To reach responsible independence, young people must become invested in setting their life course. A rich history of research and practice shows that democratic group climates foster autonomy and prosocial behavior. This article explores principles and practices for creating positive peer cultures to develop strengths and help youth meet their…

Is human ontogenesis a product of evolution or a result of individual decisions and actions? In the present paper we aim at solving this apparent conflict between a behavioral genetics approach and an action-theoretical perspective to human development. After a discussion of the idea of active and intentional self-development and the role of genes…

Gilbert Gottlieb's theory of probabilistic epigenesis replaced the nature-nurture dichotomy, and similar oppositions, with an integrated account of the development of the entire behavioral phenotype. In that theory, invariant developmental outcomes cannot be identified with an organism's 'nature,' if by that term is meant a set of predetermined…

The evaluation of a behavior and development training program that was integrated into a general pediatric training residency at Duke is reported. Results suggest that residents perceive a high relevance for psychosocial concepts and an increasing competence with these concepts after training. (Author/MLW)