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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: EJ086697
Record Type: CIJE
Publication Date: 1973
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0022-4308
The Effects of Training on the Development of the Ability to Control Variables
Bredderman, Theodore A.
Journal of Research in Science Teaching, 10, 3, 189-200, 73
Effects of external reinforcement and cognitive conflict-based treatments on students' acquisition of ability to control variables at an early age were studied. Smedslund's finding was confirmed. Nearly half of trained students with a mean age of 11.8 years could be classified in late formal operations. (CC)
Descriptors: Cognitive Ability, Doctoral Dissertations, Elementary School Students, Intellectual Development, Learning Theories, Psychology, Retention Studies, Science Education, Training
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A