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Reading & WritingChapter 3: Command of Evidence

Notes

Choosing the Strongest Textual Evidence Notes

Rank relevant-looking findings and quotations by directness, scope, and assumptions.

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Several choices may relate to a claim, but only one supplies the strongest textual evidence. Strength depends on logical fit—not on dramatic wording, length, or repeated keywords.

What the SAT is testing

Command of Evidence
A supplied claim or point is evaluated with the textual or quantitative evidence that best supports, illustrates, weakens, or challenges it.

Core concept

Rank evidence by relevance, directness, scope, specificity, direction, and required assumptions. For a two-part claim, an option addressing both parts is normally stronger than one supporting only half.

Evidence distinctions

Direct

Tests the relationship the claim predicts. Example: Both variables change in the predicted way.

Partial

Supports one clause but ignores another. Example: Shows faster growth but not improved survival.

Indirect

Needs an unstated bridge. Example: Reports popularity instead of the claimed effect.

Step-by-step strategy

Claim-first evidence method

  1. Identify

    State the exact claim, including its population, condition, direction, and qualification.

  2. Predict

    Ask what evidence would look like if the claim were true—or what would challenge it.

  3. Locate

    Select only the text or data relevant to that predicted relationship.

  4. Compare

    Evaluate direction, scope, directness, and required assumptions across choices.

  5. Verify

    Check the chosen wording and every cited value against the stimulus.

Worked example

Worked example

Apply 3-2

A critic claims that an original fictional character hides uncertainty behind exaggerated confidence but becomes more candid when speaking privately.

Question: Which quotation most strongly supports the claim?

  1. Before the crowd, Lio announced, ‘I have never doubted a single step’; alone with Mara, he whispered, ‘I have been guessing since dawn.’
  2. Lio polished his boots before entering the crowded hall.
  3. Mara told Lio that the road would be difficult.
  4. Lio spoke loudly in the square and later closed the window.
  1. Step 1

    Break the claim into public exaggeration, hidden uncertainty, and private candor.

  2. Step 2

    Choice A supplies direct language for all three elements.

  3. Step 3

    The other choices share setting or behavior but do not reveal the required contrast.

Choice A supports both the public confidence and private uncertainty.

Why each choice works or fails

  1. Correct: the paired quotations directly establish the claimed contrast.
  2. Irrelevant detail: appearance does not reveal uncertainty.
  3. Wrong speaker: Mara's statement does not show Lio's attitude.
  4. Too indirect: volume and a closed window require unsupported interpretation.

Common traps and wrong-answer patterns

Mini check

Mini check

A hypothesis predicts that a coating improves both scratch resistance and flexibility. Which finding is strongest?

  1. Coated samples resisted more scratches and bent farther before cracking than uncoated samples.
  2. Coated samples resisted more scratches.
  3. Coated samples were glossier.
  4. Uncoated samples were easier to label.
Show answer and explanation

Answer: A

It directly tests both required outcomes against the comparison condition.

Key takeaways

Key takeaways

What to remember

  • Rank evidence by logical fit, not surface impressiveness.
  • Strong evidence preserves population, condition, direction, and scope.
  • Multi-part claims usually require multi-part evidence.
  • Literary quotations must reveal the stated interpretation on their own.
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Put these notes into practice

Apply the ideas with SAT-style questions, then reinforce key details with flashcards.