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…

Tattling, defined as the reporting to a second party of norm violations committed by a third party, is a frequent but little-studied activity among young children. Participant observation and quantitative sampling are used to provide a detailed characterization of tattling in 2 preschools (initial mean age = 4.08 years, N = 40). In these…

Ability to distinguish intention from accident and understanding of unconscious intention were examined in preschool, kindergarten, and third-grade-age children. (Author)

Game-like and test-like methods of divergent thinking assessment were compared with 10-year olds. Effects of method on score correlates were sufficient to allow the possibility that method may be implicated in outcomes of many studies of divergent thinking. (Author)

The present study, based on teachers' ratings of their 4- and 5-year-old students, examined the correspondence between quantity and sophistication of verbal output and the child's production of gross bodily activity and fine manipulative movements. (Authors)

Based on 25 white middle-class infants from 9 to 12 months of age, the earliest manifestation of obedience to appear was a simple disposition to comply with maternal commands and prohibitions, independent of efforts to train or discipline the baby. (Authors/RY)

The relation between maternal presence and infant's vocalization depended upon the infant's state: when the infant was in the active awake state, he vocalized less in the presence of the mother than when alone, thus indicating that the majority of early vocalizations are associated with a non-social situation. (Authors/RY)