When adding additional predictors to a regression analysis,you should try to find predictors that are related to ______ but not ______.
A)the independent variable;the dependent variables
B)the dependent variable;the independent variables
C)the predictors;the outcome
D)all main effects;any interaction effect

Question

Quizplus · Accepted Answer

The goal of adding additional predictors to a regression analysis is to improve the predictive power of the model. Therefore, we want to find predictors that are related to the dependent variable but not already accounted for by the independent variables in the model. Adding predictors that are highly correlated with the independent variables could lead to multicollinearity and unstable parameter estimates.

When Adding Additional Predictors to a Regression Analysis,you Should Try