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Palmer, Carolyn F. – Developmental Psychology, 1989
Two studies involving 108 infants of 6, 9, and 12 months showed that providing infants with multiple action-relevant properties elicits a rich action repertoire. (RJC)
Descriptors: Age Differences, Child Development, Discrimination Learning, Experiential Learning
Peer reviewed Peer reviewed
Yarrow, Leon J.; Pederson, Frank A. – Young Children, 1972
In this paper some behavioral indices of attachment are defined and some of the factors that affect its development are considered. (Editor)
Descriptors: Attachment Behavior, Behavior Patterns, Child Development, Cognitive Development
McGurk, Harry – 1972
Infants in four age groups--three, six, nine and twelve months--were exposed to an experimental procedure designed to assess the extent to which such subjects were capable of discriminating between different orientations of the same form, and the extent to which they were capable of recognizing the identity between different orientations of the…
Descriptors: Child Development, Child Psychology, Cognitive Development, Comparative Analysis