Types of thesis statements. The thesis statement will reflect the kind of paper being written. There are three kinds of papers: analytical, expository, and argumentative. What is a Thesis Statement? The thesis statement is the sentence that states the main idea of a writing assignment and helps control the ideas within the paper. An essay has been defined in a variety of ways. One definition is a prose composition with a focused subject of discussion or a long, systematic discourse. [1] A classic format for compositions is the five-paragraph essay. It is not the only format for writing an essay, of course, but it is a useful model for you to keep in. How to Write a Thesis Statement. Whether you are writing a short essay or a doctoral dissertation, your thesis statement will arguably be the most difficult sentence. Expert Reviewed How to End an Essay. Three Parts: Brainstorming Your Conclusion Writing the Conclusion Avoiding Common Pitfalls Questions and Answers The thesis statement is that sentence or two in your text that contains the focus of your essay and tells your reader what the essay is going to be about. More writing resources for UMUC undergraduate students. Conclusions. Printable Version (20KB pdf) The conclusion is a very important part of your essay. The Classroom » School Subjects » How to Conclude a Thesis Paper; How to Conclude a Thesis Paper by Susan Brockett, Demand Media 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.