Synthesizes literature on social comparison in young children. Findings center on (1) children's motivations to engage in social comparison; (2) peer targets; (3) age when social comparison appears; (4) developmental sequences; (5) effects upon subsequent behavior; and (6) sex-related differences. Suggests pratical implications for teaching.…

Adolescent determination of behavior can be viewed as the result of perceived locus of control. To investigate adolescent perceptions of control in terms of age, loci of control (internal or external), situations (community and home), and direction of control (from or over the environment), 909 adolescents (345 males, 564 females), aged 11-19,…

For the individual, gender difference falls along the feminine-masculine continuum with strong neurodevelopmental influences at various points throughout the lifespan. Neurodevelopmental influences are conceptualized in a vector model of sex difference. Vector attributes, direction and magnitude, are influenced initially by differences in levels…