Logical ReasoningDifficulty: Medium

PT114 S1 Q23 Explanation

Activist: Food producers irradiate food

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

TopicsFlaw

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Stimulus

Activist: Food producers irradiate food in order to prolong its shelf life. Five animal studies were recently conducted to investigate whether this process alters food in a way that could be dangerous to people who eat it. The studies concluded that irradiated food is safe for humans to eat. However, because these methodology, it follows that irradiated food is not safe for human consumption.

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
23.

The reasoning in the activist’s argument is flawed because

Answer choices

  1. Correct73% picked this

    treats a failure to prove a claim as constituting proof of the denial

    Why this is right

    Answer A is correct.

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

  2. Trap11% picked this

    treats methodological flaws in past studies as proof that it is currently not possible to

  3. Trap7% picked this

    fails to consider the possibility that even a study whose methodology has no serious flaws nonetheless might provide only

  4. Trap2% picked this

    fails to consider the possibility that what is safe for animals might not always be

  5. Trap8% picked this

    fails to establish that the independent scientists know more about food irradiation than do the people who

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