According to transfer index testing, chimpanzees who had been reared in restricted laboratory environments for the first two years of life were inferior in cognitive skills to wild born control subjects. Findings are discussed in terms of the role of early experience in cognitive development. (DP)

Investigated developmental changes in children's judgments of age of people in photographs with emphasis on judgments correlating age and physical size. Results were discussed in terms of previous age perception studies and Piagetian Theory. (DP)

Explored children's conceptions of death from a Piagetian framework. Significant changes in the direction of more realistic attitudes by children were noted as levels of cognitive development advanced. (DP)

Piaget's constructs of concrete-operational and formal-operational stages are illustrated by quoting comments from Piaget and Inhelder (1958), summarizing the kinds of reasoning to be expected at each substage, and relating this reasoning to specific mathematical items. (DT)

This paper relates the function of history as a discipline of knowledge to the student's cognitive abilities and development. (Author)

Results were interpreted supporting a social learning view of observational learning that emphasizes contral processing of response information in the acquisition phase and motor reproduction and incentive processes in the overt enactment of what has been learned. (Author)

The analyses of data obtained from bain damaged and normal children of 9 to 11 and 12 to 15 years indicate that the IHCT is a better discriminator between brain damaged and normal Ss in the older age group. A shortened version of the IHCT produced for this study showed the same results. (JC)

A pretheoretical model of cognitive development is proposed which is based on the empirical establishment of Gagne's cumulative learning sequences. (Author)

Study attempted to determine the viability of optimal level theory as it pertains to infant perceptual and cognitive development. (Authors)

Described is an application of Jean Piaget's model of cognitive development of normal children to the cognitive development of trainable mentally handicapped children. (CB)

From a sample of 51 male college students prospective span (PS) in TAT stories was related to two cognitive tasks requiring anticipation, Mazes Test and Seeing Deficiencies Test, but unrelated to Vocabulary and Information subtests of WAIS. PS was negatively related to academic grades. Reprints available from author, Department of Psychology,…

Examines the feasibility of including instruction in common schemes of inference in the elementary grades. (CP)