the central thesis is

You can turn a subject into a central idea by focusing. Begin by reviewing what you know about your subject or by looking over notes you have made about it through listing, brainstorming, clustering, freewriting, or other prewriting activities.

With these details fresh in your mind, ask yourself:

What is my purpose in writing about this topic? What main point do I want to make about the topic?

WHAT IS MY PURPOSE?

Let's say you decide to write about high school. You might tell a story about your history class, compare two schools you attended, or argue that high schools should require foreign-language study.

If you want to compare the two high schools you attended, you can include details about their academic programs, athletic teams, students, or teachers. But you probably wouldn't argue that high schools should stay open in summer because doing so would take you outside your declared purpose.

WHAT IS MY MAIN POINT?

The next step in focusing is to decide what to say about your subject. What is the most interesting or important point you want to make about the schools you are comparing? The answer will be your main point, which ties all the details of the essay together.

Again, you turn an abstract subject into a central idea by stating a main point about that subject. If your main point is that entering a new school improved your attitude about education, your central idea might read:

Changing high schools made me a more serious student.

MAKING A POINT ABOUT A SUBJECT

In the box below, main points have been added to subjects to form working topic sentences or thesis statements.

Back to Top

CHECK YOUR WORKING CENTRAL IDEA

After writing a working central idea, check it for qualities that will make it effective as the basis of a paragraph or essay. Ask yourself:

Is my central idea expressed in a complete thought? Is it specific? Does it express an idea that is worth developing in a full-length paragraph or essay? Is it limited enough to discuss in a short piece of writing?

Never confuse a central idea with a simple subject. Central ideas are expressed in complete sentences; subjects are words or phrases. Take these subjects:

The city zoo. Professional athletes. Majoring in foreign languages.

Can you write a paragraph or essay on one of these subjects? Only if you decide on the main point you want to make about it. Try these as working central ideas:

The city zoo is in great need of repairs. Professional athletes are overpaid. Studying foreign languages leads to many career choices.

A CENTRAL IDEA IS SPECIFIC

Make your central idea specific. The key to this step is to focus your main point as precisely as you can. That will give you a clear direction to follow as you develop an essay or paragraph. Take this central idea:

Jogging isn't for everybody.

It is correct, but it leaves questions unanswered. For example, what kind of people should not jog? What ill effects might jogging cause them? Now, try this:

Jogging can be harmful to people who suffer from heart, back, or joint problems.

A CENTRAL IDEA CONTAINS A MAIN POINT THAT IS WORTH DEVELOPING

Make sure your main point is an idea-not just a fact-that is worth developing in a full-length paragraph or essay. Read these two sentences:

The War Memorial is in Ottawa. The War Memorial has been severely vandalized.

The first sentence is a statement of fact; it does not call for discussion. The second lends itself to discussion. For example, you might describe what the vandals did, explain how much repairs will cost, or discuss ways to prevent future problems.

A CENTRAL IDEA IS LIMITED

Essays that beginning college or university students write usually contain approximately five to seven paragraphs of about 50 to 100 words. Therefore, you should limit your working topic sentence or thesis, making it as specific as you can. Otherwise, you won't be able to make your point clearly and completely.

LIMIT THE DISCUSSION TO A MANAGEABLE LENGTH

Let's say you want to convince someone to stop smoking. You might limit yourself to three reasons to stop smoking: the health risks, the costs, and its effects on others.

Here's your working thesis:

Break the habit: otherwise, it will ruin your health, empty your wallet, and annoy your friends.

Your working topic sentences, which will control the three body paragraphs, could be as follows:

Smoking causes cancer, emphysema, and heart disease. You can save hundreds or even thousands of dollars a year by quitting. Smoking is offensive to friends and family.

LIMITING YOUR CENTRAL IDEA FURTHER

You begin a rough draft by discussing illnesses caused by smoking. However, you soon realize that you can't cover all three reasons for quitting and still keep the essay short. So you limit yourself to the issue of health risks.

Your thesis statement becomes:

Break the habit: smoking causes heart disease, emphysema, and cancer.

Your topic sentences become:

Smoking weakens the heart and impairs circulation. Smoking is a major cause of emphysema. Smoking has been linked directly to cancer of the mouth and the esophagus.

DIFFERENCES BETWEEN A TOPIC SENTENCE AND A THESIS

A topic sentence is the sentence that expresses the central idea of a paragraph. A thesis statement is a sentence that expresses the central idea of an essay.

It's a good idea to decide the topic sentence of a paragraph after writing the working version of an essay's thesis. A topic sentence explains one aspect or point in the thesis and, therefore, should always be more specific and limited than a thesis.

REVISE AND REFINE THE CENTRAL IDEA AS YOU WORK

You can revise a central idea whenever you need to. The working version of a topic sentence or thesis statement provides only a starting point and a sense of direction. Don't be afraid to look back to your central ideas and rewrite them often. As a matter of fact, focusing is something you should do throughout the writing process.

