Dear Michael,
I have already performed the analysis using the flexible factorial design (following the guidance of this paper: https://www.researchgate.net/publication/267779738_Contrast_weights_in_flexible_factorial_design_with_multiple_groups_of_subjects) only for the subjects with repeated measures. In the 1st level analysis, I created 4 regressors of interest: epoch for condition1, parametric modulator for condtion1, epoch for condition2 and parametric modulator for condtion2. Then, I created 2 contrasts, based on the parametric modulators of the two conditions. In the 2nd level, I used those contrasts in a flexible factorial design. Isn't that possible?
And if so, can it also accommodate the data with incomplete repeated measures?
Best regards
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