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)

In a naturalistic behavioral stdy, it was found that prematures have significantly more endogenous smiling than full-term newborns. (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)

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)

Study investigated the effects of a response-produced intense-noise stimulus (punishment) on the extinction of children's hitting behavior. (Author)

Results indicate that there is no simple relationship between type of observer present and children's aggressive responding following exposure to an aggressive model. (Authors)

The theory of social comparison postulates that the tendency to compare one's performance to others' will decrease as a function of the discrepancy between the quality of one's own performance and that of the comparison person. (Author/MB)

These studies focused on sex differences and were designed to test the hypothesis that girls were more likely to be immobilized by a fear stimulus than boys. (Authors/CB)

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)