Which of the following is TRUE?
a. Boys mature slightly earlier than their female counterparts.
b. The age of first menstruation is later today than it was a century ago.
c. Today, the average age for first menstruation is about 12 years.
d. Only boys experience a growth spurt.
C
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Which theory proposes that successful aging occurs when people maintain the interests, activities, and social interactions with which they were involved during middle age?
A. disengagement theory B. activity theory C. continuity theory D. compensational theory
According to a number of animal studies, under which condition is the probability of violent behavior greatest?
a. low acetylcholine turnover b. high acetylcholine turnover c. low serotonin turnover d. high serotonin turnover
Humans live in deserts, jungles, mountains, frenzied cities, placid retreats, and space stations, which illustrates how our mental abilities have helped us to be more
a. practical. b. future-oriented. c. communal. d. adaptable.
You volunteer to participate in a research experiment. You participate in a variety of test procedures and interviews. Later, however, you learn that another group of participants had an experimental treatment that you and members of your group did not have. This is because you
a. were disqualified. c. were in the control group. b. failed earlier tests. d. were in the treatment group.