Many researchers have used the standard Iowa Gambling Task (IGT) to assess decision-making in adolescence given increased risk-taking during this developmental period. Most studies are cross-sectional and do not observe behavioral trajectories over time, limiting interpretation. This longitudinal study investigated healthy adolescents' and young…

The authors investigated the degree to which parents become more similar to each other over time in their childrearing behaviors. Mothers and fathers of 451 adolescents were assessed at 3 points in time, with 2-year lags between each assessment. Data on parent warmth, harshness, and monitoring were collected by parent self-report, adolescent…

Review of the factor matrix indicated that Piagetian reasoning tasks involve abilities separate from those measured by standard tests of intelligence and achievement. (Authors)