Logical ReasoningDifficulty: Easy

PT111 S4 Q8 Explanation

It is widely believed that

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

It is widely believed that by age 80, perception and memory are each significantly reduced from their functioning levels at age 30. However, a recent study showed no difference in the abilities of 80-year-olds and 30-year-olds to play a card game devised to test perception memory are significantly reduced by age 80 is false.

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
8.

The reasoning above is most vulnerable to criticism on the grounds that it fails to consider

Answer choices

  1. Trap7% picked this

    the study’s card game does not test cognitive abilities other than

  2. Trap1% picked this

    card games are among the most difficult cognitive tasks one can

  3. Trap1% picked this

    perception and memory are interrelated in ways of which we are

  4. Trap2% picked this

    the belief that 80-year-olds’ perception and memory are reduced results from prejudice

  5. Correct90% picked this

    playing the study’s card game perfectly requires fairly low levels of

    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