Logical ReasoningDifficulty: Easy

PT104 S1 Q2 Explanation

Although 90 percent of the population

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

TopicsFlaw

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Stimulus

Although 90 percent of the population believes itself to be well informed about health care, only 20 percent knows enough about DNA to understand a news story about DNA. So apparently at least 80 percent of the population does not know enough about medical to make good public policy decisions about health care.

What this question is testing

Flaw

Your task

Describe the reasoning error the argument actually commits.

Common trap

Answers that name a real logical flaw the argument doesn't actually make.

Winning move

Articulate the gap in the reasoning yourself, then match it to the choice that describes that 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
2.

The argument’s reasoning is questionable because the argument fails to

Answer choices

  1. Trap6% picked this

    Those people who can understand news stories about DNA are able to make well-informed

  2. Trap2% picked this

    More than 20 percent of the population needs to be well informed about health care for good public policy decisions about

  3. Trap2% picked this

    One’s being able to make well-informed personal medical choices ensures that one makes good public policy

  4. Correct89% picked this

    An understanding of DNA is essential to making well-informed personal medical choices or to making good public policy

    Why this is right

    Answer D is correct.

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

  5. Trap1% picked this

    Since 90 percent of the population believes itself to be well informed about health care, at least 70 percent of the population

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