Logical ReasoningDifficulty: Hard

PT10 S4 Q22 Explanation

Only an expert in some branch

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

TopicsMust be True

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Full official LSAT questions are available through LawHub. This page provides LSAT Lab's explanation, strategy, and review tools without republishing the full official question.

Stimulus

Only an expert in some branch of psychology could understand why Patrick is behaving irrationally. But no expert is certain of being able to solve someone else’s problem. Patrick to his own behavioral problem.

What this question is testing

Must be True

Your task

Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.

Common trap

Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.

Winning move

Predict what a right answer must do, then test each choice against the conclusion-evidence gap.

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

The question
22.

Which one of the following conclusions can be validly drawn from

Answer choices

  1. Trap12% picked this

    Patrick does not understand why he is behaving in

  2. Trap14% picked this

    Patrick is not an expert in

  3. Trap12% picked this

    Patrick is not certain of being able to devise a solution to his

  4. Trap11% picked this

    Unless Charles is an expert in some branch of psychology, Charles should not offer a solution

  5. Correct50% picked this

    If Charles is certain of being able to solve Patrick’s behavioral problem, then Charles does not understand why Patrick

    Why this is right

    Answer E is correct.

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

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