Hi experts, I have 3 groups: (A, PC and HC) and 1 covariate: IQ. For a DOSS file, how should I define the F contrast? Would it still be: I -1 0 ? 1 0 -1 And would the t contrast for say A>PC be: 1 -1 0 0 and for A < PC be -1 1 0 0 etc
Many thanks, Lena
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