Twelve papers on the emergence and maintenance of severe clinical depression and depressive symptoms during adolescence are presented. Topics include parental influences, epidemiological data, depressive and negative affect, hormonal effects, preadolescent symptoms, sex differences, longitudinal studies with rhesus monkeys, suicidal ideation,…

The development of the Depression Proneness Rating Scale (DPRS) and three investigations into its reliability, validity, and factor structure are described. Subjects of all three studies were university undergraduates. The first study (n=100) found a stability coefficient of 0.82 for the DPRS over a test-retest (Time 1-Time 2) interval of 9 weeks.…

Six tests were given to the entire sophomore class (120 males, 104 females) at a suburban school north of Boston before and after particiaption in the Project Adventure physical education program, some goals of which were the development of students' self confidence, improved self-concepts, ability to take physical, emotional, and social risks,…

For the second year of Project Adventure, an Outward Bound-type physical education program based at Hamilton-Wenham Regional School north of Boston, a battery of 6 tests was administered to the entire sophomore class (123 males and 108 females) before and after the program. Second year results indicated significant, positive changes in…