Gabriel Go.Es. wrote: > > Dear Doug, > > I would like to be sure that I've understood the rules for the > following contrast in a 2x2x2 design with diagnosis (D1, D2), gender > (Male, Female) and handedness (Left, Right) as discrete factors. > > D1MaleLeft > D1MaleRight > D1FemaleLeft > D1FemaleRight > D2MaleLeft > D2MaleRight > D2FemaleLeft > D2FemaleRight > > interaction between Diagnosis, Gender, and handedness > [ 1 -1 -1 1 -1 1 1 -1] Correct > > interaction between Gender and handedness for D1 > [ 1 -1 -1 1 0 0 0 0]/2 Correct > > interaction between Gender and handedness for D2 > [ 0 0 0 0 -1 1 1 -1]/2 Correct, but I might change the sign to be consistent with that of D1 above > > interaction between Diagnosis and handedness for Males > [ 1 -1 0 0 -1 1 0 0]/2 Correct > > interaction between Diagnosis and handedness for Females > [ 0 0 1 -1 0 0 -1 1]/2 Correct > > interaction between Diagnosis and Gender for Left > [ 1 0 -1 0 -1 0 1 0]/2 Correct > > interaction between Diagnosis and Gender for Right > [ 0 1 0 -1 0 -1 0 1]/2 Correct > > Many thanks in advance. > > Gabriel > >
-- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
