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

The role of motor activity in children's formation of dynamic mental imagery was investigated in 2 experiments using a paired-associate recognition task. (Authors)

Attaining and generalizing a new concept were studied in Mexican- and Anglo-American fifth graders. Both modeling and repetition improved performance. (Authors/MB)

Data provide evidence for the situational invariance of individual differences, and for the greater importance of capacity than of motivational variables in accounting for such differences. (Authors)

Results do not support Piaget's explanation of object conceptualization. (MB)

Results indicate that children's preferences were relatively stable over time. (Authors/MB)

Study investigates the effects of spatial and temporal grouping on short-term serial recall by elementary school children of three different grade levels. (Authors)

Purpose of this study was to test the adequacy of the serial habituation hypothesis as an account of the infant's perceptual commerce with visual stimuli. (Author)

Objectives of this study were to attempt to classify preschool children on conceptual tempo, to investigate a relationship between conceptual tempo and ability to inhibit movement, and to investigate the relationship of intelligence to both dimensions. (Authors)

With no expectancy to perform, vicarious reward had no effect on spontaneous imitation. (Authors)

Results were interpreted in terms of current conceptions of age differences in information-processing speed. (Author)

Grammatical sentences were easier to imitate than ungrammatical ones only when function words were included in the sentence; with function words absent, there was no significant difference. (Authors)

It was concluded that age and IQ have strong influences on acquisition-retrieval, but that forgetting rate is independent of these variables. (Author)

Hypothesis was confirmed that more familiar and more ambiguous concepts would be less readily named in their less detailed representations. (Author/MB)