Which of the following is the most difficult to accomplish?
a. Cluster sampling
b. Stratified random sampling
c. Simple random sampling
d. Convenience sampling
Ans: C
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According to the social-cognitive perspective, aggressive skills are mainly acquired by:
A) repressed impulses stored in the unconscious recesses of the mind. B) suspension of negative punishment on aggressive stimuli. C) instinctive reaction to the frustrations of daily life. D) observation of other people acting aggressively.
The purpose of randomization or random assignment is to
a. eliminate participants who are too indecisive. b. make the experiment impressively complicated. c. prevent psychics from distorting the results through paranormal influences. d. control confounding variables by equalizing the experimental conditions.
If a scale has equal intervals between values, a single underlying quantitative dimension, and an absolute zero, then it is a(n) ____ scale of measurement
a. ordinal. b. nominal. c. ratio. d. interval.
Ecology of the psychological experiment is concerned with the interactions among:
a. scientist, participant, and situation b. scientist, participant, and witness c. context, culture, and environment d. two or more independent variables