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| Wu, Yi-Cheng | 1 |
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Download full textWu, Yi-Cheng; McLean, James E. – 1994
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 post-hoc approach. Otherwise, an a priori approach…
Descriptors: Analysis of Covariance, Analysis of Variance, Comparative Analysis, Power (Statistics)
