Reviews studies of children's and adolescents' understanding of peace and war. Maintains that findings are influenced by measurement procedures and design and by a number of variables. Notes that recent studies suggest a relationship between understanding of interpersonal relationships and understanding of peace. Other variables such as social…

Twelve studies examined implications of age-related changes in movement between 6 weeks and 52 years for various psychological domains. Findings indicate an inverted U-shaped pattern in limb movements per hour that peaked in middle childhood, later than expected. This pattern in motor activity has relevance for development, and for ADHD,…

Presents a typology outlining five psychological risk states that may be experienced by adolescent drivers. Identifies the habitually cautious driving and active risk avoidance states as desirable from a traffic safety viewpoint. Identifies reduced risk perception, acceptance of risk at a cost, and risk seeking states as undesirable. Examines…

Reviewed theoretical claims of identity status model and empirical studies on identity development in adolescence/young adulthood. Found support for assumption of a progressive direction in identity development. Examined data from longitudinal study of identity development and psychological well-being in Dutch adolescents; found that stability of…