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Cognitive Ability2
Cognitive Development2
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Object Permanence2
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Child Development1
Developmental Psychology1
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Baillargeon, Renee1
Wishart, Jennifer G.1
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Object Permanence in 3 1/2- and 4 1/2-Month-Old Infants.
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Baillargeon, Renee – Developmental Psychology, 1987
Three experiments test object permanenece in 3 1/2- and 4 1/2-month-old infants, and use an impossible-possible-habituation event format. The 4 1/2-month-olds, and the 3 1/2-month-olds who were fast habituators, look reliably longer at the impossible than at the possible event. Results seriously question Piaget's (1954) claims regarding the age at…
Descriptors: Cognitive Ability, Cognitive Development, Cognitive Processes, Habituation
Siblings as Models in Early Infant Learning.
Peer reviewed Peer reviewed
Wishart, Jennifer G. – Child Development, 1986
Investigates whether 6- to 12-month-old infants' exposure to the successful search behavior of a sibling in two object-concept tasks would enhance infants' subsequent performance on these tasks. (HOD)
Descriptors: Child Development, Cognitive Ability, Cognitive Development, Cognitive Processes