Logical ReasoningDifficulty: Medium

PT121 S4 Q17 Explanation

A large amount of rainfall

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

TopicsFlaw

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Stimulus

A large amount of rainfall in April and May typically leads to an increase in the mosquito population and thus to an increased threat of encephalitis. People cannot change decrease the threat of encephalitis.

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
17.

The reasoning in the argument above is flawed in that

Answer choices

  1. Trap10% picked this

    takes for granted that because one event precedes another the former must be the cause

  2. Trap0% picked this

    presumes, without providing justification, that a certain outcome would

  3. Correct79% picked this

    ignores the possibility that a certain type of outcome is dependent on more

    Why this is right

    Answer C is correct.

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

  4. Trap8% picked this

    takes for granted that a threat that is aggravated by certain factors could not occur in the

  5. Trap3% picked this

    draws a conclusion about what is possible from a premise about what is

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