Several writers have suggested that changes in temporal perspective during adolescence are largely a consequence of the cognitive acquisitions held to characterize the period (i.e., emergence of formal operations reasoning). To replicate earlier research, which found little association between adolescents' formal operations reasoning and future…

This study compared articulatory movements of 30 adolescents (12-16 years) and 30 young adults. Trajectory variability, especially lip trajectories, was higher for the adolescents. Adolescents also had significantly longer movement durations, lower velocities, smaller displacements, and greater variability on these measures than young adults. No…

The importance of family life on the development of the child has been well documented. In Africa, however, little research has been undertaken to assess the influence that family life and marital status of parents have on child development. It was hypothesized that African adolescents from broken homes would experience: (1) less involvement in…

Surveys 278 British high school students concerning musical styles preferences. Generally speaking, students rejected classical and "serious" music as they grew older. Girls exhibited acceptance of a wider range of musical styles. Includes statistical tables. (MJP)

A longitudinal study of early adolescents examined gender differences in attitude and behavior, as well as the effects of pubertal change, parental expectations, and parental support. It was hypothesized that sex differences would emerge during preadolescence and that males' and females' rates of change would be significantly different. Subjects…

Considers the problems inherent in researching changes in social values and individual perspectives among selected age groups. Asserts that studies aimed at researching both aspects need to be organized as longitudinal studies. Utilizes data taken from a study of East and West Berlin adolescents to reveal specific research problems. (MJP)