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| Analysis of Variance | 1 |
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Peer reviewedKarabinus, Robert A – Evaluation Review, 1983
Use of analysis of covariance or multiple regression can lead to Type I errors in pretest-posttest nonequivalent control group designs. Analysis of the interaction term of a repeated model analysis of variance was shown to help identify areas of significant change. The standardized difference score, effect size, suggested meaningful differences.…
Descriptors: Analysis of Covariance, Analysis of Variance, Effect Size, Evaluation Methods
