The two main features of an experiment are ____

a. ?hypothesis formation and data collection
b. ?random assignment and control
c. ?prediction and manipulation
d. ?data collection and statistical analysis

ANSWER:
b

Psychology

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Rex describes a period of the lifespan as "the time when primitive organ systems mature and become functional." The period he is describing would correctly be identified as:

a. the germinal period b. the fetal period c. the embryonic period d. the viability period

Psychology

Psychoanalysis made a major contribution to modern therapies by highlighting the importance of

a. objectivity in one's perceptions. b. unconscious conflicts. c. the self-concept. d. maladaptive thinking.

Psychology