Logical ReasoningDifficulty: Medium

PT4 S4 Q18 Explanation

Zeida: Dr. Ladlow, a research psychologist

A free, expert breakdown of this official LSAT Logical Reasoning question.

TopicsMethod

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Stimulus

Zeida: Dr. Ladlow, a research psychologist, has convincingly demonstrated that his theory about the determinants of rat behavior generates consistently accurate predictions about how rats will perform in a maze. On the basis of that his theory is irrefutably correct.

Anson: Then Dr. Ladlow is not a responsible psychologist. Dr. Ladlow’s evidence does not conclusively prove that his theory is correct. Responsible psychologists always accept the possibility that their theories are incorrect.

What this question is testing

Method

Your task

Describe how the argument proceeds — the technique it uses to reach its conclusion.

Common trap

Answers that describe a method the argument doesn't actually use.

Winning move

Track the role each statement plays, then match that to the choice describing the same moves.

Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.

The question
18.

Anson bases his conclusion about Dr. Ladlow on which one of

Answer choices

  1. Trap16% picked this

    An attack on Dr. Ladlow’s

  2. Correct77% picked this

    The application of a general

    Why this is right

    Answer B is correct.

    Skill tested: Method · how this choice captures the argument's function is the move to repeat next time.

  3. Trap2% picked this

    The use of an ambiguous

  4. Trap2% picked this

    The discrediting of

  5. Trap3% picked this

    The rejection of a theoretical

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