The current study focused on three aspects of identity development relevant to the adolescent years: being an authentic person, perceiving control over and consistency in one's environment, and having consistent expectations from close others. In a two-wave study of adolescents (n = 750), we examined how these aspects change over the course of a…

We examined change and stability of the 3 personality types identified by Block and Block (1980) and studied their links with adjustment and relationships. We used data from a 5-wave study of 923 early-to-middle and 390 middle-to-late adolescents, thereby covering the ages of 12-20 years. In Study 1, systematic evidence for personality change was…

This article reports on a study that examined the subset of qualitative cases in the Wabash National Study of Liberal Arts Education where students experienced substantial self-authorship shifts over the first three college years (N = 30 students, 90 narratives). Engagement in experiences and roles demanding more sophisticated, internal meaning…

This study was designed to investigate aspects of childhood social functioning in early interaction and socialization patterns of normal families. Sixteen families with a child between 1 and 3 years of age, and a second child born when the study began, were observed over a 2-year period. Intelligence tests were administered to both children when…

This longitudinal study examined consistency and change in human personality. Rather than studying the consistency of individual differences over time, an approach which considers only the stability of a variable at the group level and ignores differences in stability at an individual level, this study used a person-centered approach to study…

Early personality and environmental characteristics that predict later problematic aggression and depression in children were investigated longitudinally. A developmental psychopathology approach was taken. (This approach assumes that patterns of adaptation and maladaptation in development can best be understood when explored simultaneously and…