In what type of research are groups not formed by random assignment?

A. true experiments
B. posttest-only control group designs
C. quasi-experiments
D. within-participants design


Answer: C

Psychology

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A major concern about projective tests is that they ____

a. are overly structured b. demonstrate low reliability and validity c. are too cumbersome to administer d. are too expensive to include in most psychological assessments

Psychology

By today's standards, Milgram's study on obedience is considered unethical because:

A) participants were exposed to shocks that were painful and possibly harmful. B) participants were physically forced to continue with the experiment. C) deception resulted in an increased risk of psychological stress. D) it is never permissible to deceive participants.

Psychology

The most common score in a frequency distribution is called

a. Mean b. Mode c. Median d. Standard deviation

Psychology

Which theory of motivation pays least attention to individual differences in behavior?

A. Arousal theory B. Instinct doctrine C. Incentive theory D. Drive reduction theory

Psychology