Logical ReasoningDifficulty: Easy

PT119 S2 Q25 Explanation

Studies have shown that specialty

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

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Stimulus

Studies have shown that specialty sports foods contain exactly the same nutrients in the same quantities as do common foods from the grocery store. Moreover, sports foods cost from two to three times more than regular foods. So were it not for expensive advertising campaigns.

What this question is testing

Weaken

Your task

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

Common trap

Answers that look negative but attack a claim the argument never relied on.

Winning move

Find the assumption the argument depends on, then pick the choice that undermines 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
25.

Which one of the following, if true, most weakens

Answer choices

  1. Weaker Impact2% picked this

    Sports foods are occasionally used by

    This suggests athletes might buy sports foods because world-famous athletes use them, but it’s a weak reason, as the author could argue that the famous athletes are also influenced by ad campaigns.

  2. No Impact3% picked this

    Many grocery stores carry sports foods alongside

    This points out that grocery stores carry sports foods alongside regular foods but doesn't provide a strong reason for choosing sports foods over regular foods, thus not challenging the ad campaign influence.

  3. Correct88% picked this

    Sports foods are easier than regular foods to carry and consume during

    Why this is right

    This states that sports foods are easier to carry and consume than regular foods. This provides a practical benefit that could attract athletes to sports foods independently of ad campaigns, thereby offering a strong alternate explanation for their purchase, which weakens the conclusion.

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

  4. Strengthens3% picked this

    Regular foods contain vitamins and minerals that are essential to developing

    This discusses the nutrients in regular foods, echoing the existing argument about nutrient equivalency and supporting the conclusion that ad campaigns are needed to justify the cost difference.

  5. No Impact3% picked this

    Sports foods can nutritionally substitute for

    This sounds like a good thing about sports foods, but we already knew this good thing. We were told they have the same type/quantity of nutrients as other foods, which implies that it could nutritionally substitute for meals. But since they are more expensive than other foods, why WOULD you go with sports foods as your nutritional substitute? This answer doesn't provide any reason why we'd pay more to eat these.

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