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Quinn, Paul C. – Child Development, 2004
Visual preference procedures were used to investigate development of perceptually based subordinate-level categorization in 3- to 7-month-old infants. Experiments 1 and 2 demonstrated that 3- to 4-month-olds did not form category representations for photographic exemplars of subordinate-level classes of cats and dogs (i.e., Siamese vs. Tabby,…
Descriptors: Infants, Classification, Age Differences, Concept Formation