I'd use GLM Flex. It can handle a group factor and the three
within-subject factors.
Best Regards, Donald McLaren
=================
D.G. McLaren, Ph.D.
Research Fellow, Department of Neurology, Massachusetts General Hospital and
Harvard Medical School
Postdoctoral Research Fellow, GRECC, Bedford VA
Website: http://www.martinos.org/~mclaren
Office: (773) 406-2464
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On Fri, Nov 9, 2012 at 6:31 PM, Susanna <[log in to unmask]> wrote:
> Hello SPM users,
>
> Our group is trying to run a ANOVA model with 4 factors (eg, group, site, stimulus type, memory load) in spm8. When we try to run the model, the model estimation seems to run just fine (ie, beta images are generated). However, we can't generate the contrast images, as an spm message comes up indicating "spm_make_contrasts not written for 4-way ANOVAs"
>
> Is anyone aware of a work around or does any one have a script that is able to generate contrasts for a 4-factor ANOVA
>
> thanks much!
>
> Susanna Marton
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