Dear Friends:
I want to compare the correlations of FA and reaction time (RT)
between groups of control and patients. I know I should demean RT.
Should I demean RT within each group or across two groups?
Best Regards
Jiansong
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Jiansong Xu, M.D., Ph.D.
Dept. of Psychiatry
Yale Medical School
2 Church St., Suite 215
New Haven, CT 06519
203-785-5306
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