Random assignment to groups should create equal groups for studies with at least how many
participants per group?
A) 50 B) 10 C) 20 D) 5
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In Freud's system, personality development is built on the ____
a. ?psychosexual stages b. adequacy of the defense mechanisms c. ?efficacy of the ego d. ?reality principle e. ?resolution of the phallic stage
Rebecca came home and discovered her pet hamsters copulating. What part of both hamsters' brains was likely active at that time?
A. medial preoptic area B. sexually dimorphic nucleus C. ventromedial hypothalamus D. paraventricular nucleus
Golgi tendon organs respond to muscle stretch, while muscle spindles inhibit muscle contractions.
Answer the following statement true (T) or false (F)
Which of the following statements about gender differences in negative life changes is true?
A) In very old age, negative life changes are greater for men than for women. B) Social relations, even in very old age, are more often a source of stress for men than for women. C) Women of advanced age tend to report a lower sense of psychological well-being than do men. D) Men of advanced age tend to report a lower sense of psychological well-being than do women.