User Guide

21
GLM Repeated Measures
GLM Repeated Measures Model
Figure 2-4
Repeated Measures Model dialog box
Specify Model. A full factorial model contains all factor main effects, all covariate main
effects, and all factor-by-factor interactions. It does not contain covariate interactions.
Select
Custom to specify only a subset of interactions or to specify factor-by-covariate
interactions. You must indicate all of the terms to be included in the model.
Between-Subjects. The covariates are listed with (C) for covariate.
Model. The model depends on the nature of your data. After selecting Custom, you can
select the within-subjects effects and interactions and the between-subjects effects and
interactions that are of interest in your analysis.
Sum of squares. The method of calculating the sums of squares for the between-subjects
model. For balanced or unbalanced between-subjects models with no missing cells, the
Type III sum-of-squares method is the most commonly used.
Build Terms
For the selected factors and covariates:
Interaction. Creates the highest-level interaction term of all selected variables. This is
the default.