In a factorial design, the mean score for all participants at a particular level of one of the variables is a(n):
A)interaction effect
B)cell mode
C)cell mean
D)marginal mean

Question

Quizplus · Accepted Answer

In a factorial design, the mean score for all participants at a particular level of one of the variables, regardless of the levels of the other variable(s), is referred to as a marginal mean. This is because it represents the average outcome across one dimension (or margin) of the design, summarizing across levels of the other factor(s).

In a Factorial Design, the Mean Score for All Participants