Logical ReasoningDifficulty: Medium

PT156 S2 Q16 ExplanationA recent study found that small rats

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

TopicsParadox

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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

A recent study found that small rats were approximately twice as likely, and large rats only half as likely, to suffer from rats of average size.

What this question is testing

Paradox

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
16.

Each of the following, if true, contributes to an explanation of the correlation given above between size and heart

Answer choices, explained

  1. Correct75% picked this

    Small rats are more likely than large rats to suffer from fatal diseases that tend to strike earlier

    Why this is right

    Answer A is correct.

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

  2. Trap2% picked this

    Small rats generally have smaller blood vessels than do large rats, vessels that can more easily be

  3. Trap9% picked this

    The larger a rat is, the more successful it will be at defending itself, and therefore the less

  4. Trap9% picked this

    In addition to being the leading cause of weak hearts in adult rats, malnutrition at early stages of development

  5. Trap6% picked this

    Although large rats are no more active than rats of average size, they tend to be much more active than small rats,

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