Tests the hypothesis that semantic memory changes with age such that concepts become more strongly associated with their superordinate classes than with their exemplars. The Stroop color-naming technique was employed with 48 children 8 through 12 years of age to measure the degree of semantic activation between concepts in memory. (Author)

Two experiments evaluated predictions derived from a cognitive-developmental approach to delay of gratification. In the first, kindergarten children were asked to make a choice between a small immediate and a large delayed reward. In the second, children were presented with either an objective-rational or a subjective-emotional argument…

It is suggested that altruism is a multidimensional concept and that in the young child its expression may in part reflect differing levels of cognitive development. (Authors)

High and low SES mothers of one- and three-year-old children (N=104) were interviewed. Results showed that low SES mothers believed that infants acquire basic cognitive skills later and that the introduction of cognitively stimulating activities should occur later than did high SES mothers. (JMB)

Three groups of sixth, eighth, and tenth graders took pre- and posttests on a Piagetian problem and a problem that evoked a misconception. Two intervention groups engaged in group transactions intended to create inter- and intrapersonal conflicts or took a multiple-choice test. Results indicated that treatment groups progressed on the Piagetian…

Examined effects of negative group stereotypes on reasoning about peer retribution (child hits another child in response to name calling) among 2,604 Arab and Jewish adolescents in Israel. Found evidence that Arab and Jewish students hold stereotypes about one another and that in-group bias affected approval and reasoning about peer retribution…