowned expert in the field.

Yes, you can start your argumentative essay with a question or with a thesis statement. Or you can do both - ask a question and then immediately answer it with a statement.

There are contrasting views on that. In some situations it can make sense to end your argumentative essay with a question - for example, when you want to create room for further discussions or want the reader to leave thinking about the question.

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A strong analytical question

• speaks to a genuine dilemma presented by your sources . In other words, the question focuses on a real confusion, problem, ambiguity, or gray area, about which readers will conceivably have different reactions, opinions, or ideas.  
• yields an answer that is not obvious . If you ask, "What did this author say about this topic?” there’s nothing to explore because any reader of that text would answer that question in the same way. But if you ask, “how can we reconcile point A and point B in this text,” readers will want to see how you solve that inconsistency in your essay.  
• suggests an answer complex enough to require a whole essay's worth of discussion. If the question is too vague, it won't suggest a line of argument. The question should elicit reflection and argument rather than summary or description.  
• can be explored using the sources you have available for the assignment , rather than by generalizations or by research beyond the scope of your assignment.  

How to come up with an analytical question  

One useful starting point when you’re trying to identify an analytical question is to look for points of tension in your sources, either within one source or among sources. It can be helpful to think of those points of tension as the moments where you need to stop and think before you can move forward. Here are some examples of where you may find points of tension:

• You may read a published view that doesn’t seem convincing to you, and you may want to ask a question about what’s missing or about how the evidence might be reconsidered.  
• You may notice an inconsistency, gap, or ambiguity in the evidence, and you may want to explore how that changes your understanding of something.  
• You may identify an unexpected wrinkle that you think deserves more attention, and you may want to ask a question about it.  
• You may notice an unexpected conclusion that you think doesn’t quite add up, and you may want to ask how the authors of a source reached that conclusion.  
• You may identify a controversy that you think needs to be addressed, and you may want to ask a question about how it might be resolved.  
• You may notice a problem that you think has been ignored, and you may want to try to solve it or consider why it has been ignored.  
• You may encounter a piece of evidence that you think warrants a closer look, and you may raise questions about it.  

Once you’ve identified a point of tension and raised a question about it, you will try to answer that question in your essay. Your main idea or claim in answer to that question will be your thesis.

• "How" and "why" questions generally require more analysis than "who/ what/when/where” questions.  
• Good analytical questions can highlight patterns/connections, or contradictions/dilemmas/problems.  
• Good analytical questions establish the scope of an argument, allowing you to focus on a manageable part of a broad topic or a collection of sources.  
• Good analytical questions can also address implications or consequences of your analysis.
• picture_as_pdf Asking Analytical Questions

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But How Does the Worm Get in Your Brain?

And other questions about parasites.

By Dana G. Smith and Dani Blum

Robert F. Kennedy Jr.’s disclosure that a doctor apparently found a dead worm in his brain has sparked questions about what brain parasites are, the damage they can cause and how, exactly, they get there.

How do parasites turn up in people? And what can they do to the brain?

Brain parasites encompass far more than worms. There are “legions” of organisms that can affect the brain, said Scott Gardner, a professor of biological sciences at the University of Nebraska-Lincoln who specializes in parasites. In addition to worms, common brain parasites include single-celled organisms such as Toxoplasma gondii and some amoebas.

The damage varies depending on the type of parasite and where it ends up in the brain. “Some of them actively invade the tissues and destroy tissues,” said Dr. Daniel Pastula, chief of neuro-infectious diseases and global neurology at University of Colorado Medicine. Others cause problems because of the inflammatory reaction that they trigger.

Humans are typically exposed to tapeworms through raw or undercooked food or through food contaminated with feces.

“A lot of these things are transmitted to humans through feces,” said Dr. Edith L. Graham, a neurologist at Northwestern Medicine.

Doctors consulted by The New York Times speculated that Mr. Kennedy described symptoms of an infection with larvae from the pork tapeworm, Taenia solium, one of multiple types of tapeworm that can infect the brain. When a person accidentally swallows pork tapeworm eggs, the eggs hatch in the intestines, and the larvae can travel to other organs, including the brain. There, they form cysts, causing a condition known as neurocysticercosis .

