When a researcher has many independent variables and wants to narrow the set down to a smaller number,which form of regression is useful?
A)Variance inflation regression
B)Variance deflation regression
C)Forward multiple regression
D)Stepwise multiple regression

Question

Quizplus · Accepted Answer

Stepwise multiple regression allows the researcher to determine the most important independent variables to include in the model while excluding less significant variables. This method is useful in situations where there are many independent variables and the researcher wants to narrow down the set to a smaller number.

When a Researcher Has Many Independent Variables and Wants to Narrow