To be useful in an analysis of covariance design, a covariate should have
A) high positive correlation with the dependent variable.
B) low positive correlation with the dependent variable.
C) low negative correlation with the dependent variable.
D) zero correlation with the dependent variable.
E) high positive correlation with the main independent variable.

Question

Quizplus · Accepted Answer

A covariate should have a high positive correlation with the dependent variable to effectively reduce error variance and increase the statistical power of the analysis.

To Be Useful in an Analysis of Covariance Design, a Covariate