Confounding Covariates in Nonrandomized Studies [electronic resource] / R. Clifford Blair and Shlomo S. Sawilowsky.

Analysis of covariance (ANCOVA) is a data analysis method that is often used to control extraneous sources of variation in non-equivalent group designs. It is commonly believed that as long as the covariate is highly correlated with the dependent variable there is nothing to lose in using ANCOVA, ev...

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Online Access: Full Text (via ERIC)
Main Author: Blair, R. Clifford
Other Authors: Sawilowsky, Shlomo S.
Format: Electronic eBook
Language:English
Published: [S.l.] : Distributed by ERIC Clearinghouse, 1991.
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Call Number: ED336412
ED336412 Available