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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: EJ226075
Record Type: CIJE
Publication Date: 1979-Dec
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Formal Reasoning Among Pre- and Late Adolescents.
Kuhn, Deanna; And Others
Child Development, v50 n4 p1128-35 Dec 1979
Finds that, after being exposed to many isolation-of-variables assessment problems, most college subjects made immediate and substantial gains in formal reasoning, while preadolescents made gradual, modest gains. (RH)
Descriptors: Adults, Age Differences, Children, Cognitive Ability, College Students, Elementary School Students, Problem Solving
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Formal Operations