Factorial design We have 2X3 design (motion/attention) 1) main effect of 'motion' 2) main effect of 'attention' 3) interaction of 'motion' and 'attention' Not simple t-test, but ANOVA (F-test) is needed Motion Static Design High Middle Low High Middle Low MH MM ML SH SM SLMH MM ML SH SM SL C scanner drift
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