The ________ refers to the fact that ordinarily the assumption in analysis of variance that the categories of the independent variable are fixed.
A) standard-effects model
B) random-effects model
C) mixed-effects model
D) fixed-effects model

Question

Quizplus · Accepted Answer

The term "fixed-effects" refers to the assumption that the categories of the independent variable are fixed and not randomly selected. In contrast, the random-effects model assumes that the categories are randomly selected from a larger population, while the mixed-effects model combines both fixed and random effects. The standard-effects model is not a commonly used term in the context of analysis of variance.

The ________ Refers to the Fact That Ordinarily the Assumption