MCAT Behavioral Sciences Question 16: Answer and Explanation

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Test Information

Question: 16

1. A weight lifter is just able to tell the difference between 100 and 125 pounds. According to Weber's law, the lifter would notice a difference between:

  • A. 125 and 150 pounds.
  • B. 5 and 6 pounds.
  • C. 25 and 35 pounds.
  • D. 225 and 275 pounds.

Correct Answer: C

Explanation:

Weber's law posits that thresholds are proportional. Going from 100 to 125 pounds is a 25 percent increase. Choice (C) is a 40 percent increase while all the rest are all under 25 percent.

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