A Placebo Is a Commonly Used Control in Drug Studies

question 17

Multiple Choice

A placebo is a commonly used control in drug studies. It is also important to use as a control in clinical research on psychotherapies because:

• A) people can show spontaneous remission in psychotherapy studies just as they can in drug studies.
• B) researchers can examine unwanted side effects of psychotherapies just as they examine such side effects in drug studies.
• C) researchers can prevent study participants from showing a negative reaction to a treatment that is actually ineffective.
• D) it controls for the expectation that a psychotherapy procedure will produce improvement just as with receiving a drug.

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