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Infants' Use of Object Parts in Early Categorization.
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Rakison, David H.; Butterworth, George E. – Developmental Psychology, 1998
Two experiments used object-manipulation tasks to examine whether one- to two-year-olds form superordinate-like categories by attending to object parts. Findings indicated that 14- and 18-month-olds behaved systematically toward categories with different, but not matching, parts. Without part differences, none formed superordinate categories.…
Descriptors: Age Differences, Attention, Classification, Cognitive Development
Problem Solving in Infancy: The Emergence of an Action Plan.
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McCarty, Michael E.; Clifton, Rachel K.; Collard, Roberta R. – Developmental Psychology, 1999
Evaluated 9-, 14-, and 19-month olds' strategies as they grasped and used spoons presented with the handle alternately oriented to left or right. Found that younger children reached with their preferred hand, disregarding the item's orientation. Older children anticipated the problem, alternated the hand used, and achieved an efficient radial grip…
Descriptors: Age Differences, Eye Hand Coordination, Handedness, Infant Behavior
Object Manipulation and Exploration in Two- to Five-Month-Old Infants.
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Rochat, Philippe – Developmental Psychology, 1989
Studied the early development of exploratory behavior in 99 infants of 2-5 months. Results show that there are significant changes in spontaneous multimodal exploration of a novel object between 2 and 5 months. (RJC)
Descriptors: Behavior Development, Child Development, Exploratory Behavior, Infant Behavior