Dear Friends
Assume I have a block design with 3 conditions as [c1 c2 c3]. If I set
following contrasts:
[1 1 -3 ]
Is this a one tail t test?
Can I say all the significant voxls in the spm{t} map has higher signal
intensity at EITHER c1 OR c2 than c3?
OR, should I say all significant voxels in the spm{t} map has higher signal
intensity at BOTH c1 AND c2 than c3?
Thanks
Jiansong
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