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

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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Writing a Paper: Thesis Statements

Basics of thesis statements.

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

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

Being Specific

This thesis statement has no specific argument:

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

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

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

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

Making a Unique Argument

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

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

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

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

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

Creating a Debate

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

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

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

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

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

Choosing the Right Words

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

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

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

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

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

Leaving Room for Discussion

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

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

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

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

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

Thesis Mad Libs

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

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

Words to Avoid and to Embrace

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

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

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

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How to Write a Solid Thesis Statement

The important sentence expresses your central assertion or argument

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• Writing Research Papers
• Writing Essays
• English Grammar
• M.Ed., Education Administration, University of Georgia
• B.A., History, Armstrong State University

A thesis statement provides the foundation for your entire research paper or essay. This statement is the central assertion that you want to express in your essay. A successful thesis statement is one that is made up of one or two sentences clearly laying out your central idea and expressing an informed, reasoned answer to your research question.

Usually, the thesis statement will appear at the end of the first paragraph of your paper. There are a few different types, and the content of your thesis statement will depend upon the type of paper you’re writing.

Key Takeaways: Writing a Thesis Statement

• A thesis statement gives your reader a preview of your paper's content by laying out your central idea and expressing an informed, reasoned answer to your research question.
• Thesis statements will vary depending on the type of paper you are writing, such as an expository essay, argument paper, or analytical essay.
• Before creating a thesis statement, determine whether you are defending a stance, giving an overview of an event, object, or process, or analyzing your subject

Expository Essay Thesis Statement Examples

An expository essay "exposes" the reader to a new topic; it informs the reader with details, descriptions, or explanations of a subject. If you are writing an expository essay , your thesis statement should explain to the reader what she will learn in your essay. For example:

• The United States spends more money on its military budget than all the industrialized nations combined.
• Gun-related homicides and suicides are increasing after years of decline.
• Hate crimes have increased three years in a row, according to the FBI.
• Post-traumatic stress disorder (PTSD) increases the risk of stroke and arterial fibrillation (irregular heartbeat).

These statements provide a statement of fact about the topic (not just opinion) but leave the door open for you to elaborate with plenty of details. In an expository essay, you don't need to develop an argument or prove anything; you only need to understand your topic and present it in a logical manner. A good thesis statement in an expository essay always leaves the reader wanting more details.

Types of Thesis Statements

Before creating a thesis statement, it's important to ask a few basic questions, which will help you determine the kind of essay or paper you plan to create:

• Are you defending a stance in a controversial essay ?
• Are you simply giving an overview or describing an event, object, or process?
• Are you conducting an analysis of an event, object, or process?

In every thesis statement , you will give the reader a preview of your paper's content, but the message will differ a little depending on the essay type .

Argument Thesis Statement Examples

If you have been instructed to take a stance on one side of a controversial issue, you will need to write an argument essay . Your thesis statement should express the stance you are taking and may give the reader a preview or a hint of your evidence. The thesis of an argument essay could look something like the following:

• Self-driving cars are too dangerous and should be banned from the roadways.
• The exploration of outer space is a waste of money; instead, funds should go toward solving issues on Earth, such as poverty, hunger, global warming, and traffic congestion.
• The U.S. must crack down on illegal immigration.
• Street cameras and street-view maps have led to a total loss of privacy in the United States and elsewhere.

These thesis statements are effective because they offer opinions that can be supported by evidence. If you are writing an argument essay, you can craft your own thesis around the structure of the statements above.

Analytical Essay Thesis Statement Examples

In an analytical essay assignment, you will be expected to break down a topic, process, or object in order to observe and analyze your subject piece by piece. Examples of a thesis statement for an analytical essay include:

• The criminal justice reform bill passed by the U.S. Senate in late 2018 (" The First Step Act ") aims to reduce prison sentences that disproportionately fall on nonwhite criminal defendants.
• The rise in populism and nationalism in the U.S. and European democracies has coincided with the decline of moderate and centrist parties that have dominated since WWII.
• Later-start school days increase student success for a variety of reasons.

Because the role of the thesis statement is to state the central message of your entire paper, it is important to revisit (and maybe rewrite) your thesis statement after the paper is written. In fact, it is quite normal for your message to change as you construct your paper.

• 4 Teaching Philosophy Statement Examples
• Examples of Great Introductory Paragraphs
• 100 Persuasive Essay Topics
• 50 Argumentative Essay Topics
• How to Write a Good Thesis Statement
• What Is Expository Writing?
• An Introduction to Academic Writing
• Definition and Examples of Analysis in Composition
• Write an Attention-Grabbing Opening Sentence for an Essay
• How To Write an Essay
• Tips on How to Write an Argumentative Essay
• How to Write a Response Paper
• The Ultimate Guide to the 5-Paragraph Essay
• Understanding What an Expository Essay Is
• The Introductory Paragraph: Start Your Paper Off Right
• Tips for Writing an Art History Paper

Central Idea Mastery: Tips for Identifying Main Themes in Texts

Ever struggled to figure out what a piece of literature is really about?

