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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: EJ050880
Record Type: CIJE
Publication Date: 1971
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Problems with Inferring Treatment Effects from Repeated Measures
Werts, Charles E.; Linn, Robert L.
Educational and Psychological Measurement, 31, 4, 857-66, W 71
Descriptors: Analysis of Covariance, Analysis of Variance, Comparative Analysis, Mathematical Models, Measurement Techniques, Research Design, Research Problems
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Inference (Statistical)