How Introductions and Conclusions Frame the Idea

Analyze how an author opens and closes a text to set up and reinforce the central idea.

The introduction and conclusion are like a frame around a picture. They tell you what to look at and what to take away. Introductions often hook the reader (with a question, a surprising fact, or a short scene), give background, and hint at or state the central idea. Conclusions often restate the central idea in a fresh way, show why it matters, or point to the future. Here is an original example. Introduction: 'Every night, thousands of birds crash into lit-up city windows. Most people never notice.

' Conclusion: 'Turning off a few lights after midnight costs almost nothing. For migrating birds, it can mean the difference between arriving and disappearing. ' The introduction presents the problem and its invisibility; the conclusion turns it into a simple, hopeful solution. Together they frame the central idea: city lighting harms migrating birds, but small changes can protect them. When you analyze a text, compare its first and last paragraphs to see how the idea has grown.

• 1Introductions hook, give background, and set up the idea
• 2Conclusions restate, show importance, or look ahead
• 3Compare opening and closing to see how the idea grew