I am comparing two groups on a contrast of condition A - condition B. I would
like to include % signal change as a sort-of measure of effect size for the
significant activations resulting from this comparison. Is there a better way of
doing this other than setting the design for each subject, extracting each ROI
for each subject, specifying the conditions for each subject, entering the %
signal change results into SPSS or some such software and running a traditional
statistical analysis?
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