I have. I’m a math and sciences geek, and English Lit was never my strong suit in school. But I figured out a way to get straight to the central idea.

Studies show that grasping the central idea is one of the most challenging aspects for readers, freelance writers , and in-company writers alike.

This post will take you on a journey to understand clearly what a central idea statement in literature entails, how it differs from themes or thesis statements , and why it matters so much.

Ready for an enlightening ride into the realm of literary analysis? Let’s dive in!

What is the Central Idea in Literature?

The central idea in literature is the main point or message the author wants to convey to the reader. It is often the well written central ideas, expressed through a thesis statement , which serves as the foundation for the entire work of literature.

The central idea statement should be distinct from the story’s theme itself, as it focuses more on the author’s specific argument or perspective. To identify this in literature, readers can analyze key details and keywords as a map and keep their predictions short and straightforward.

The Relationship between Central Idea and Thesis Statement

A central idea is like a map for a story or essay. It guides readers through the words and themes. 

On the other hand, a thesis statement is a claim or argument in an essay, article or research work.

This is often based on the central idea but goes further by giving an opinion about the topic. You can think of these as two good friends. Both play key roles in shaping any piece of writing, and they rely on each other to make sense.

For instance, if you write an essay arguing that reading helps improve vocabulary – your central idea might be ‘the benefits of reading,’ while your thesis statement could be ‘reading regularly improves one’s vocabulary.’

The Difference between Central Idea and Theme

The central idea and theme are two critical parts of a story. They may seem the same but tell different parts of the tale. The main topic or message in a text is the central idea .

It’s like telling what a book or essay is about.

A theme, though, dives deeper into the story. It shows us life lessons or morals that we can learn from it. 

Think of it as an undercover message hiding inside the words and scenes of a story! An easy way to spot them? Central ideas often pop up more in texts that give information.

Themes make their home primarily in stories with lots of action, conflict and drama.

How to Identify the Central Idea in Literature

Use details and keywords as a map.

Words and clues in a story can help find the main idea. Look for words that repeat . They matter a lot to the writer. Think of keywords as signposts on a map. When you use a map when lost, use these words when stuck on an idea.

Stay away from small details that only discuss one thing in the text. Focus on ideas that cover all parts of the story instead. Those tell you what is most important to know.

Keep Predictions Short and Simple

When identifying the central idea statement in literature, keeping your predictions short and simple is essential. By predicting the answer in your own words, you can narrow down the options and eliminate choices that don’t match the passage.

Keeping your predictions brief makes it easier to compare them with the given choices. If you’re having trouble understanding a passage, try summarizing paragraphs or sentences to help clarify things.

Remember, taking it slow and staying calm can improve your performance in the SAT reading and writing section. So, keep those predictions concise and straightforward!

Importance of Central Ideas in Literature

The central ideas in literature play a crucial role in your content strategy and in understanding the text and its deeper meaning, as they serve as the backbone that holds the entire work together.

The Role of Central Ideas in Understanding Literature

The central idea plays a crucial role in helping us understand literature. It acts as the primary focus or point of the text, providing a clear picture of what the author wants to convey.

By identifying and analyzing the central idea, we can better comprehend the overall message and themes of a piece of writing. The well written central idea guides readers, helping them navigate through the details and supporting evidence presented in the text.

It helps us see how all these elements connect to create a cohesive whole.

The Connection between Central Ideas and Details

The connection between central ideas and details in literature is meaningful because the details provide evidence and examples to support and strengthen the central idea. 

Details are specific pieces of information or examples that help to bring the story’s main idea to life and make it more relatable for readers.

By analyzing the central idea and details, readers can engage with the text deeper and uncover hidden meanings and themes. 

A central idea can be explicit, stated directly in the text, or implicit, requiring readers to infer and interpret what the author is trying to convey.

So, paying attention to details helps readers understand and appreciate the overall message of a work of literature.

Central Ideas Examples in Literature

Central ideas in literature can vary greatly depending on the genre and themes explored. 

For instance, classification essays may focus on a central idea related to categorization and justification, while works of English literature might delve into a central idea about societal norms or personal identity.

Additionally, environmental science literature may explore a central idea surrounding sustainability and conservation. These examples demonstrate the diverse range found across different types of literature.

Central Ideas in Classification Essays

The central idea in a classification essay is the main topic and the categories or subtopics we use to organize our thoughts . It’s like a roadmap for our essay, showing us how to structure it and what message we want to convey.

In other words, it’s the same as the thesis statement in a classification essay . 

By stating the main topic and explaining why we’re categorizing things in a certain way, we can say something meaningful about how different parts of the topic are related or how they relate to the whole subject.

So, when writing a classification essay, ensure your central idea is clear and helps guide your readers through your thoughtful categories!

Central Ideas in English Literature

Understanding the central ideas in English literature is crucial for writers. These help us grasp the main themes and messages in literary works. They cover most details and emphasize key points, allowing readers to analyze the text effectively.

