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Peer reviewedCasasola, Marianella; Cohen, Leslie B.; Chiarello, Elizabeth – Child Development, 2003
Two experiments examined six-month-olds' ability to form an abstract containment category. Results indicated that, after habituation to object pairs in a containment relation, infants looked reliably longer at an example of an unfamiliar versus familiar containment relation, indicating that they could form a categorical representation of…
Descriptors: Classification, Cognitive Development, Concept Formation, Discrimination Learning
Watson, John S.; Danielson, Gary – J Exp Child Psychol, 1969
Research supported in part by OEO Headstart Subcontract No. 1410 with Michigan State University Headstart Evaluation and Research Center.
Descriptors: Attention, Behavior Development, Classification, Cognitive Ability
Peer reviewedNelson, Keith E. – Merrill-Palmer Quarterly, 1974
Infants ranging in age from six months to eight months were shown repeated instances of real object movement-disappearance-reappearance. Results suggest that the key changes in early cognitive development rest primarily upon the infant's gradual adaptation of old responses through encounters with new events--rather than upon the acquisition of…
Descriptors: Concept Formation, Discrimination Learning, Feedback, Infant Behavior
Peer reviewedEimas, Peter D.; Quinn, Paul C. – Journal of Experimental Child Psychology, 1998
Examined representation of pictorial exemplars of humans by 3- and 4-month olds. Results demonstrated an asymmetry regarding the exclusivity of categorical representations formed for humans and non-human animals. Categorical representations for humans included exemplar information, whereas categorical representation for non-human animals was based…
Descriptors: Animals, Classification, Cognitive Development, Concept Formation
