Which of the following treatments has been shown to be more effective than either medication or supportive psychotherapy in treating posttraumatic stress disorder?

Women are most likely to overestimate the negative impact of the menstrual cycle on their mood because:

a. men typically underestimate women's menstrual discomfort. b. premenstrual distress heightens one's sense of gender identity. c. evidence that confirms one's preconceptions is easily remembered. d. PMS is a socially acceptable excuse for substandard work performance.

Which of the following contributes to the superiority of Chinese over U.S. children's math knowledge?

A) Chinese parents provide their preschoolers with extensive practice in counting and adding. B) Chinese schools emphasize drill in computational skills more than U.S. schools. C) In Chinese classrooms, much less time is spent on underlying math concepts than in U.S. classrooms. D) Compared to U.S. schools, multidigit problems are introduced later in Chinese schools, when children are more cognitively sophisticated.