If the Regression Slopes of the Dependent Variable (Y) on the Covariate

Multiple Choice

If the regression slopes of the dependent variable (Y) on the covariate (X) are substantially different across the groups, one would expect that

A) the adjusted means will be biased.
B) Y is independent of X.
C) the factor is not independent of X.
D) there is a modest effect with equal n's in quasi-experiment.