Logical ReasoningDifficulty: Easy

PT9 S4 Q5 Explanation

Infants younger than six months

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

TopicsFlaw

Keep going in LSAT Lab

  • 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

Free to start

Full official LSAT questions are available through LawHub. This page provides LSAT Lab's explanation, strategy, and review tools without republishing the full official question.

Stimulus

Infants younger than six months who have normal hearing can readily distinguish between acoustically similar sounds that are used as part of any language—not only those used in the language spoken by the people who raise them. Young adults can readily distinguish between such sounds only in languages that they regularly use. between acoustically similar speech sounds must be the result of the physiological deterioration of hearing.

What this question is testing

Flaw

Your task

Describe the reasoning error the argument actually commits.

Common trap

Answers that name a real logical flaw the argument doesn't actually make.

Winning move

Articulate the gap in the reasoning yourself, then match it to the choice that describes that 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
5.

The reasoning in the argument is flawed because

Answer choices

  1. Trap1% picked this

    sets an arbitrary cutoff point of six months for the age below which infants are able to distinguish

  2. Trap3% picked this

    does not explain the procedures used to measure the abilities of two

  3. Trap1% picked this

    ignores the fact that certain types of speech sounds occur in

  4. Trap1% picked this

    assumes that what is true of a group of people taken collectively is also true of any

  5. Correct94% picked this

    takes a factor that might contribute to an explanation of the observed difference as a sufficient

    Why this is right

    Answer E is correct.

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

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