On Tue, 18 Sep 2007 08:36:13 +0100, <Nicky> <Kochan>
<[log in to unmask]> wrote:
>How can I do this in a 2nd level analysis? Do I specify the 2nd level
>using ess or SPM_F images? I tried using ess images and the SPM glass
>brain looked wrong.
No: ess and SPM_F images are _not_ taken to the second level (group
level). This has been discussed before on this message board.
The correct approach is to take contrasts (the con images, not the spmT
images) to the second level, and do the ANOVA at the second level.
There's discussion of this on the message board. Also, there's a
monograph entitled "ANOVAs and SPM" that's useful, at