Logical ReasoningDifficulty: Hard

PT130 S3 Q12 Explanation

Researcher: A number of studies have suggested

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

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Stimulus

Researcher: A number of studies have suggested that, on average, clients in short-term psychotherapy show similar levels of improvement regardless of the kind of psychotherapy they receive. So any client improvement in short-term psychotherapy must be the result of some aspect or aspects of therapy that are someone who listens and gives attention to the client.

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
12.

Which one of the following, if true, would most weaken the

Answer choices

  1. Correct44% picked this

    The methods by which the studies measured whether clients improved primarily concerned immediate symptom relief and failed to address

    Why this is right

    This is a really tricky correct answer, because it essentially hurts the value of the evidence. Since the studies ignored important kinds of improvement, it isn’t really fair to say that these clients had similar levels of improvement from their psychotherapy. We don’t know if the different types of therapy really provided similar levels of help, because important kinds of improvement weren’t measured. This hits the author’s argument way upstream, suggesting that the data the author is going off of isn’t providing a full, accurate picture.

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

  2. Out of Scope: “long-term psychotherapy”5% picked this

    On average, clients improve more dramatically when they receive long-term psychotherapy, a year or longer in duration, than when

    This argument is only about assessing what benefit short-term therapy has and what aspects of that therapy contribute to that benefit. Long-term therapy is totally outside the boundaries of relevance.

  3. Irrelevant Comparison: “trained / untrained” / Opposite12% picked this

    The studies found that psychotherapy by a trained counselor does not result in any greater improvement, on average, among clients than does

    This comparison is either irrelevant or strengthens the argument. If there’s no difference in improvement based on the talent/skill of the therapist, then it supports the author’s notion that the beneficial part of the therapy is something general and simple like listening to the client.

  4. Unclear or Opposite Impact36% picked this

    The specific techniques and interventions used by therapists practicing different kinds of

    We can’t use this to say, “there aren’t any aspects that are common to all psychotherapies”, because the author has already identified at least one example of one. So learning that these therapies have huge differences (and yet seem to be achieving similar client outcomes) would help the author’s case. It would be pretty implausible for lots of very different techniques to achieve the same level of client improvement. It is more likely that something common to all the therapies would achieve the same level of client improvement.

  5. Irrelevant Comparison: “more-experienced / inexperienced”3% picked this

    More-experienced therapists tend to use a wider range of techniques and interventions in psychotherapy than

    This argument is comparing the effectiveness of different types of therapies, not different types of therapists. We would have no way of relating this fact about different experience levels of therapists and assigning it any relevance to different types of therapies.

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