In the Event of Perfect Collinearity, Which One of the Following

In the event of perfect collinearity, which one of the following can occur?

A) The partial correlation can be greater than its corresponding bivariate correlation
B) The partial correlation can be less than its corresponding bivariate correlation
C) The partial correlation can be equal to zero when its bivariate correlation is not
D) All of the above
E) None of the above
Feedback: Perfect collinearity is a serious problem that can cause any option, a, b, or c, to occur.