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Sophian, Catherine – Merrill-Palmer Quarterly, 1980
Critically evaluates habituation and related models for studying infant memory, focusing on methodological and substantive limitations which restrict the derivation of information from them. The essay considers existing research on the development of object permanence as an alternative source of information about infant memory. (Author/DB)
Descriptors: Cognitive Development, Infants, Memory, Novelty (Stimulus Dimension)

Sophian, Catherine; Wellman, Henry M. – Journal of Experimental Child Psychology, 1983
Experiment one tested 9- and 16-month-old children on a modification of Piaget's Stage IV object permanence task, examining infants' use of information from previous experiences with an object and from a recent hiding to locate a hidden object. In experiment two, two-, two-and-a-half-, and four-year-old children additionally received verbal…
Descriptors: Age Differences, Cognitive Ability, Cognitive Development, Cognitive Processes