Biology, a living science, is known as a balance and complement among other branches of science. Just like the science of biology, biology as a course also plays a very important role among other courses at all school types and grades. It is thought that the adults of the future should not be deprived of knowledge in the field of biology and…

This article examines the extent to which normative beliefs on acculturation constitute (a) individual resources and risk factors for adolescents facing developmental tasks and (b) institutional norms that define developmental milieus in secondary schools. To what extent do egalitarianism, multiculturalism, assimilationism, and segregationism help…

The purpose of the study is to assess the relationship between timing of adolescent development and risk factors for suicide. Nationally representative data from the Add Health survey were used. The relationship of sociodemographic characteristics, known risk factors, and physical developmental timing and cognitive developmental style to suicide…

This study examined gender differences in trajectories of delinquent behaviors over a 6-year period in adolescence and differential outcomes of these diverse developmental pathways. Participants were 754 children who were part of a longitudinal study of the development of early starting conduct problems. Four trajectory patterns were identified…

The purpose of the current investigation was to examine the associations between a variety of measures of extracurricular participation and indicators of youth development. We use data from the Childhood and Beyond Study, a larger longitudinal study of adolescent development. The sample is primarily White middle-class adolescents in Grades 7…