Logical ReasoningDifficulty: Medium

PT117 S4 Q6 Explanation

Doctors urge people to reduce

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

TopicsRole

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Stimulus

Doctors urge people to reduce their cholesterol levels through dietary changes. But moderate dietary changes often do not work to lower cholesterol levels. One may need, therefore, to make switching to a vegetarian diet.

What this question is testing

Role

Your task

Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.

Common trap

Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.

Winning move

Predict what a right answer must do, then test each choice against the conclusion-evidence 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
6.

The statement that moderate dietary changes often do not work to lower cholesterol levels plays which one of the following

Answer choices

  1. Wrong Role13% picked this

    It is presented to counter doctors’ suggestions that cholesterol levels can be reduced

    Our author doesn't present the doctor's dietary cholesterol warning to disagree with it; she presents them as one of her two premises, for why making more than moderate dietary changes may be needed. This answer makes it sound like this argument was a Rebuttal, which it was not. The use of "But" isn't disagreement with a point of view. The author isn't saying, "No, cholesterol levels can't be reduced through dietary changes". She accepts the first sentence, and the "but" is communicating that thing she's about to discuss (moderate diet) can't achieve the thing just talked about. for example: Sally asked Bill to dunk the ball. But the hoop is 10 ft tall and Bill is only 5 ft tall.

  2. Bad Conclusion Match1% picked this

    It is a premise offered in support of the claim that vegetarian diets are more healthful than

    This correctly identifies our claim as a Premise, but incorrectly claims that the Conclusion was "veggie diets are more healthful than meat diets", when the Conclusion was actually "One may need to make more-than-moderate dietary changes, such as veggie diet".

  3. Correct78% picked this

    It is a premise offered in support of the claim that reducing cholesterol levels may require greater

    Why this is right

    This correctly identifies our claim as a Premise, and the adequately captures the Conclusion. The conclusion (the 3rd sentence) doesn't say "reducing cholesterol levels" but that's the context for why the author is saying "one may need to make more dramatic changes". And the conclusion doesn't say "moderate" but that's what "more dramatic" is being compared to.

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

  4. Wrong Role1% picked this

    It is offered as an explanation of the success of vegetarian diets in

    The 2nd sentence doesn't say anything about vegetarian diets. That sentence certainly doesn't explain why vegetarian diets are successful. Why are vegetarian diets in reducing cholesterol changes? I can explain why. It's because ... "moderate dietary changes often don't work to reduce cholesterol. That doesn't make any sense. Also, remember, the author is not specifically trying to sell us on vegetarian diets. They are brought up simply as one example of "more dramatic" dietary change someone might make.

  5. Backwards Relationship8% picked this

    It is a conclusion for which the claim that dramatic changes in one’s diet are sometimes required to reduce cholesterol

    This claim is a Premise, and it is offered in support for the claim that "dramatic dietary changes are sometimes required".

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