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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: EJ168323
Record Type: CIJE
Publication Date: 1977
Pages: N/A
Abstractor: N/A
Reference Count: 0
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The Relation Between Formal Operations and a Possible Fifth Stage of Cognitive Development
Cropper, Dennis A.; And Others
Developmental Psychology, 13, 5, 517-518, Sep 77
A sample of 86 college students aged 18 to 35 years of age were asked to solve three formal operations tasks and to participate in a problem-finding task. No relation was found between performance on problem-finding and the formal operations task. (JMB)
Publication Type: N/A
Education Level: N/A
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