Logical ReasoningDifficulty: Hard

PT139 S4 Q14 Explanation

Every time people get what

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

TopicsParallel Flaw

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Stimulus

Every time people get what they want they feel pleasure. Pleasure is a natural result of getting what one wants. We can conclude desires anything except pleasure.

What this question is testing

Parallel Flaw

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
14.

Which one of the following uses questionable reasoning most similar to that used in

Answer choices

  1. Bad Evidence Match4% picked this

    I sure am enjoying the party even though I was sure I would not, so I guess I

    The evidence doesn't have any premise like "Every instance of Y is accompanied by X", so we won't be able to re-create the same flaw.

  2. Bad Evidence Match2% picked this

    I have never been skiing, but just thinking about it terrifies me, so I guess I must not

    The evidence doesn't have any premise like "Every instance of Y is accompanied by X", so we won't be able to re-create the same flaw.

  3. Correct70% picked this

    Every time I eat pizza I get a stomachache, so I suppose the reason I eat pizza in the first place is so

    Why this is right

    We can match this up. The author is thinking, "Since X always accompanies Y, X must be the goal of Y." Every time I eat pizza, I get a stomachache. Every time I satisfy a desire, I get pleasure. Thus, The reason I eat pizza is to get that stomachache. The reason I desire something is for pleasure.

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

  4. Bad Conclusion Match14% picked this

    Every time I have gone to a party with Julio I have enjoyed myself, so I expect I will enjoy myself if Julio and

    This argument is pretty reasonable, but if we were to name a flaw it would be the assumption that Past = Present. This argument is saying, "Every X has been accompanied by Y. Thus, I expect that a future X will also be accompanied by Y." The original argument didn't say, "Every satisfied desire has been accompanied by pleasure. Thus, I expect that I will feel pleasure if I satisfy a desire tonight." The original argument was saying that "since pleasure accompanies every satisfied desire, it must be that the only thing I desire is pleasure". This argument would have to say, "since enjoyment has accompanied every time that Juilo and I go to a party, it must be that I go to parties with Julio for enjoyment".

  5. Bad Conclusion Match10% picked this

    I never enjoy a soccer game without eating hot dogs, so I guess I would not enjoy going to a basketball game if I

    This conclusion introduces a brand new topic (basketball), creating a Dubious Comparison type flaw. But the original conclusion doesn't introduce any new topic in the conclusion. It just switches from a premise about "X always accompanying Y" to a conclusion about "X always being the goal of Y".

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