It can take months, or even years, for people to show signs of infection. Symptoms vary based on how many cysts develop and where they are. (Cysts can form in the eyes, muscles and spinal cord.) Generally, though, people with neurocysticercosis experience headaches and seizures, and they sometimes feel confused, struggle to pay attention and have issues with balance. The condition can be fatal.

Another type of parasite that can affect the brain is known as a brain-eating amoeba . Infections of this kind are extremely rare but can lead to a potentially fatal swelling of the brain or spinal cord, said Tajie H. Harris, an associate professor of neuroscience at the University of Virginia. The organisms enter through the nose when people swim in lakes and rivers, and then travel to the brain. People have also been infected through using neti pots or other sinus rinses with untreated or non-sterile water.

Toxoplasma gondii

One of the most common parasitic brain infections is toxoplasmosis. Over 40 million people in the United States may be infected with the parasite that causes that infection, according to the Centers for Disease Control and Prevention . People can be infected by eating undercooked meat or shellfish that is contaminated, by drinking contaminated water or by accidentally swallowing the parasite when they encounter it in cat feces, as when cleaning litter boxes.

The parasite that causes toxoplasmosis can linger in humans for years — potentially, for someone’s entire life — but most people will not develop symptoms. “For the most part, our immune system does an amazing job at just handling and dealing with this parasite, allowing us to live our lives without ever knowing,” Dr. Harris said.

But it can make some people feel like they have the flu. People with compromised immune systems are at risk of serious illness and brain damage if infected, and developing fetuses can be severely affected if pregnant women are exposed. (That’s why doctors sometimes advise pregnant women to avoid coming into contact with cat litter.)

How do you figure out if you have a parasite?

“You wouldn’t know yourself, unless someone is looking,” Dr. Gardner said. Sometimes a patient’s blood can be tested for antibodies that are produced in response to a parasite. In other cases, doctors diagnose infections with an M.R.I. or C.T. scan.

Treatment options vary because infections span such a wide range. Many are treatable with antiparasitic drugs, which patients may need to take for weeks. Doctors may also prescribe steroids to help with inflammation. Some patients will undergo surgery to remove cysts.

In the United States, severe infections from brain parasites are rare, Dr. Pastula said, “but in other parts of the world, they’re more common.”

Fortunately, many of these infections are preventable, Dr. Pastula said. To lower your risk, especially while traveling internationally, he advised washing hands thoroughly before you eat or prepare food, cooking food properly and ensuring that the water you’re drinking is clean.

Dana G. Smith is a Times reporter covering personal health, particularly aging and brain health. More about Dana G. Smith

Dani Blum is a health reporter for The Times. More about Dani Blum

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How to Prevent Blossom-End Rot, a Common Tomato Plant Disease That Can't Be Reversed

Keep your tomatoes spotless with our easy techniques for avoiding this common disease.

What Is Blossom-End Rot?

• What to Look For
• Why It Happens

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Tomatoes are one of the most versatile and popular plants for backyard gardens, but they can be affected by a variety of unwelcome diseases, including blossom-end rot—which is inedible and irreversible. Knowing how to recognize and prevent blossom-end rot is key to keeping your tomatoes healthy, so you can keep your summer menu filled with these juicy fruits all summer long. To help you protect your crop from this disease, we spoke to gardening experts who shared their tips for preventing blossom-end rot.

• Jon Traunfeld , extension specialist and director at the University of Maryland Extension home and garden information center, a trusted resource for gardening and landscaping advice
• Carrie Spoonemore , co-creator of  Park Seed's   From Seed to Spoon app , an app that makes garden planning easier
• Laura Root , horticulturalist with Park Seed , a provider of fruit, vegetable, and flower seeds

Blossom-end rot is a disease that causes the ends of a plant's fruit to develop areas of black rot. Though blossom-end rot can affect the fruits of several different plants—including peppers, squash, pumpkins, eggplant, and watermelons—it's especially common in tomatoes.

