Assessed Type A behavior pattern for 122 teenagers who had heart rate measured during rest and presentation of mental arithmetic stressor under timed and competitive conditions. Examined whether sex, age, task performance, and behavior pattern predicted heart rate reactivitiy. Found no significant main effects for behavior pattern, sex, or age;…

As the adolescent matures, drinking situations occur outside of the home with friends. This period is characterized by drinking habits, patterns, and attitudes which are different from those of the parent population; the peer group and situational factors are significant influences on drinking behavior during this phase. (Author)

Research suggests that primary control increases as humans develop from infancy through middle age and then decreases in old age. To minimize losses, individuals rely on cognitively based secondary control processes in middle and old age. Literature on adult control processes is reviewed. (SLD)