A longitudinal study examined (1) development of relationship between physical maturation rate and cognitive performance as children become adolescent and (2) specific components of cognitive processing linked to physical maturation-related differences in performance on cognitive ability tasks. Differences were detected on cognitive process tasks.…

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,…

Reports on a study of 120 (60 boys, 60 girls) middle school students in Bophuthatswana on the relation of academic achievement to self-concept and locus of control. Finds that measures of extraversion, neuroticism, and psychoticism are related negatively to school achievement. (CFR)

Examines development of the concept of commitment in relation to adolescents' choice of a career and romantic partner. Subjects were 163 male and female ninth graders, twelfth graders, and college juniors from public and private schools. Findings support the proposition that the concept of commitment is affected by grade, gender, and type of…

A common concern raised by teachers from secondary schools and junior colleges in Singapore is the apparent inability or reluctance of adolescents to think critically and originally. Adolescent thought processes are probably shaped by the change in intellectual pace and quality between the primary and secondary school curriculum. This study of…