PrepTest 126

[lcid:3602] Prep Test 126 LSAT — Logical Reasoning — S3 Logical reasoning

Question prompt

Essayist: Computers have the Remaining source text redacted.
Why the credited answer is right

Credited answer: C

The notes below walk through why it fits the stem and how to eliminate the rest.

Argument or Facts

Argument

Valid or Flawed

Flawed

Question Type

Flawed Parallel Reasoning Questions

Stimulus Summary

Computers can do something that the human brain can, so the human brain is a computer.

Answer Anticipation

This argument uses a similarity between the function of two things to conclude that one of those things is another. The correct answer should make a similar jump.

Answer choices

  1. A
    Often individual animals sacrifice Remaining source text redacted.
    Why choice A is not credited
    This answer uses a similarity between animals to conclude that something has a biological basis, not that one of the types of animals is one of the other types.
  2. B
    In the plastic arts, Remaining source text redacted.
    Why choice B is not credited
    This argument compares poetry and the plastic arts, but it doesn’t conclude that one of them is the other, so it’s not parallel to the stimulus.
  3. C
    In any organism, the Remaining source text redacted.
    Why choice C matches the stem
    This argument uses the fact that organisms and communities are similar in one way to conclude that communities are organisms. That’s the same jump as in the stimulus, so this is the correct answer.
  4. D
    Some vitamins require the Remaining source text redacted.
    Why choice D is not credited
    This answer always talks about how vitamins and minerals interact, not categories with a similar feature, so it doesn’t match up with the stimulus.
  5. E
    Friendship often involves obligations Remaining source text redacted.
    Why choice E is not credited
    This answer starts off promising by comparing friendship to other types of cooperation, but it doesn’t conclude that one of these comparable things is the other, so it’s not the answer.

What this tests

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