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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: EJ073567
Record Type: CIJE
Publication Date: 1973
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Reference Count: 0
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Quantitative Models for Children's Concept Learning from a Developmental Perspective
Block, Karen K.; And Others
Developmental Psychology, 8, 2, 187-201, Mar 73
Results showed that reversal shift was easier than extradimensional shift and that relative shift difficulty was unaffected by instructions, in contrast to findings with college-age subjects. (Authors)
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