Logical ReasoningDifficulty: Hard

PT105 S4 Q15 Explanation

Ideally, scientific laws should display

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

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Stimulus

Ideally, scientific laws should display the virtues of precision and generality, as do the laws of physics. However, because of the nature of their subject matter, laws of social science often have to use terms that are imprecise: for example, one knows only vaguely what is meant by "republicanism" or "class." As systems are typically the only ones possible for the social sciences.

What this question is testing

Most Supported

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
15.

Which one of the following statements is most strongly supported by the

Answer choices

  1. Correct53% picked this

    All else being equal, a precise, general scientific law is to be preferred over one

    Why this is right

    Wow, a rare breed of correct answer that derives its support from only one claim. This answer is just supported by the very first sentence. Since ideal scientific laws should display precision and generality, we can say "all else being equal, a precise, general scientific law is the best." Something that achieves an ideal is to be preferred over something that does not achieve an ideal.

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

  2. Too Strong3% picked this

    The social sciences would benefit if they redirected their focus to the subject matter of

    There's no wording in this answer that is particularly strong, but the suggestion for social sciences such as Sociology to stop focusing on nebulous things like class and power and start focusing on precise things like covalent bonds or gravity is kind of silly. At that point, Sociology would cease doing sociology and would just be doing chemistry or physics. It's okay that sociology (and other social sciences) aren't ideal. The author can just be descriptively acknowledging that without implying that we should get rid of these less-than-ideal social science fields altogether.

  3. Out of Scope: should6% picked this

    Terms such as "class" should be more precisely formulated by

    The paragraph provides wording that almost seems like counter-support for this. The author is acknowledging the necessarily imprecise subject matter of social scientists: because of the nature of their subject matter, laws of social science often have to use imprecise terms. So this paragraph doesn't support the idea that they should do something impossible.

  4. Out of Scope: should4% picked this

    Social scientists should make an effort to construct more laws that apply

    This is essentially the same answer as (B). The paragraph described how social science was less than ideal because it can't really attain the precision or generality we'd wish for. But the author isn't lamenting this and saying we should change it. She's just describing it. If she were really saying that these are things we should fix about social science, then we'd have to no way to pick between "fix precision" in (C) vs. "fix generality" in (D).

  5. Too Strong: invariably35% picked this

    The laws of social science are invariably not

    Called it! I knew they'd go overboard and say, "See? Social science isn't a real science". Beyond the fact that we shouldn't think "less-than-ideal scientific laws" means the same thing as "not truly scientific", there were quantifiers that in the 2nd and 3rd sentences: often have to be imprecise typically can only be generalized to certain systems So we definitely can't support the idea that social science laws are invariably not scientific.

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