purpose vs thesis

Thesis and Purpose Statements

Use the guidelines below to learn the differences between thesis and purpose statements.

In the first stages of writing, thesis or purpose statements are usually rough or ill-formed and are useful primarily as planning tools.

A thesis statement or purpose statement will emerge as you think and write about a topic. The statement can be restricted or clarified and eventually worked into an introduction.

As you revise your paper, try to phrase your thesis or purpose statement in a precise way so that it matches the content and organization of your paper.

Thesis statements

A thesis statement is a sentence that makes an assertion about a topic and predicts how the topic will be developed. It does not simply announce a topic: it says something about the topic.

Good: X has made a significant impact on the teenage population due to its . . . Bad: In this paper, I will discuss X.

A thesis statement makes a promise to the reader about the scope, purpose, and direction of the paper. It summarizes the conclusions that the writer has reached about the topic.

A thesis statement is generally located near the end of the introduction. Sometimes in a long paper, the thesis will be expressed in several sentences or an entire paragraph.

A thesis statement is focused and specific enough to be proven within the boundaries of the paper. Key words (nouns and verbs) should be specific, accurate, and indicative of the range of research, thrust of the argument or analysis, and the organization of supporting information.

Purpose statements

A purpose statement announces the purpose, scope, and direction of the paper. It tells the reader what to expect in a paper and what the specific focus will be.

Common beginnings include:

“This paper examines . . .,” “The aim of this paper is to . . .,” and “The purpose of this essay is to . . .”

A purpose statement makes a promise to the reader about the development of the argument but does not preview the particular conclusions that the writer has drawn.

A purpose statement usually appears toward the end of the introduction. The purpose statement may be expressed in several sentences or even an entire paragraph.

A purpose statement is specific enough to satisfy the requirements of the assignment. Purpose statements are common in research papers in some academic disciplines, while in other disciplines they are considered too blunt or direct. If you are unsure about using a purpose statement, ask your instructor.

This paper will examine the ecological destruction of the Sahel preceding the drought and the causes of this disintegration of the land. The focus will be on the economic, political, and social relationships which brought about the environmental problems in the Sahel.

Sample purpose and thesis statements

The following example combines a purpose statement and a thesis statement (bold).

The goal of this paper is to examine the effects of Chile’s agrarian reform on the lives of rural peasants. The nature of the topic dictates the use of both a chronological and a comparative analysis of peasant lives at various points during the reform period. . . The Chilean reform example provides evidence that land distribution is an essential component of both the improvement of peasant conditions and the development of a democratic society. More extensive and enduring reforms would likely have allowed Chile the opportunity to further expand these horizons.

For more tips about writing thesis statements, take a look at our new handout on Developing a Thesis Statement.

Writing Process and Structure

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Getting Started with Your Paper

Interpreting Writing Assignments from Your Courses

Generating Ideas for Your Paper

Creating an Argument

Thesis vs. Purpose Statements

Developing a Thesis Statement

Architecture of Arguments

Working with Sources

Quoting and Paraphrasing Sources

Using Literary Quotations

Citing Sources in Your Paper

Drafting 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

Seeking Feedback from Others

Writing Collaboratively

Collaborative and Group Writing

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Thesis/Purpose Statement

Probably the most daunting task for any writer is to generate an effective thesis statement.  In college, academic writing follows a specific pattern— after a brief opening, you state your position in one clear sentence. Whether your essay is explanatory or argumentative, a strong thesis statement will provide the map, guiding the entire essay. Confusion arises, however, over the difference between a purpose statement and a thesis.

What is the function of a purpose statement?

• It gives the paper a focus: scope and direction.
• It foreshadows the development of the argument

Used in many of the sciences for research proposals, in some disciplines, a purpose statement is too blunt or direct, so check with your instructor about using a purpose statement.

Sample purpose statement This paper will examine the ecological damage caused by Katrina on the Gulf Coast. The focus will be on the economic, political and social relationships effected by the environmental problems.

What is the function of a thesis statement? A thesis statement:

• Gives the writer’s declaration of the purpose of the paper.
• Makes an assertion directly answering the question the paper asks.
• Offers a provable claim that reasonable people could argue.
• Provides a map of the arrangement of ideas presented in the essay.

(Note that the thesis statement is more complex than the purpose statement)

Sample thesis statement        The ecological damage produced by Katrina on the Gulf Coast was caused by the political and social environment of the region.

What are the characteristics of a good thesis statement?

• It answers a specific question.
• It is narrow or broad enough to be covered within the assignment parameters.
• It focuses on one main idea.
• It is controversial enough that a reasonable person could disagree.

