Studies of brain development suggest that the increase in risk taking observed during adolescence may be due to insufficient prefrontal executive function compared to a more rapidly developing subcortical motivation system. We examined executive function as assessed by working memory ability in a community sample of youth (n = 387, ages 10 to 12…

The study examined the effectiveness of two psychoeducational treatment approaches and drug therapy on the impulsivity of 120 hyperactive emotionally disturbed children in two age groups (mean ages 13 and 8 years old). The psychoeducational approaches tested were modeling of reflective behavior and a specific instructional procedure to increase…

Examined effects of a self-instruction intervention on the relationship between cognitive level and conceptual tempo among preoperational and concrete operational children. Cognitive level and conceptual tempo were strongly related; preoperational children tended to be classified as impulsive, concrete operational children as reflective.…

This report explores the possibility of constructing a conceptual framework to account for variations in learning styles observed among preschool disadvantaged children. It begins with a review of the literature on preschool intervention programs relating to ways disadvantaged children approach new experiences; gather, organize, and process…