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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: EJ041134
Record Type: CIJE
Publication Date: 1971
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
State IV of Piaget's Theory of Infant's Object Concepts: A Longitudinal Study
Grath, Gerald; Landers, William F.
Child Development, 42, 2, 359-372, Jun 71
Descriptors: Age Differences, Cognitive Development, Concept Formation, Infants, Longitudinal Studies, Observation
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Piaget (Jean)