Identity is a major developmental task for adolescents, and the development of ethnic identity is a unique and significant developmental task for many adolescents. This article reviews theoretical and empirical literature that informs our understanding of the development of a positive ethnic identity, and the consequences for adolescent mental…

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…

The relationship between performance on various Piagetian and reading achievement tasks as examined through 26 correlational studies is reviewed. The following areas of concern are addressed: (1) sample characteristics of the subjects; (2) classification of the Piagetian tasks into five categories of logical operations, spatial concepts, general…