Logical ReasoningDifficulty: Easy

PT127 S3 Q3 Explanation

Mariah: Joanna has argued

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

TopicsPrinciple-Strengthen

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Stimulus

Mariah: Joanna has argued that Adam should not judge the essay contest because several of his classmates have entered the contest. However, the essays are not identified by author to the judge and, moreover, none of Adam's friends are classmates of his. Still, Adam has with Joanna that Adam should not judge the contest.

What this question is testing

Principle-Strengthen

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
3.

Which one of the following principles, if valid, most helps to justify

Answer choices

  1. Weaken7% picked this

    A suspicion of bias is insufficient grounds on which to disqualify someone from

    This makes it less likely that Adam should not judge the contest.

  2. Correct86% picked this

    Expertise should be the primary prerequisite for serving as a

    Why this is right

    This bridges the gap between J → E judging an essay contest and having experience.

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

  3. Weaken1% picked this

    The ability of a judge to make objective decisions is more important than that

    This weakens Mariah’s argument because her argument rests on the premise that Adam has no experience in critiquing essays.

  4. Weaken1% picked this

    In selecting a contest judge, fairness concerns should override concern for

    This weakens Mariah’s argument because her argument rests on the premise that Adam has no experience in critiquing essays.

  5. Wrong Trigger5% picked this

    A contest judge, no matter how well qualified, cannot judge properly if the possibility

    This connects the possibility of bias B → ~J with not serving as a contest judge. But this relies on different evidence than Mariah’s.

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