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Direct linkYounger, Barbara A.; Johnson, Kathy E. – Cognitive Psychology, 2004
Infants' understanding of "toy model-real exemplar" relations was assessed through preferential looking and habituation tasks. Results from the preferential looking task suggest that 18-month toddlers are just beginning to demonstrate comprehension of symbolic relations between iconic models and their real object counterparts. Performance of 10-…
Descriptors: Toys, Infants, Habituation, Toddlers
Peer reviewedHalford, Graeme S. – International Journal of Behavioral Development, 1978
Proposes that cognitive developmental stages can be accounted for in terms of information processing factors which limit the highest level of cognitive system which children can attain at any given age. Delineates four progressively more complex levels of cognitive mediation of the environment. Two experiments which support the developmental model…
Descriptors: Age Differences, Children, Cognitive Ability, Cognitive Development
