Interaction terms and polynomial terms should not be included in the same multiple regression model.

Question

Quizplus · Accepted Answer

Interaction terms and polynomial terms serve different purposes and can be included in the same multiple regression model if the model specification requires it. Interaction terms capture the effect of two or more variables acting together, while polynomial terms capture non-linear relationships between the independent variables and the dependent variable.

Interaction Terms and Polynomial Terms Should Not Be Included in the Same