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ERIC Number: EJ174727
Record Type: Journal
Publication Date: 1977
Pages: N/A
Abstractor: N/A
Reference Count: N/A
ISBN: N/A
ISSN: N/A
Toward a Causal Model Approach for Adjuting for Preexisting Differences in the Nonequivalent Control Group Situation: A General Alternative to ANCOVA
Magidson, Jay
Evaluation Quarterly, 1, 3, 399-420, Aug 77
Path analysis was used to reevaluate the analysis of covariance quasiexperimental study of the effectiveness of the Head Start program. Contrary to the original analysis, the alternative approach yields small positive estimates of effect. (Author/CTM)
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Assessments and Surveys: Illinois Test of Psycholinguistic Abilities; Metropolitan Readiness Tests