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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

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Peer reviewed Peer reviewed
ERIC Number: EJ168345
Record Type: CIJE
Publication Date: 1977
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Abstractor: N/A
Reference Count: 0
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Developmental Trends in Free Classification: Evidence for a New Conceptualization of Perceptual Development
Smith, Linda B.; Kemler, Deborah G.
Journal of Experimental Child Psychology, 24, 2, 279-298, Oct 77
Two studies explored the hypothesis that young children perceive integrally some stimuli that older children perceive separably. In both experiments, kindergarten, second- and fifth-grade children were required to classify sets of stimuli that varied in size and brightness. (SB)
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