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Exam LSAT Section 1 Logical Reasoning All Questions

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Exam LSAT Section 1 Logical Reasoning topic 1 question 339 discussion

Actual exam question from Test Prep's LSAT Section 1 Logical Reasoning
Question #: 339
Topic #: 1
[All LSAT Section 1 Logical Reasoning Questions]

Marmosets are the only primates other than humans known to display a preference for using one hand rather than the other. Significantly more marmosets are left-handed than are right-handed. Since infant marmosets engage in much imitative behavior, researchers hypothesize that it is by imitation that infant marmosets learn which hand to use, so that offspring reared by left-handed parents generally share their parents' handedness.
Which one of the following, if true, most supports the researchers' hypothesis?

  • A. A study conducted on adult marmosets revealed that many were right-handed.
  • B. Right-handed marmosets virtually all have at least one sibling who is left-handed.
  • C. According to the study, 33 percent of marmosets are ambidextrous, showing equal facility using either their left hand or their right hand.
  • D. Ninety percent of humans are right-handed, but those who are left-handed are likely to have at least nne left-handed narent.
  • E. renders the cause-and-effect much more likely.
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Suggested Answer: E 🗳️
The hypothesis that the marmosets pick up their handedness by imitation hinges on the assumption of a causal link between the infants handedness and the handedness of the adults allegedly being imitated.
by [deleted] at March 9, 2025, 1:44 p.m.

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