What term did Erik Erikson use to describe a period during which individuals grapple with the options available and ultimately make a choice and commitment as to which path their lives will take?

Approximately __________ adults in the United States suffer from chronic insomnia

a) 1 in 10 b) 1 in 20 c) 1 in 5 d) 1 in 3

Research on aggressiveness has shown that:

a. male aggression is more likely within cultures based on agriculture. b. men who depend on herding for survival tend to foster cooperative strategies. c. male aggression results more from cultural factors than biological ones. d. men develop a culture of honor when their livelihoods are based on agriculture.