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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: EJ415687
Record Type: CIJE
Publication Date: 1990
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0022-4308
Accelerating the Development of Formal Thinking in Middle and High School Students.
Adey, Philip; Shayer, Michael
Journal of Research in Science Teaching, v27 n3 p267-85 Mar 1990
The effect of intervention lessons designed to accelerate the development of formal operations taught over a period of two years to adolescents was assessed. Results indicated that the experimental group had achieved a significantly greater gain in cognitive levels than the control group. Implications are discussed. (CW)
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: Researchers
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A