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The design matrix visualization for an overparameterized ANOVA model in SPM. The use of an overparameterized ANOVA design is possible using the SPM Flexible Factorial module. Here, the blocks below the design matrix are gray, indicating that unique values for the parameters do not exist. The constant is placed on the end of the design as it is not included by default, rather it is added by specifying a covariate of ones.