How do I generate a good thesis statement? After you have completed your research for evidence, you will need to analyze the material to find the possible connections— both similarities and contrasts. Once you have analyzed your evidence, you will have a main idea or a working thesis. Think of the process of creating a thesis like a funnel, beginning with a general subject, narrowed by the purpose, and ending with a specific assertion, claim, or thesis.

How do I generate a thesis if the topic is assigned? Any assignment can be narrowed down to a single question. Your first task is to select the focal question that your essay will answer. If the assignment is a request for information, such as “Write a report on the benefits of expanding the Marina District in Downtown Toledo,” turn the request into a question— “What are the benefits of building the Marina District in Downtown Toledo?” After you have established the focal question, compose a one- to- two-sentence response based on your educated opinion.

Q: What are the benefits of the Marina District in Toledo?

A: The potential benefits of the development of the Marina District are….

How do I generate a thesis if the topic is not assigned?

Even if your instructor has not posed a specific question, you will need to create a question about the issue you plan to investigate. It is best if you first establish your subject; next consider the purpose of the essay. From this point you should be able to ask a question about the topic to then state a position or thesis.

Brainstorm the topic What are your concerns? What concerns are facing your field of study? For example, you are in construction and you are concerned with the slow recovery in New Orleans after Katrina. You begin the thought process like this:

Construction reform.

This is not a thesis; it is a fragment. This is a general subject from which you could take your paper in many directions. Perhaps from your research you have found that there were oversights in the codes for homes constructed in hurricane and flood zones. While everyone will agree that rebuilding flimsy homes is a bad idea, narrowing your topic to who should make the reform and what specific types are needed will assert your position.

Because a majority of the damage caused by Katrina was due to inadequate construction, the federal government needs to establish more stringent building codes before financing reconstruction.

Test your thesis

• Does it take a stand and capture the subject?
• Does it invite a discussion or can a simple statement respond it to?
• Is it specific to your paper?
• Is your claim significant?
• Are the words and phrases a unified by a single idea?

Test the sample thesis Because a majority of the damage caused by Katrina was due to inadequate construction, the federal government needs to establish more stringent building codes before financing reconstruction.

• Does it take a stand? Yes, the damage was due to inadequate construction and the federal government needs to step in.
• Does it invite discussion? Yes, some reasonable people may feel that it is not the government’s responsibility to enforce codes and that no building could withstand the force of Katrina.
• Is the thesis specific? Yes, it focuses on the aftermath of one storm and the steps to be taken before more federal funds should be used.
• Is the claim significant? Yes, rebuilding still needs to take place.
• Are the words focused on a single idea? Yes, not all issues are being addressed, just one aspect of a condition for rebuilding. Yet the thesis is still broad enough to allow the paper to explore examples of the types of destruction, building codes, and financial needs facing those devastated by Katrina.

  For any further questions or more a detailed explanation refer to your instructor,  The Little Brown Compact Handbook,  or the Writing Center.

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Thesis vs. Purpose Statement

Information technology (bit3107), mount kenya university.

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This guide will help you understand the difference between thesis and purpose statements. When it comes to writing an essay the key idea to remember is this: usually, it is not advised to have a statement of purpose within a paper. However, you can use purpose statements as the first sentence of an essay sometimes. Purpose statements also work well in abstracts. Occasionally, you can use purpose statements as a thesis statement in scientific and heavily-research based papers.

Thesis statement

A thesis statement is a sentence, which delineates the topic, predicts how the topic will be developed and says something precise about the topic. The key point here is not only to announce a topic, but to be precise with the conclusions you made about the topic. A good thesis statement contains succinct and very clear information about the key points of the topic, its purpose and provides answers to the topic questions. The writer should be able to prove and support a thesis statement within the paper. Therefore, such statement should not be too large or general, since it defines the key route for the paper.

In a short paper, a thesis statement should be located at the end of the intro paragraph. In a longer paper, a thesis statement may consist of several sentences or an entire thesis paragraph (for example, dissertations).

Example: Good: The war has significantly changed the historical background of ... due to... Bad: In this paper, I will discuss the war and its consequences...

Purpose statement

The goal of a purpose statement is to announce the purpose, direction and the general scope of the paper. Nevertheless, unlike a thesis statement, purpose statement does not provide particular conclusions made by the writer. Just like a thesis statement, a purpose statement is located at the end of the intro paragraph, or may take the form of a separate paragraph in large papers, such as dissertations etc.

While both ways to present your paper are acceptable in academic writing, we advise you to cling to thesis statements. Purpose statements are typical for the written assignments like research papers. They are also a common requirement among definite disciplines. Therefore, we recommend you to consult your customer if you are not sure which method to choose to present your topic.

