A thesis statement in an academic paper offers an answer to a specific question or an interpretation of a specific issue. Often—though not always—expressed in a single sentence at the end of a first paragraph, the thesis establishes a “debatable claim” for readers that the writer will develop and argue throughout the text. 

Developing your thesis: this in-depth guide from the Odegaard Writing & Research Center covers the important characteristics of a thesis, the six-step method for creating one, the revision process, and more.

How to write a good thesis statement: includes the purpose of a thesis and tips to keep in mind before you begin. 

Types of thesis statements: this document from the Appalachian State University Writing Center lists the common characteristics and different types of thesis statements—analytical, expository, narrative, and argumentative.