Inferences

Complete a passage with the conclusion that follows most logically from the information given. It is part of Information and Ideas in the Reading and Writing section. The book teaches it in Chapter 10, Inferences, with 15 practice questions, and tests it 8 more times across the two full-length practice tests.

About Chapter 10

An Inferences question gives you a short passage that stops in the middle of a thought. A blank sits where the conclusion should be, and you pick the choice that most logically completes the text. These questions usually come last in the Information and Ideas group, and they can feel like the hardest in it, because the answer is not written in the passage; it has to follow from what is. That is the whole skill: separating what the passage makes necessary from what it merely makes possible. The right answer is often the least exciting choice: it claims exactly as much as the evidence allows.

What the question looks like

The stem is nearly always the same: “Which choice most logically completes the text?” The passage reads like a compact argument: it gives background, presents a finding or a contrast, and leads into the blank with words such as “This suggests that ______,” “Therefore, ______” or “it can most reasonably be concluded that ______.” Each choice is a full idea, usually a clause that finishes the final sentence.

Passages come from science, history and social studies, and the humanities, including literary criticism. Some describe a study; others state a general idea, such as how a map’s purpose decides what it leaves out, and ask you to apply it.

How to recognize it

Several question types end with a blank, so check the stem and the choices.

  • Blank completed by a single word or short phrase; “most logical and precise word or phrase”: Words in Context (Chapter 5)
  • Blank completed by data from a table or graph: Command of Evidence: Quantitative (Chapter 9)
  • Blank at the end; choices are full ideas; “most logically completes the text”: Inferences (this chapter)
  • Blank between sentences filled by a linking word such as however or therefore: Transitions (Chapter 13)
  • Choices differ only in punctuation or grammar; “conforms to the conventions of Standard English”: Boundaries or Form, Structure, and Sense (Chapters 11 and 12)

Common traps

  • Could be true; What it looks like: A sensible idea the passage does not require; How to spot it: Ask “must it be true?” rather than “might it be true?”
  • Goes too far; What it looks like: A conclusion broader or more certain than the evidence; How to spot it: Look for all, always, proves, the only or exact figures
  • Repeats a premise; What it looks like: A choice that restates the passage; How to spot it: A conclusion must add something that follows
  • Reversed cause; What it looks like: Effect presented as cause; How to spot it: Check which event the passage says came first
  • Ignored signal word; What it looks like: A choice that fits therefore when the blank follows however; How to spot it: Reread the words just before the blank
  • Broken condition; What it looks like: A choice that rejects a stated assumption; How to spot it: Treat qualifiers such as “if these records are accurate” as rules, however reasonable the choice sounds
  • Outside knowledge; What it looks like: True in the world but not in the passage; How to spot it: Use only what the passage gives you

Video lessons

Two short lessons from independent YouTube creators, chosen for this skill. The notes are ours; the videos belong to their creators, who are not affiliated with this site.

  • Inference questions, worked through (Penguin SAT Prep , 7:38). Watch for: Choosing the conclusion the passage forces, not one it merely allows.
  • Strategies for completing the text (Ivy League Mentors, 14:23). Watch for: Following the passage’s logic to its last sentence.

Practice this skill

The full method, worked examples and 15 practice questions with every answer choice explained are in Chapter 10 of the book and in the study workspace, where an AI coach can talk you through each one.

Independence

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