When analyzing literature, it’s important to avoid focusing too much on one detail or introducing new ideas not addressed in the text. 

Central ideas play a vital role in answering exam questions like the SAT, where students identify the main idea or specific details based on a passage.

Notable Examples

“The Great Gatsby” by F. Scott Fitzgerald

Central Idea: The American Dream and its corruption. This novel delves deep into the idea of the American Dream—the pursuit of happiness, wealth, and social status—and the lengths people go to achieve it. Set in the Roaring Twenties, the story showcases the opulence of the time but also the moral bankruptcy and hollowness that often accompanied the pursuit of wealth and social status. The novel questions the true meaning of success and challenges the superficial values of society.

“ To Kill a Mockingbird” by Harper Lee

Central Idea: Racism and the loss of innocence. Set in the American South during the 1930s, this novel tackles the deep-seated racial prejudices of the time. Through the eyes of a young girl named Scout Finch, readers witness the injustice and cruelty meted out to a Black man, Tom Robinson, who is falsely accused of raping a white woman. The story also deals with the idea of growing up and losing innocence as Scout and her brother Jem navigate the complexities of their small town’s social structure.

“The Catcher in the Rye” by J.D. Salinger

Central Idea: Adolescent alienation and the challenges of growing up. The novel’s protagonist, Holden Caulfield, represents the quintessential disaffected youth. As he navigates the adult world, which he views as “phony,” he struggles with his own sense of identity, his place in the world, and the impending responsibilities of adulthood. The story is a poignant examination of the complexities of adolescence and the inevitable loss of childhood innocence.

Whether it’s contemporary or classic works, central ideas can be found throughout English literature.

Central Ideas in Environmental Science Literature

The central idea in environmental science literature is essential. It helps us understand the main topic and categories/subtopics discussed in the text. It gives us an overview of what the whole thing is about.

The central idea also helps structure the essay and conveys a message about the topic. So, if you’re writing about environmental science, ensure you have a clear main idea that divides your topic into different parts, helping readers quickly grasp the main points.

One way to find the main idea is by locating the thesis statement in your text.

Tips for Writing a Central Idea

Crafting a strong main idea requires clarity and conciseness. Use clear and specific language to express the main point of your work, ensuring that it is debatable and not just a statement of fact.

Consider the purpose of your writing and the audience you are targeting to shape your central idea effectively.

Formulation of the Central Idea

To formulate a well written central idea, you need to think carefully about the main point or message you want to convey.

When formulating the central idea, make sure it covers most of the details introduced in your text and emphasizes any important points. Avoid focusing too much on just one detail or introducing new ideas not addressed in your writing.

Also, be careful not to contradict any information from your text.

To help with formulation, summarize your text in your own words and determine the task or purpose of your writing. If you need clarification on the story’s main character or idea, revisit your summary to find the overarching theme .

Predicting the answer can also be useful as it helps narrow down choices and eliminate options that don’t align with your writing.

The Purpose of a Central Idea in Literature

The purpose of a central idea in literature is to provide a main theme or message that ties together all the different parts of a literary work. It helps readers understand and grasp the overall meaning and purpose of the text.

When writing a central idea, it’s important to consider the main theme or message, analyze key elements in the text, and think about what the author wants to convey. The central idea should cover most of the details introduced in the text and mention any points of emphasis.

However, it shouldn’t focus too much on just one detail, introduce new ideas not addressed in the text, or contradict information from the text.

Wrapping up the Central Idea

Understanding the central idea in literature is crucial for writers and readers alike. By grasping the main message of a text, we can delve deeper into its themes and analyze it with greater clarity.

Through examples and explanations, this blog has highlighted the importance of central ideas and provided tools to identify them effectively. So go forth, writers, armed with this knowledge, and create works that captivate audiences by conveying powerful central ideas!

1. What is the central idea in literature?

The central idea in literature refers to the main point or theme that the author wants to explain or convey through their story or writing.

2. How can I identify the central idea in a piece of literature?

You can identify the central idea by looking for recurring themes, key messages, and important moments that shape the text’s overall meaning.

3. Why is understanding the central idea important when reading literature?

Understanding the central idea helps you grasp the deeper meaning and purpose behind a piece of literature, allowing you to appreciate its message and connect with it more meaningfully.

4. Can multiple central ideas exist in a single piece of literature?

While some texts may have multiple themes or ideas, there is typically one primary central idea that serves as the core focus of the work.

Content Manager, Marketer and Business Development Expert.

Noel is a full-time content manager, marketer, and business development manager. A 25-year veteran and professional project manager (PMP) as well, Noel enjoys writing about content management, AI and the tools and technology shaping the industry.

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53 Formulating a Central Idea Statement

Learning objectives.

After reading this chapter, the student will be able to:

• Distinguish between the specific purpose, central idea, and main points of a speech;
• Differentiate between a speech to inform, persuade, and inspire or entertain;
• Write a specific purpose statement;
• Write a thesis or central idea statement;
• Distinguish between acceptable and unacceptable specific purpose and central idea statements;
• Compose appropriate specific purpose and central idea statements for informative, persuasive, and inspirational/entertaining speeches.

