Logical ReasoningDifficulty: Hard

PT6 S3 Q23 Explanation

Anthony: It has been established

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

TopicsMethod

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Stimulus

Anthony: It has been established that over 80 percent of those who use heroin have a history of having used marijuana. Such evidence would seem to leads to heroin use.

Judith: Maybe smoking marijuana does lead to heroin use, but it is absurd to think that citing those statistics proves that it does. After all, 100 percent of the people a previous history of drinking water.

What this question is testing

Method

Your task

Describe how the argument proceeds — the technique it uses to reach its conclusion.

Common trap

Answers that describe a method the argument doesn't actually use.

Winning move

Track the role each statement plays, then match that to the choice describing the same moves.

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

The question
23.

Judith’s reply to Anthony’s argument relies on which one of the following

Answer choices

  1. Trap2% picked this

    offering evidence suggesting that the statistics Anthony cites in support of his

  2. Trap18% picked this

    undermining the credibility of his conclusion by showing that it is a statement from which absurd

  3. Trap1% picked this

    providing an example to show that not everything that promotes heroin

  4. Correct64% picked this

    demonstrating that Anthony’s line of reasoning is flawed by showing that such reasoning can lead

    Why this is right

    Answer D is correct.

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

  5. Trap15% picked this

    calling into question the possibility of ever establishing causal connections solely on the basis

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