In order to gain a complete understanding of adolescent development, it is vital that researchers be aware of issues and differences across societies. This idea reflects the

Which of the following is true of the impact of testosterone on aggressive behavior in males?

a. Prenatal androgenization decreases aggressiveness in primates. b. Androgens have organizational effects after puberty. c. Castration of sex-offenders may reduce aggressive sexual attacks. d. Testosterone exerts effects on muscles before puberty. e. Physical castration does not alter aggression.

Exercise programs for the obese have proven to be relatively ineffective in promoting weight loss. This surprising result is likely attributable to the fact that

A) the majority of the body's calorie expenditure is dedicated to maintaining the physiological processes of the body rather than fueling behavior. B) after exercising many people consume extra drinks and food that offset their calorie loss. C) obese people do not burn as many calories when they do the same exercise as normal-weight people. D) both A and B E) both B and C