________ are drugs that produce a biological or psychological dependence in users, leading to increasingly powerful cravings for them

In the United States, adolescents from immigrant families

A) view school success as both their own and their parents' success. B) are more likely than those from native-born families to miss school because of illness. C) report lower self-esteem than those from native-born families. D) are more likely to be obese than their agemates with native-born parents.

Which of the following statements is LEAST accurate?

a. Optimism is associated with relatively good physical health. b. Optimism is associated with action-oriented, problem-focused coping responses. c. Optimism is associated with self-sufficiency and an unwillingness to seek social support. d. Optimism is associated with more effective immune function.