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>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