In this paper, we review findings from Project Competence on the nature of personality development from middle childhood through the early adult years and place these findings in the context of current research on temperament and personality traits. In a series of studies using data drawn from the Project Competence longitudinal project, we have…

Adult development theorists believe that the changes that occur during the adult years are predictable and age linked. Their theories explain how change is resolved by the majority of the adult population. Three persons whose research has been influential in the field of adult development during the 1970s are Erik Erikson, Daniel Levinson, and…

This volume, a report of a National Institute of Mental Health Conference, presents a synopsis of the informal presentations and discussions along with a summary narrative and quotations from each of the three sessions. The first section of the book deals with adolescent personality, socioemotional, biological, and cognitive development. The…