MCAT Behavioral Sciences Question 238: Answer and Explanation

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Question: 238

1. Based on the results of this study, what can be most reasonably concluded about the efficacy of CBT for IBS sufferers who do not have an anxiety disorder?

  • A. CBT is more effective than no treatment and more effective than meditation.
  • B. CBT and meditation combined provide the most effective treatment possible.
  • C. CBT is not as effective as meditation.
  • D. CBT is equally effective for IBS sufferers with and without anxiety disorders.

Correct Answer: C

Explanation:

According to Figure 1, CBT appears to be far less effective than meditation at reducing IBS symptoms for participants without an anxiety disorder (choice C is correct and choice A is wrong). It is also far less effective for participants without an anxiety disorder than it is for participants with an anxiety disorder (choice D is wrong). CBT and meditation were not tested in combination (choice B can be eliminated).

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