Which of the following is a valid criticism of efficacy studies of psychotherapy treatments?

A. They show artificially inflated results for mental illnesses of greater severity.
B. They focus on disorder-specific treatments and processes, rather than looking at common themes across different disorders.
C. They are only useful in a correlational design; that is, they cannot show cause-and-effect relationships.
D. They take many years to conduct and require large numbers of participants.


Answer: B

Psychology

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