Interested in the number of hours a day the typical student studies at his university, Paul decides to form several samples of students and interview each sample at a different time during the semester, including during the final exam period

Which requirement for probability sampling plans should Paul be especially concerned that he may be violating?
a. the use of opportunistic samples
b. unbiased sample values
c. stability in sample estimates
d. inadequate sample sizes


c

Psychology

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Regarding the effectiveness of psychotherapy, which of the following statements is FALSE?

a. While the majority of people benefit from therapy, some may deteriorate. b. Meta-analysis is a statistical technique used to average the results across a large number of studies, and this technique has been used to evaluate the effectiveness of therapy. c. The greatest improvements in therapy are typically gained during the last few months of treatment. d. Research supports the overall effectivness of psychotherapy, marital therapy, group therapy, and family therapy. e. The average therapy client achieves greater improvement than the majority of people assigned to untreated control groups.

Psychology

Which of the following impression management strategies does NOT work by creating a favorable impression?

a. ingratiation. c. exemplification. b. intimidation. d. supplication.

Psychology

The ceremonial use of peyote is practiced by __________

a. Native Americans b. Shiite Moslems c. Siberian Inuits d. New Guinea Papuans

Psychology

People who are exposed repeatedly to unpleasant events over which they have no control may develop a passive resignation to the event. This condition is called

a. learned helplessness. b. reaction formation. c. passive aggressiveness. d. avoidance-avoidance.

Psychology