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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: EJ109780
Record Type: CIJE
Publication Date: 1974
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Judgment and Imaging Aspects of Operations: A Piagetian Study with Korean and Costa Rican Children
Youniss, James; Dean, Anne
Child Development, 45, 4, 1020-1031, Dec 74
Descriptors: Age Differences, Conservation (Concept), Cross Cultural Studies, Developmental Psychology, Developmental Tasks, Elementary School Students, Foreign Countries, Rural Urban Differences, Serial Ordering
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Piaget (Jean)