In an experiment,both the independent variable and the moderator variable often are ____.
A)at least interval
B)ratio scale
C)categorical
D)irrelevant

Question

Quizplus · Accepted Answer

A moderator variable is a categorical variable that affects the strength or direction of the relationship between the independent and dependent variables. Therefore, both the independent variable and the moderator variable are categorical in most experiments.

In an Experiment,both the Independent Variable and the Moderator Variable