Formulating a Central Idea Statement – developing the thesis statement

While you will not actually say your specific purpose statement during your speech, you will need to clearly state what your focus and main points are going to be (preferably after using an introductory method such as those described in Chapter 8). The statement that reveals your main points is commonly known as the central idea statement (or just the central idea).

Central Idea Statement

a statement that contains or summarizes a speech’s main points

Now, at this point we need to make a point about terminology. Your instructor may call the central idea statement “the thesis” or “the thesis statement.” Your English composition instructor probably uses that term in your essay writing. Another instructor may call it the “main idea statement.” All of these are basically synonymous and you should not let the terms confuse you, but you should use the term your instructor uses.

That said, is the central idea statement the very same thing as the thesis sentence in an essay? Yes, in that both are letting the audience know without a doubt your topic, purpose, direction, angle and/or point of view. No, in that the rules for writing a “thesis” or central idea statement in a speech are not as strict as in an essay. For example, it is acceptable in a speech to announce the topic and purpose, although it is usually not the most artful or effective way to do it. You may say,

“In this speech I will try to motivate you to join me next month as a volunteer at the regional Special Olympics.”

That would be followed by a preview statement of what the speech’s arguments or reasons for participating will be, such as,

“You will see that it will benefit the community, the participants, and you individually.”

However, another approach is to “capsulize” the purpose, topic, approach, and preview in one succinct statement.

“Your involvement as a volunteer in next month’s regional Special Olympics will be a rewarding experience that will benefit the community, the participants, and you personally.”

This last version is really the better approach and most likely the one your instructor will prefer.

So, you don’t want to just repeat your specific purpose in the central idea statement, but you do want to provide complete information. Also, unlike the formal thesis of your English essays, the central idea statement in a speech can and should use personal language (I, me, we, us, you, your, etc.) and should attempt to be attention-getting and audience-focused. And importantly, just like a formal thesis sentence, it must be a complete, grammatical sentence.

The point of your central idea statement in terms of your audience is to reveal and clarify the ideas or assertions you will be addressing in your speech, more commonly known as your main points, to fulfill your specific purpose. However, as you are processing your ideas and approach, you may still be working on them. Sometimes those main points will not be clear to you immediately. As much as we would like these writing processes to be straightforward, sometimes we find that we have to revise our original approach. This is why preparing a speech the night before you are giving it is a really, really bad idea. You need lots of time for the preparation and then the practice.

Sometimes you will hear the writing process referred to as “iterative.” This word means, among other things, that a speech or document is not always written in the same order as the audience finally experiences it. You may have noticed that we have not said anything about the introduction of your speech yet. Even though that is the first thing the audience hears, it may be one of the last parts you actually compose. It is best to consider your speech flexible as you work on it, and to be willing to edit and revise. If your instructor asks you to turn the outline in before the speech, you should be clear on how much you can revise after that. Otherwise, it helps to know that you can keep editing your speech until you deliver it, especially while you practice.

Here are some examples of pairs of specific purpose statements and central idea statements.

Specific Purpose: To explain to my classmates the effects of losing a pet on the elderly.

Central Idea: When elderly persons lose their animal companions, they can experience serious psychological, emotional, and physical effects.

Specific Purpose: To demonstrate to my audience the correct method for cleaning a computer keyboard.

Central Idea: Your computer keyboard needs regular cleaning to function well, and you can achieve that in four easy steps.

Specific Purpose: To persuade my political science class that labor unions are no longer a vital political force in the U.S.

Central Idea: Although for decades in the twentieth century labor unions influenced local and national elections, in this speech I will point to how their influence has declined in the last thirty years.

Specific Purpose: To motivate my audience to oppose the policy of drug testing welfare recipients.

Central Idea: Many voices are calling for welfare recipients to have to go through mandatory, regular drug testing, but this policy is unjust, impractical, and costly, and fair-minded Americans should actively oppose it.

Specific Purpose: To explain to my fellow civic club members why I admire Representative John Lewis.

Central Idea: John Lewis has my admiration for his sacrifices during the Civil Rights movement and his service to Georgia as a leader and U.S. Representative.

Specific Purpose: To describe how makeup is done for the TV show The Walking Dead.

Central Idea: The wildly popular zombie show The Walking Dead achieves incredibly scary and believable makeup effects, and in the next few minutes I will tell you who does it, what they use, and how they do it.

Notice that in all of the above examples that neither the specific purpose nor the central idea ever exceeds one sentence. You may divide your central idea and the preview of main points into two sentences or three sentences, depending on what your instructor directs. If your central idea consists of more than three sentences, then you probably are including too much information and taking up time that is needed for the body of the speech.

Exploring Communication in the Real World Copyright © 2020 by Chris Miller is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License , except where otherwise noted.

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Definition of thesis

Did you know.

