interaction factorial design main effect cell means marginal means in a factorial design a situation that occurs when the effect of one independent variable differs from depending on the level of the other independent variable a study in which there are two or more independent variable or factors in a factorial design the overall effect of one independent variable on the depedent variable averaging over the levels of the other independent variable cell a condition in an experiment a cell can represent the level of one independent variable in a simple experiment or one of the possible combinations of two independent variables in a factorial design a factorial design the means for each level of an independent variable averaging over the levels of another independent variable
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