>There are differences between SPM's method of handling ANOVAs
>and those of
>conventional stats packages. (The ones I've heard about in
>the past are
>ReML instead of e.g. Greenhouse-Geiser (for sphericity), and pooled
>instead of partitioned errors (as far as I can tell SPM can give
>partitioned errors, but only with extra work by the user, even
>in the case
>of SPM5).)
>
>Another thing stats packages do, however, is correct for multiple
>comparisons, in this case the fact that most ANOVAs will
>likely have many
>tests. While of course the number of tests is tiny compared
>to the usual
>source of multiple comparisons in neuroimaging (the huge number of
>voxels), SPM doesn't actually do this other more conventional multiple
>comparison correction, does it?
Correct.
;-)
Rik
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