This study examines whether feeding infants formula supplemented with long-chain polyunsaturated fatty acids (LCPUFA) improves cognitive function of 9-month-olds. Participants included 229 infants from 3 randomized controlled trials. Children received either formula supplemented with docosahexaenoic acid and arachidonic acid, or a control formula…

Human children 18-24 months of age and 3 young chimpanzees interacted in 4 cooperative activities with a human adult partner. The human children successfully participated in cooperative problem-solving activities and social games, whereas the chimpanzees were uninterested in the social games. As an experimental manipulation, in each task the adult…

Investigated the relation between stressful life events and behavioral and academic adjustment in 361 third and fifth grade students. Higher levels of social support and problem solving skills moderated negative effects of stressful events on teacher-rated behavior problems. (RJC)

Examines the dynamics involved when preschoolers aged five years attempt to build replicas of Lego models, either by working alone or with another. Results show that collaboration was more conducive to learning than was independent work and that children were able to generalize their skills. (Author/RWB)

Investigated the contributions of stressful life events and resources to the prediction of changes in children's adjustment. Resources and stressful life events showed some correlation with adjustment after two years. Increases in social support and social problem-solving skills over time were significantly related to improvement in behavioral and…

Effective family problem solving was studied in 97 families of elementary-school-aged children with definite- and indefinite-solution tasks. Incentive and task independence were manipulated. It was found that definitions of effective problem solving based on directly observed measures of group interaction were more valid than definitions based on…