Douglas Kleiber argues that the value of leisure for development lies in the particular experiences derived from those leisure activities. Experiences that fulfill a need for autonomy, competence, self-expression, and relatedness; that provide a dialectical response to one's prevailing patterns of living; or that address age-related tasks are generative of development and self-actualization. Kleiber reviews the predictable changes in leisure behavior over the life span, noting that activities stimulating developmental change are adopted less often and less effectively than they might be. He...

An exploration of human adolescence, unique due to its ethological perspective. Psychologist Glenn Weisfeld presents a comprehensive treatment of adolescent development from a functional, evolutionary point of view, providing a research-based description of human adolescence. He also offers a comparative perspective, describing adolescence in other species, human cultures, and historical periods.