In high school, college, or graduate school, students often have to write a thesis on a topic in their major field of study. In many fields, a final thesis is the biggest challenge involved in getting a master's degree, and the same is true for students studying for a Ph.D. (a Ph.D. thesis is often called a dissertation ). But a thesis may also be an idea; so in the course of the paper the student may put forth several theses (notice the plural form) and attempt to prove them.

Examples of thesis in a Sentence

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'thesis.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

in sense 3, Middle English, lowering of the voice, from Late Latin & Greek; Late Latin, from Greek, downbeat, more important part of a foot, literally, act of laying down; in other senses, Latin, from Greek, literally, act of laying down, from tithenai to put, lay down — more at do

14th century, in the meaning defined at sense 3a(1)

Dictionary Entries Near thesis

the sins of the fathers are visited upon the children

thesis novel

Cite this Entry

“Thesis.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/thesis. Accessed 5 Jun. 2024.

Kids Definition

Kids definition of thesis, more from merriam-webster on thesis.

Nglish: Translation of thesis for Spanish Speakers

Britannica English: Translation of thesis for Arabic Speakers

Britannica.com: Encyclopedia article about thesis

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Module 5: Choosing and Researching a Topic

Finding the purpose and central idea of your speech, learning objectives.

• Identify the specific purpose of a speech.
• Explain how to formulate a central idea statement for a speech.

General Purpose

The general purpose of most speeches will fall into one of four categories: to inform , to persuade , to entertain , and to commemorate or celebrate . The first step of defining the purpose of your speech is to think about which category best describes your  overall  goal with the speech. What do you want your audience to think, feel, or do as a consequence of hearing you speak? Often, the general purpose of your speech will be defined by the speaking situation. If you’re asked to run a training session at work, your purpose isn’t to entertain but rather to inform. Likewise, if you are invited to introduce the winner of an award, you’re not trying to change the audience’s mind about something; you’re honoring the recipient of the award. In a public speaking class, your general purpose may be included in the assignment: for instance, “Give a persuasive speech about . . . .”  When you’re assigned a speech project, you should always make sure you know whether the general purpose is included in the assignment or whether you need to decide on the general purpose yourself.

Specific Purpose

Now that you know your general purpose (to inform, to persuade, or to entertain), you can start to move in the direction of the specific purpose. A specific purpose statement builds on your general purpose and makes it more specific (as the name suggests). So if your first speech is an informative speech, your general purpose will be to inform your audience  about a very specific realm of knowledge.

In writing your specific purpose statement, you will take three contributing elements and bring them together to help you determine your specific purpose :

• You (your interests, your background, experience, education, etc.)
• Your audience
• The context or setting

There are three elements that combine to create a specific purpose statements: your own interests and knowledge, the interests and needs of your audience, and the context or setting in which you will be speaking.

Keeping these three inputs in mind, you can begin to write a specific purpose statement, which will be the foundation for everything you say in the speech and a guide for what you do not say. This formula will help you in putting together your specific purpose statement:

To _______________ [ Specific Communication Word (inform, explain, demonstrate, describe, define, persuade, convince, prove, argue)] _______________ [ Target Audience (my classmates, the members of the Social Work Club, my coworkers] __________________. [ The Content (how to bake brownies, that Macs are better than PCs].

Example: The purpose of my presentation is to demonstrate to  my coworkers the value of informed intercultural communication .

Formulating a Central Idea Statement

While you will not actually say your specific purpose statement during your speech, you will need to clearly state what your focus and main points are going to be. The statement that reveals your main points is commonly known as the central idea statement (or just the central idea). Just as you would create a thesis statement for an essay or research paper, the central idea statement helps focus your presentation by defining your topic, purpose, direction, angle, and/or point of view. Here are two examples:

• Central Idea—When elderly persons lose their animal companions, they can experience serious psychological, emotional, and physical effects.
• Central Idea—Your computer keyboard needs regular cleaning to function well, and you can achieve that in four easy steps.

Please note that your central idea will emerge and evolve as you research and write your speech, so be open to where your research takes you and anticipate that formulating your central idea will be an ongoing process.

Below are four guidelines for writing a strong central idea.

• Your central idea should be one, full sentence.
• Your central idea should be a statement, not a question.
• Your central idea should be specific and use concrete language.
• Each element of your central idea should be related to the others.

Using the topic “Benefits of Yoga for College Students’ Stress,” here are some correct and incorrect ways to write a central idea.

A strong central idea shows that your speech is focused around a clear and concise topic and that you have a strong sense of what you want your audience to know and understand as a result of your speech. Again, it is unlikely that you will have a final central idea before you begin your research. Instead, it will come together as you research your topic and develop your main points.

• Purpose and Central Idea Statements. Provided by : eCampusOntario. Project : Communication for Business Professionals. License : CC BY-SA: Attribution-ShareAlike
• Finding the Purpose of Your Speech. Authored by : Susan Bagley-Koyle with Lumen Learning. License : CC BY: Attribution

Thesis Central is currently closed to student submissions. If you need to submit a thesis, contact the Undergraduate Program Administrator in your department. Undergraduate Program Administrators can still access the site to review and approve submissions.

