Yes, that will test the interaction effect.

Cheers,
Jeanette

On Thu, Mar 7, 2013 at 12:44 PM, Jie Yu <[log in to unmask]> wrote:
Dear Jeanette

Thanks so much!

So I guess I will just use that GLM design ( which I posted today ) with the contrast ( 0,0,0,0,0,1,-1) and (0,0,0,0,0,-1,1)???

Thanks!