Evaluates validity of the Denver Developmental Screening Test used for assessing the development of preschoolers. (AJ)

Nedler and Sebera's article appeared in Child Development, vol 42, 1971, p 259-267. A further comment appears in PS 502 100. (MB)

Response to article PS 502 099. (MB)

The most significant finding is that stimulus-predifferentiation training elicited lower prejudice scores for children on two indices of ethnic attitudes than did a no-label control condition. (Author)

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

It was hypothesized that while approval of donation behavior from altruistic models would be rewarding, such approval from selfish models would be aversive. (Authors)

The present experiment involved a manipulation of the cognitive or associative meaning of a play object. (Authors)

Study further examined the effects of forced-choice trials on dimensional preferences. (Author)

These results provide a more precise attentional interpretation of both preference and pretraining effects. (Authors)

Results reveal a relationship between two previously explored areas of inquiry: orientation errors in copying and preferences for the orientation of nonrealistic shapes. (Author)

An analysis of the type and frequency of the different persuasive appeals indicated the major differences were due to the age of the target and not the birth order of the subject. (Authors)