Logical Reasoning

PT1 · S4 · Q12 A recent study found that snoring

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

  • Save & drill this skill — build targeted practice sets from questions like this one

  • Video walkthroughs — watch every question solved step by step

  • 81 official LSATs — as questions, timed sections & full-length tests

Start practicing free

A recent study found that snoring, though not common in either group, is more common among smokers than among nonsmokers.

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.

12.

Which one of the following, if true, casts the most doubt on the author’s hypothesis?

  1. Correct

    Stress induces both snoring and

    Why this is right

    Answer A is correct.

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

    68% picked this

  2. Obesity induces many individuals to

    Trap

    3% picked this

  3. Most snorers do not smoke.

    Trap

    8% picked this

  4. Most smokers do not snore.

    Trap

    20% picked this

  5. Both smoking and snoring cause

    Trap

    1% picked this

Continue the review in LSAT Lab

Save this question, watch the video walkthrough, and drill similar questions in your LSAT Lab account.

Save and practice this skill
LSAT Lab

Turn this review into a targeted study plan.

Save this question, drill more like it, watch the video walkthrough, and track your progress in your LSAT Lab account.

Start practicing free