A boy's first ejaculation, spermarche, usually occurs around age __________, more than a year after the body begins producing sperm.
a. 12
b. 13
c. 14
d. 15
13
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Research suggests that the cohesion-performance relationship is:
a. unidirectional: increases in cohesion cause improvements in performance. b. unidirectional: improvements in performance cause increases in cohesion. c. bidirection: increases in cohesion cause increases in performance, and improved performance increases cohesion d. unstable: the performance of a group cannot be predicted from its level of cohesion.
Every night Donna asks Larry how his day went. She figures he must hate his job because he does nothing but complain about terrible things that happened during the day. When she attends an office party with him, Donna is surprised to find that Larry's coworkers are pleasant and fun and that Larry seems to enjoy what he does. The fact that Larry remembers the negative aspects of his job more than the positive ones is an example of:
A. framing B. the representativeness heuristic C. the availability heuristic D. brainstorming
Shakira, who is running for a local city council position, sent pens with her name on them to prospective voters. She is hoping the voters will be influenced by
a. bribery. c. the religiosity principle. b. the scarcity principle. d. the reciprocity principle.
The first stage of labor is characterized by
a. contractions and cervical dilation. b. continued descent of the baby into the birth canal. c. expulsion of the placenta. d. birth of the baby.