If you have questions, please contact [email protected]..

Vireo 3.0.6 © 2024 Texas Digital Library . All Rights Reserved.

Alibaba: Central Bank Gives Green Light To Investors

• Alibaba Group Holding Limited stock has seen a rally followed by a pull-back, but renowned investors and hedge funds are opening positions in Chinese stocks.
• The Chinese government is expected to further support the economy and housing market, giving investors confidence.
• The Canadian Pension Plan and Soros Fund Management have increased their positions in Alibaba, indicating strong conviction in the stock.

William_Potter/iStock via Getty Images

Thesis Summary

Alibaba Group Holding Limited ( NYSE: BABA ) continues to trade near all-time lows, but it has seen a nice rally, followed by a bit of a pull-back in the last month.

In the last few weeks, many famed investors and large hedge funds have disclosed opening positions in Alibaba and other Chinese stocks.

Most importantly, though, there have been various reports that the CCP is going to further support the economy and specifically the housing market.

It seems to me like the CCP is giving the green light to investors, and this time it's not just words.

While I maintain that China is still a risky place to invest, BABA is perhaps the lowest-risk investment given its size and history.

I am maintaining a strong buy rating on BABA given its attractive price, strong likelihood of government stimulus and also the evidence that shows large funds are starting to buy back into China.

BABA's Back in Fashion

In my last piece on BABA , I discussed the fact that an improving macro and political situation would be very helpful for Alibaba. Now, this has not quite played out as we expected. While I would argue that tensions have somewhat eased in the last couple of months, China's economy has continued to struggle. However, I see signs of this changing, and I am not the only one.

A Form 13F report submitted by the Canada Pension Plan Investment Board (CPPIB) showed that the investment institution acquired shares in several Chinese companies on the US stock market, including Alibaba, Li Auto, JD.com and NetEase in the fourth quarter. Specifically, the company acquired 3.6 million shares of Alibaba valued at $279 million, making it the largest new position added by the fund. Soros Fund Management raised its holding of Alibaba to 75,000 shares, an increase of 87.5 percent, during the fourth quarter."

Source: Global Times .

It seems like the Canadian Pension Plan has some strong conviction in BABA, since it is now the largest new position in its portfolio. The Soros Fund Management almost doubled its position, and these are just a couple of many examples.

Of course, funds buy and sell multiple stocks every quarter. By itself, I would not see this as enough of a sign, but combined with the latest actions of the CCP, I feel like something big may be brewing.

Some Real Stimulus

There has been a lot of talk of Chinese stimulus before, but it has not quite materialized. The issue is that China has always been a lot more conservative than the U.S. with its policies. Now, however, we are seeing an unprecedented form of direct fiscal stimulus that will soon hit the economy.

Last Friday, the People's Bank of China said it would make $42.25 billion available to local governments to shore up the property market. While this may not sound like a lot, the measure should unlock 500 billion yuan in financing for purchases in the housing sector.

At this stage, it's mainly SOEs and local governments to implement the policies, but their resources may be too limited to move the needle at the macro level," he said. "Later on, we might see more efforts from the central government.

Source: Larry Hu, Chief China economist at Macquarie.

But even if it is local governments implementing the policies, the funding will be coming from the Central Bank itself, which doesn't really have a limitation on the funds it can extend.

And this is not all. Next Saturday, the China Securities Regulatory Commission (CSRC) is expected to announce new market-related policies at the Lujiazui Forum.

To top things off, all this comes at a time when the IMF has actually bolstered its forecast for Chinese GDP, which is expected to grow 5% in 2024 .

Alibaba; Still the best China play?

With all of this, now might be a good time to dip your feet in Chinese stocks and markets, and I believe Alibaba is one of the best ones.

Although there are certainly stocks with more upside potential, these are also more risky. Alibaba, on the other hand, is a household name with a long and established track record in the stock market.

The stock has struggled somewhat with its EPS growth.

BABA Revenue and EPS estimates (Seeking Alpha)

With that said, EPS are expected to bottom in 2025 and then grow at over 10% yearly until 2028. Meanwhile, revenue growth is expected to come in at around 8% for the next 3 years.

It is certainly not crazy growth, but this means it is also that much easier for BABA to surpass these conservative estimates, in my opinion.

Ultimately, it is cash that moves markets, especially with a foreign stock like BABA. Returning cash through a dividend or buybacks will go a long way in helping the valuation.

Cash on Hand (companiesmarketcap.com)

Alibaba currently holds almost $80 billion in disposable cash in its balance sheet .

As political relations and the economy begin to normalize, I'd expect to see Alibaba return to its previous trading multiples, or at least an average.

P/FCFEE (Alpha Spread)

We can see that the P/FCFE is historically low for BABA. This traded at 22x P/FCFE in 2018, reaching a high of 30x cash flow by 2020.

