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Dear FS experts,
If I wanted to do an interaction of Handedness x ROIsInteractionTerm x Age, controlling for eTIV and Sex, would I use the following contrast? [0.5 0.5 -0.5 -0.5 0 0 0 0 0 0 0 0 0.5 0.5 -0.5 -0.5]
FSGD attached. Thank you so much for your time!
All the best,
Fred