Blossom-end rot can show up on any type of tomato, but you're more likely to see it in larger varieties, like paste and plum, than in smaller ones, like cherry or grape. The disease is so frequent that you shouldn't see it as a failure of your gardening skills. "It's the very lucky tomato gardener who never sees this problem," says Jon Traunfeld, extension specialist and director at the University of Maryland Extension home and garden information center.

Signs of Blossom-End Rot

Signs of blossom-end rot include sunken, leathery, or rotted areas near the blossom end of the fruit. "It appears when the fruit is still developing or has reached a certain size," says Carrie Spoonemore, co-creator of Park Seed's From Seed to Spoon app. "It will begin to appear as a small, water-soaked spot and can turn into a large, black, rotten spot."

While tomatoes are the victims of several common diseases, none of the others produce rotten spots that are the same color and in the same spot as blossom-end rot. Don't mistake blossom-end rot for anthracnose (a fungal disease that affects the sides and tops of tomatoes), late blight (brown lesions on the fruits, leaves, and stems), or sunscald (bleaching that turns the sides of tomatoes white or yellow).

The Most Common Cause of Blossom-End Rot

Blossom-end rot is caused by low calcium levels within the fruit that destabilize the cell walls, allowing them to break down. "Calcium is much less mobile in the plant vascular system than other nutrients," says Traunfeld. "When insufficient calcium is taken up by plant roots, it goes to the growing points—new leaves and shoots—and reaches the bottoms of developing fruits last." This often happens in early or mid-summer, during the plant's fastest growth period, when calcium levels can't keep up with the plant's requirements.

How to Prevent Blossom-End Rot

Blossom-end rot can't be stopped, but you can prevent it on future fruits by checking the calcium of your soil and tending to environmental stressors that can compound the problem—like low soil moisture, soil compaction, root injury, lush plant growth, hot weather, and high light intensity, says Traunfeld.

Maintain Calcium Levels

Calcium deficiency is the main cause of blossom-end rot in tomatoes, so it's important to ensure sufficient calcium is available. Start by testing your soil to determine its calcium content. "If the test indicates low calcium levels, you can enhance the soil by incorporating calcium-rich materials like gypsum or crushed eggshells," says Spoonemore. "Calcium-based foliar sprays, applied directly to the plants leaves, can also help increase calcium levels."

Water Consistently

One way to prevent blossom-end rot is by maintaining consistent moisture levels in the soil. "Avoid over and underwatering," says Spoonemore. "Watering consistently helps to ensure that the calcium in the soil is available for uptake by the roots." When overwatering occurs, the calcium is flushed out of the fruit more quickly, which causes a deficiency.

Apply Mulch

Another way to maintain consistent moisture levels and head off blossom-end rot is with mulch, which keeps the soil moist but not waterlogged. "Apply a layer of organic mulch around the base of the plant to maintain stable temperatures and moisture," says Spoonemore.

Maintain pH Levels

Maintaining the correct soil pH level is essential for preventing blossom-end rot. "The ideal pH range for most plants is slightly acidic to neutral—around 6 to 7," says Spoonemore. "Test the pH of your soil using a soil testing meter, and if necessary, adjust it by adding materials to bring it into the appropriate range."

Avoid Excessive Digging

Too much digging around the plant's root system can lead to water stress and calcium uptake issues. "It is important to avoid unnecessary digging around the plants, especially when the fruits are forming and to maintain a healthy uptake of nutrients, including calcium," says Spoonemore.

Frequently Asked Questions

Both overwatering and underwatering can affect the final calcium levels available to your plant—which can lead to blossom-end rot. Though overwatering is more likely to leach calcium out of the soil, says Laura Root, horticulturalist with Park Seed.

You shouldn't eat the spots of blossom-end rot, but the rest of the tomato is still edible. "Keep in mind that if progressed enough, it will rot the tomato inside," says Root. "If caught early enough, it usually is just an unsightly blemish that can be cut away."

Blossom-end rot can not be stopped or reversed on the individual tomatoes it affects. However, adjusting the calcium levels of the soil, maintaining consistent moisture, and addressing other environmental factors can allow the next round of fruits to remain flawless.

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