A procedure used to control both the placebo effect and the experimenter effect in drug experiments is the . . . . . . . .
A. Correlation method
B. Extraneous prophecy
C. Double blind technique
D. Random assignment of subjects
Answer: Option C
Related Questions on Methods in Psychology
A. Psychoanalysis
B. Guidance and counselling
C. Psychotherapies
D. All of the above
A. Placebo effect
B. Environmental effect
C. Experimenter effect
D. None of these
A. 1, 2 and 3
B. 1 and 2
C. 2 and 3
D. Only 1
A. Environmental variables
B. Organismic variables
C. Sequential variables
D. All of the above
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