Logical ReasoningDifficulty: Easy

PT130 S3 Q9 Explanation

Typically, people who have diets

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

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Stimulus

Typically, people who have diets high in saturated fat have an increased risk of heart disease. Those who replace saturated fat in their diets with unsaturated fat decrease their risk of heart disease. Therefore, people who eat a lot of saturated disease by increasing their intake of unsaturated fat.

What this question is testing

Strengthen

Your task

Find the choice that makes the argument's conclusion more likely to be true.

Common trap

Answers that are consistent with the argument but add no real support, or that strengthen a claim the argument doesn't make.

Winning move

Locate the gap between evidence and conclusion, then pick the choice that closes it.

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

The question
9.

Which one of the following, if assumed, most helps to justify the

Answer choices

  1. Correct81% picked this

    People who add unsaturated fat to their diets will eat less food that is high

    Why this is right

    This presents the argument’s assumption.

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

  2. Out of Scope4% picked this

    Adding unsaturated fat to a diet brings health benefits other than a reduced risk

    Other health benefits are not relevant to the argument.

  3. Supports a Premise13% picked this

    Diet is the most important factor in a person’s risk of

    This supports the argument’s premise, but not the argument’s reasoning, since the premise is assumed to be true in the first place.

  4. Out of Scope1% picked this

    Taking steps to prevent heart disease is one of the most effective ways of

    Life expectancy is not relevant to this argument.

  5. Out of Scope1% picked this

    It is difficult to move from a diet that is high in saturated fat to a diet that

    The difficulty of transitioning from one diet to another is not relevant to the argument. Nor does the argument recommend to move to a diet that includes very little fat. In fact the conclusion advocates to increase one’s consumption of unsaturated fat.

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