It is true that personal differences among subjects might influence the outcome of an experiment. These can be controlled by . . . . . . . .
A. Extraneous variable
B. Random sampling
C. Random assignment
D. All of the above
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
Join The Discussion