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ERIC Number: EJ180569
Record Type: Journal
Publication Date: 1978
Pages: N/A
Abstractor: N/A
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Attrition: Identification and Exploration in the National Follow Through Evaluation
St. Pierre, Robert G.; Proper, Elizabeth C.
Evaluation Quarterly, 2, 1, 153-66, Feb 78
The possible biasing effects of attrition of subjects in longitudinal experiments is a problem to which social science researchers and evaluators rarely attend. A study of research on Project Follow Through, however, revealed few differences in family income or pretest scores, between students who dropped out of treatment and of comparison groups. (Author/CTM)
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