Introduction
Text Structure and Purpose questions ask you to look past what a passage says and analyze how it is organized. They belong to the Craft and Structure domain, which accounts for roughly 28% of Reading and Writing operational questions — making it one of the largest skill areas on the test.
This note focuses on one specific slice: recognizing the five common organizational patterns in short passages and explaining how each pattern serves the author's aim. Questions about a passage's overall rhetorical purpose (beyond structure), sentence- or phrase-level function, and structure in literary texts are covered in sibling notes for those subtopics.
Core Concept
Every short SAT passage has a skeleton — a logical framework the author chose to arrange ideas. That choice is never random. The structure enacts the purpose: an author who wants to show that one policy outperforms another naturally reaches for compare/contrast; an author explaining why a species declined naturally reaches for cause-effect. Your job is to name the skeleton and connect it to what the author is trying to accomplish.
The five patterns you must recognize:
| Pattern | Core Logic | What the Author Wants to Do |
|---|---|---|
| Compare/Contrast | Examines similarities and/or differences between two or more subjects | Show how subjects relate, evaluate which is preferable, or highlight a surprising resemblance/difference |
| Cause-Effect | Links events or conditions to their results (or results back to their origins) | Explain why something happened or what resulted from an action |
| Problem-Solution | Identifies a difficulty, then presents a response or remedy | Persuade readers to accept or act on a proposed fix |
| Chronological | Narrates events or developments in time order | Trace a sequence, show progress, or build narrative momentum |
| Claim-Counterclaim | States a position, acknowledges an opposing view, then responds | Strengthen a stance by addressing objections; demonstrate intellectual fairness |
Key insight: A passage can layer patterns (a chronological account that also shows cause-effect), but the dominant pattern — the one that governs the overall architecture — is what the question targets.
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