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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: EJ185567
Record Type: CIJE
Publication Date: 1978
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0022-4308
The Transition from Pre-Operational to Concrete-Operational Thinking: The Effect of Discrimination and Classification Activities
Henry, John A.
Journal of Research in Science Teaching, 15, 2, 145-52, Mar 78
A pretest-posttest research design was used with 104 first-grade children to determine if discrimination and classifactory activities would affect transition from preoperational to concrete stages. Findings showed the experimental group exhibited significantly greater transition than did the control group. (CP)
Descriptors: Abstract Reasoning, Cognitive Development, Educational Research, Elementary School Science, Elementary School Students, Instruction, Learning Theories, Science Education
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Piaget (Jean)