This paper will examine the consequences of the war and the causes of this conflict. The focus will be on the political and social instability preceding the tragic events.

You may use such phrases for your purpose statement:

This essay seeks to remedy these problems by analyisng the literature of ........

This essay seeks to address the following questions ...

The purpose of this study is to...

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Course : Information Technology (BIT3107)

University : mount kenya university.

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Confusion with Thesis Statements

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Students need to understand both what a thesis looks like and how to develop one.

Point of Confusion: Students can write a thesis but are not sure which type to use.

In many cases, students become confused about thesis statements’ structure because, when they hear “thesis statement,” it has not always meant the same thing in all their previous courses. For example, the most common problem occurs when students conflate thesis statements, which make a clear argument, and purpose statements, which merely preview the paper’s organization.

To complicate the issue, even traditional thesis statements can vary in structure and complexity. Some disciplines prefer a simple position statement (that does not preview the paper’s main supporting reasons); some faculty are happy with a simple listed-based thesis (claim+3-4 supporting reasons); others prefer compound-complex sentences. (See the Moody Writing Center handouts “Thesis vs. Purpose Statements” and “Different Types of Thesis Statements”).

There is no need for faculty to spend a great deal of time on this issue, but there are some straightforward ways to clarify what a good thesis looks like in each discipline:  

• Tell students what type of statement makes sense for their project and why.
• Explain how this type of thesis/purpose statement fits within the larger discipline.
• Offer short examples of what an effective thesis looks like for this kind of project. Often, this might be a brief discussion of how a course reading demonstrates the strategy they should follow

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Difference Between Thesis and Purpose Statements

As you select your topic and plan your research, you’ll need to think about your point of focus. Your instructor may ask you to write a thesis statement or a purpose statement. Sometimes you will have both in the same paper. No matter what type of style you use – MLA, APA or Chicago , – you’ll need to include thesis or purpose statements.

How to Use Thesis or Purpose Statements

After you select your topic , you’ll need to determine the point of your paper. Are you trying to persuade your reader towards a certain conclusion? Are you comparing and contrasting other people’s arguments?

During the first part of developing your research paper or essay, you can create a rough draft of a thesis or purpose statement to drive your research. As you work through your paper, you’ll refine these statements.

Although your thesis or purpose statement is included in the introduction , it’s often advised to write your introduction last. That way, you’ve presented your research to its conclusion. Then, you’ll have a clear idea of your introduction.

Thesis Statements

Typically, your thesis statement will be placed at or near the end of your introduction. It can be one or two sentences, or even up to a paragraph long. However, don’t make it so long that the reader has difficulty understanding it. Your thesis statement is your argument or the answer to a question or problem. The thesis statement provides the scope, purpose and direction of your paper. It is specific and focused.

Focused interviews and examination of published research indicate that college students report increased satisfaction in attending classes with cultural diversity. Community colleges that embrace cultural diversity have happier students overall.

Purpose Statements

Purpose statements are used to let the reader know what the paper is about and what to expect from it. You can tell a purpose statement by the way it’s written. A purpose statement, unlike a thesis statement, doesn’t discuss any conclusions. It must also be concise and specific. For example, the sentence can begin with phrases such as:

• The purpose of this paper is to….
• This essay examines…..
• In this paper, I will describe…..

This essay examines cultural diversity in community colleges. The focus will be on how cultural diversity affects students’ daily lives.

Combining a Purpose and Thesis Statement

You may include both a purpose and thesis statement. Again, check with your instructor. Teachers will provide specific instructions for you to follow in completing your assignment.

This essay examines cultural diversity in community colleges. The focus will be on how cultural diversity affects students’ daily lives. Focused interviews and examination of published research indicate that college students report increased satisfaction in attending classes with cultural diversity. Community colleges that embrace cultural diversity have happier students overall.

Tying It All Together

The thesis or purpose statement needs to match what you state in your essay. Preparing an outline before you begin your paper helps you stay on track. Teachers will often assign an outline for that reason. However, even if it’s not part of your assignment, creating an outline is an effective way to organize your paper.

Your introduction and conclusion should tie together. The ideas you presented in your introduction will be backed up by the research in your paper, and your conclusion will bring it all together.

Generally, you’ll provide either a thesis statement or a purpose statement. As you enter college writing classes, you will need to understand how to write a good thesis statement. Your instructor will provide an assignment rubric, which you should follow at all times. The school or public librarian can guide you to excellent resources on writing essays and research papers.

Making an Outline for Your School Essay in APA, MLA or Chicago

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