Fig. 1
Design matrix for the mixed model ANOVA with effect coding. Colors: white = 1, grey = 0, black = −1. The intercept is represented by column 1. The gender effect is represented by column 2. The within trial effect is represented by columns 3 and 4. Columns 5 and 6 represent the interaction effect. The final columns (7–24) represent the random effects of the ith subject in the jth level of the factor gender