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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: EJ160914
Record Type: CIJE
Publication Date: 1977
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0022-4308
The Effect of Two Science Programs (ESS and Laidlaw) on Student Classification Skills, Science Achievement, and Attitudes
Vanek, Eugenia Poporad; Montean, John J.
Journal of Research in Science Teaching, 14, 1, 57-62, Jan 77
No significant differences were found for grade level, sex, or instructional treatment (activity-based curriculum vs. textbook approach) for third and fourth grade science students as measured by Piagetian Classification Tasks, the Science Attitude Scale, and the Science Achievement Test. (MLH)
Publication Type: N/A
Education Level: N/A
Audience: N/A
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Sponsor: N/A
Authoring Institution: N/A
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