Sometimes in a drug study, the experimental group given the actual drug and the control group given the inactive substance both initially show improvement. This is due to
a. the Barnum effect.
b. the placebo effect.
c. a biased sample.
d. a random assignment of subjects.
ANSWER: b
You might also like to view...
Sandi is diagnosed as having two conditions: migraine headaches and hypertension. A mental health professional should consider her as suffering from ____
a. a psychophysiological disorder (migraine) and a physical condition (hypertension) b. two physical conditions that normally have little to do with psychological factors c. a psychophysiological disorder (hypertension) and a conversion disorder (migraine) d. two psychophysiological disorders
Claire extends her left calf muscle then relaxes it, concentrating on the tension leaving the muscle as she does so. Claire then tenses and relaxes her left quadriceps, again noting the flow of tension from the area. Claire is engaged in ______.
A. systematic desensitization B. mindfulness C. biofeedback D. progressive muscle relaxation