In the fifth and sixth years of life, the ability of girls to identify primary colors by name is greater than that of boys. Children in the sixth year who attend school outperform those who have not been to school, and girls of this age who have not been to school name colors as well as boys who attend school. (Authors)

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

Results appear to indicate that the belief systems of the young child about the attributes of a stimulus person can be altered extensively by introducing characteristics completely unrelated to these attributes into the semantic representation of that person. (Authors)

Results indicate a significant genetic component for activity level in twins rivaling that found for intelligence. (Author)

Results show that continuous stimulation reduced arousal level both behaviorally and physiologically, that this effect occurred quite rapidly, and that it endured relatively unchanged over time. (Author)

The present investigation, conducted within the framework of equity theory, was designed to determine the principles that preschool children use when they are given the opportunity to distribute rewards. (Authors)

The early stimulation program provided for low-birth-weight, disadvantaged infants was shown to be effective in promoting behavioral development. (Authors)

Purpose of the study was to determine whether a name for a toy affects an infant's attentional preference for a toy and whether this process is related to the infant's concept of subject permanence. (Authors)

Development of object identity was studied within the framework of a hiding game that varied the objects themselves instead of their spatial positions. (Authors)

An actometer is a modified self-winding calendar watch which records acceleration and deceleration of movements with a significant component" in the same plane as the face of the watch. Actometers tested in this study were not reliable. (Author/MB)

Author concludes that a Piagetian based paper-and-pencil technique can be successfully used for older subjects rather than the conversation-interview technique used for elementary school children. (MB)

Reviews parent-child interaction studies, the major source of information about the socialization process of the child. Deals fully with observation studies--naturalistic observation and experimentally arranged interaction in the laboratory--but also draws on interview and questionnaire methods for comparison. (WY)