At today's ratio of 9.3, I think we at least have an upside to meet the industry average of 15, meaning the stock could appreciate a good 70% from here.

Investing in Alibaba doesn't come without risk, of course, and most investors are well aware of what these are. The ADR structure puts off many investors, as does the fact that the CCP has such overwhelming control over its companies.

Nonetheless, Alibaba Group Holding Limited stock is cheaply priced and seems to have found a bottom. It looks like the PBoC and CCP are finally ready to step up their support of the economy, and this is great news for BABA and, the way I see it, for investors in Chinese stocks.

Editor's Note: This article discusses one or more securities that do not trade on a major U.S. exchange. Please be aware of the risks associated with these stocks.

Macro moves markets, and this is what I do at The Pragmatic Investor

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This article was written by

James Foord is an economist by trade and has been analyzing global markets for the past decade. He leads the investing group The Pragmatic Investor where the focus is on building robust and truly diversified portfolios that will continually preserve and increase wealth.

Analyst’s Disclosure: I/we have a beneficial long position in the shares of BABA either through stock ownership, options, or other derivatives. I wrote this article myself, and it expresses my own opinions. I am not receiving compensation for it (other than from Seeking Alpha). I have no business relationship with any company whose stock is mentioned in this article.

Seeking Alpha's Disclosure: Past performance is no guarantee of future results. No recommendation or advice is being given as to whether any investment is suitable for a particular investor. Any views or opinions expressed above may not reflect those of Seeking Alpha as a whole. Seeking Alpha is not a licensed securities dealer, broker or US investment adviser or investment bank. Our analysts are third party authors that include both professional investors and individual investors who may not be licensed or certified by any institute or regulatory body.

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The Influence of Stator Endwall Clearances on Multistage Axial Compressor Aerodynamics

Investigating clearance flows and blockage generation in axial compressors represents a longstanding area of research for enhancing aerodynamic performance and operational stability in turbomachinery. With advancements in computational fluid dynamics (CFD), opportunities to explore these phenomena have expanded, allowing a deeper understanding of the turbomachine's inherently complex and highly unsteady flow fields. This work delves into these topics, focusing on the Purdue 3-Stage (P3S) compressor, an engine-representative, multistage, high-speed compressor.

The primary objective of this research is to compare the performance and stability characteristics of two distinct stator configurations: a shrouded baseline configuration and a cantilevered stator configuration. This comparison reveals the impacts of clearance flows and blockage generation on compressor operation. Through a series of experimental investigations, this study aims to identify the differences in performance and stability traits between these configurations and the flow structures responsible.

Experimental characterization has a central role in this study, involving the analysis of leakage flow structures, corner separations, wake structures, and resulting endwall blockage generation. This research seeks to provide detailed insights into the flow phenomena within the compressor by utilizing detailed measurement techniques, such as circumferential interrogation of the flow field using 7-element Kiel-head rakes. Pressure deficits associated with leakage flows, corner separations, and wakes are quantified to assess their impact on compressor performance.

In conjunction with experimental investigations, this work outlines the development and validation of the supporting high-fidelity CFD models. These models, employing scale-adaptive turbulence model simulations, aim to simulate the flow field within the compressor with accuracy and reliability. Validation of these models against experimental data ensures their fidelity in capturing the complex flow phenomena observed experimentally. Furthermore, a detailed exploration of convergence aspects, including iterative convergence, grid convergence, and periodic-unsteady signals, lays the foundations for building confidence in the model predictions.

The computational models complement experimental findings, allowing for a comprehensive flow field analysis focusing on endwall flow structures. Visualization of vortex core and three-dimensional blockage regions provides valuable insights into the flow physics governing compressor performance. Moreover, the comparative nature of computational simulations facilitates systematic exploration of geometric changes and their effects on compressor operation. This study leverages complementary methodologies of experimental measurements and high-fidelity computational models to advance the understanding of clearance flows and blockage generation in axial compressors.

The experimental analysis concludes that the cantilevered configuration achieves better performance and stability than the shrouded stator configuration. However, this conclusion is not apparent when the machine is considered holistically. The cantilevered stages show significant performance improvements, with increases in total pressure ratio of up to 1% and an increase in isentropic efficiency of as much as 2%. However, the common Stage 3 shrouded Stator 3 shows a corresponding deficit of as much as 2% loss in efficiency relative to the fully shrouded stator configuration baseline. These contrasting benefits in the cantilevered stator compressor show that Stage 3 seems to cancel the overall benefits gained by the cantilevered stator. Similar studies have been done on low-speed multistage compressors, but this shows the value of the study in a high-speed research compressor with appreciable stagewise temperature and density increase.

Degree Type

• Doctor of Philosophy
• Aeronautics and Astronautics

Campus location

• West Lafayette

Advisor/Supervisor/Committee Chair

Additional committee member 2, additional committee member 3, additional committee member 4, usage metrics.

• Aerospace engineering not elsewhere classified
• Energy generation, conversion and storage (excl. chemical and electrical)