Why is comparison of the separate effects of multiple independent variables often a challenge in multiple regression?
A) Partial slopes fail to control for the effects of other X variables.
B) Multiple regression can handle only two X variables per equation.
C) Different independent variables usually have different units of measurement.
D) Linear associations may be positive or negative.

Question

Quizplus · Accepted Answer

Different independent variables often have different units of measurement, which can make it challenging to directly compare their effects in a multiple regression model.

Why Is Comparison of the Separate Effects of Multiple Independent