Logical ReasoningDifficulty: Easy

PT132 S2 Q2 Explanation

Among people who live to the age

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

TopicsStrengthen

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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

Among people who live to the age of 100 or more, a large proportion have led "unhealthy" lives: smoking, consuming alcohol, eating fatty foods, and getting little exercise. Since such behavior often leads to shortened life spans, are genetically disposed to having long lives.

What this question is testing

Strengthen

Your task

Find the choice that makes the argument's conclusion more likely to be true.

Common trap

Answers that are consistent with the argument but add no real support, or that strengthen a claim the argument doesn't make.

Winning move

Locate the gap between evidence and conclusion, then pick the choice that closes it.

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

The question
2.

Which one of the following, if true, most strengthens

Answer choices

  1. Weaken1% picked this

    There is some evidence that consuming a moderate amount of alcohol can counteract the effects

    This makes it less likely that it is genetic predisposition by suggesting that something else might have a beneficial effect on life span.

  2. Weaken / Too Weak2% picked this

    Some of the exceptionally long-lived people who do not smoke or drink do eat fatty foods

    This suggests that the lives of some of those exceptionally long-lived people were not as unhealthy as first thought. Furthermore this statement is too weak to impact the argument.

  3. Weaken / Too Weak2% picked this

    Some of the exceptionally long-lived people who exercise regularly and avoid fatty foods do smoke

    This suggests that the lives of some of those exceptionally long-lived people were not as unhealthy as first thought. Furthermore this statement is too weak to impact the argument.

  4. Too Weak3% picked this

    Some people who do not live to the age of 100 also

    While this correlates shorter life spans with unhealthy lives, it is too weak to impact the argument.

  5. Correct92% picked this

    Nearly all people who live to 100 or more have siblings who

    Why this is right

    This strengthens the correlation between genetic predisposition and long life spans.

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

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