A Priori Versus Post-Hoc [electronic resource] : Comparing Statistical Power among ANOVA, Block Designs, and ANCOVA / Yi-Cheng Wu and James E. McLean.

By employing a concomitant variable, block designs and analysis of covariance (ANCOVA) can be used to improve the power of traditional analysis of variance (ANOVA) by reducing error. If subjects are randomly assigned to treatments without considering the concomitant variable, an experiment uses a po...

Full description

Bibliographic Details

Online Access:	Full Text (via ERIC)
Main Author:	Wu, Yi-Cheng
Other Authors:	McLean, James E.
Format:	Electronic eBook
Language:	English
Published:	[S.l.] : Distributed by ERIC Clearinghouse, 1994.
Subjects:	Analysis of Covariance. Analysis of Variance. Comparative Analysis. Power (Statistics) Research Design. Research Methodology.