Bronfenbrenner's (1979) ecological model proposes that events in higher order social ecosystems should influence human development through their impact on events in lower order social ecosystems. This proposition was tested with respect to ecological violence and the development of children's aggression via analyses of 3 waves of data (1 wave…

This project hoped to specify the role of early, mother-infant separation in determining later maternal behavior. Clinically, the results suggest that such a separation should be avoided whenever possible and should be minimized when separation is unavoidable. (Authors)

Major Purpose of the study was to investigate the extent to which aggressive retaliation in boys at three age levels is influenced by two dimensions of hypothetical provocation: accidental versus intentional and verbal versus physical. (Authors/CB)

Mothers of 232 pairs of twins were interviewed periodically about the similarities and differences in behavior displayed by their twins during infancy and early childhood. (Authors)

Relevance of cognitive and developmental variables to observational learning and imitation is also discussed. (Authors/MB)

It was found that there was a stronger negative correlation between honesty scores and cheating incidents among older children than younger. (Author)

Findings support the hypothesis that lateral preference, per se, has little effect on information-processing behaviors. (Authors)