Logical ReasoningDifficulty: Easy

PT139 S1 Q1 Explanation

Police chief: This department's

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

TopicsParadox

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Stimulus

Police chief: This department's officers are, of course, prohibited from drinking on the job. However, there is one exception: it is extremely valuable for officers to work undercover to investigate nightclubs that have drink in moderation during such work.

What this question is testing

Paradox

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
1.

Which one of the following, if true, most helps to justify the exception to the police department's

Answer choices

  1. Unclear Impact2% picked this

    Only very experienced police officers are allowed to work undercover

    This provides a distinction about undercover work in nightclubs -- it's going to be a very experienced cop. Okay, does that explain why we let them drink? Is there a common sense connection like, "If you're a very experienced cop, you're allowed to drink in moderation?" No, even very experienced cops should presumably be as sober as possible.

  2. Correct93% picked this

    Many nightclub patrons would suspect that people in a nightclub who refrained from drinking

    Why this is right

    This explains why undercover cops are allowed to drink in the nightclub. They don't want to blow their cover by being the only square who isn't drinking. Other patrons at the nightclub would be like, "Hey, Eddie, why are you drinking water? What are you, some sort of Narc?"

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

  3. No Impact1% picked this

    Over the last several years, the police department has significantly increased its undercover

    For this to work, we'd have to think "because the police department has invested a bunch in undercover nightclub operations, they let the undercover cops do a little drinking on the job". There's no common sense connection there.

  4. Too Weak / No Distinction4% picked this

    Most police officers believe that allowing officers to drink during undercover work in nightclubs does

    This helps somewhat, because it makes us see why letting undercover cops drink a little bit on the job probably isn't too bad. Most cops don't think it'll cause significant problems. But that leaves plenty of room for most cops to think it still causes some tiny problems. And it leaves room for up to 49% of cops to think that drinking on the job causes significant problems. So it's not a super powerful endorsement. But more importantly, it has nothing to do with "justifying the exception". We're tasked with solving why undercover work at nightclubs is different from the usual prohibition of drinking on the job. This answer doesn't say, "Unlike for other settings, when it comes to nightclubs, most cops don't think drinking on the job would cause significant problems". So this answer does nothing to explain why we treat nightclub drinking differently from other on-the-job drinking.

  5. No Impact0% picked this

    For the most part, the public is aware that police officers are allowed to drink during

    Whether the public is aware or not aware that undercover cops can drink at the club, doesn't explain why cops are allowed to drink at the club.

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