Start with the assignment question

Before writing an opening sentence, rewrite the prompt as a question you can answer. Mark its limits: topic, period, population, text, and required sources. If the prompt asks you to compare two policies, a thesis that only describes one policy is not yet an answer.

Draft a one-sentence provisional answer. It can change as you research. This is the anchor for your introduction, not necessarily its first sentence.

Build four useful moves

  1. Context: identify the specific issue the essay addresses, without a sweeping claim about all of history or society.
  2. Question or tension: show what is disputed, unclear, or worth explaining.
  3. Claim: state your answer in a form a reasonable reader could challenge.
  4. Route: name the key reasons or evidence categories the body will examine.

The order can vary by discipline. The purpose is orientation, not a rigid five-sentence template.

A worked example

Weak: “Technology has always changed education, and AI is important.” It is broad and does not answer a particular question.

Stronger: “For first-year writing assignments, AI feedback is most useful when students bring an initial claim and use the tool to test counterarguments; using it to draft a full response before reading sources weakens the evidence trail.” This makes a contestable, scoped claim and suggests what the essay will need to demonstrate.

The example is a model of structure, not a factual conclusion about all students. An actual paper would need its own evidence and course context.

Test the introduction against the body

After drafting, compare each promised reason with the paragraphs that follow. If a section no longer supports the thesis, either revise the section or refine the claim. Topic sentences should make the relationship visible rather than simply announce a subject. Purdue OWL's writing resources treat thesis development and paragraph structure as parts of the same argument.

Using AI responsibly

If course policy permits it, ask an AI tool: “What counterargument would challenge this thesis?” or “Which term in this claim is too broad?” Do not ask it to invent a scholarly debate or fabricate citations. Record the help if disclosure is required. Our writing workflow guide explains how to keep the reasoning and source checks yours.

Sources and editorial note

This page replaces a 2023 archive article. We rewrote it for the current site and checked the general guidance against the sources below. Your institution's own rules take precedence.