[FieldTrip] 3x2 ANOVA using permutation tests?

[Anne Mickan]

Dear fieldtrip community,

I've been using cluster-based permutation tests to analysis my EEG data in
which I have 3 groups and 2 conditions each. Ultimately I want to know
whether groups differ from each other with respect to differences in
conditions. In a traditional analysis I would do an ANOVA on preselected
time-windows, but I haven't been able to figure out how to properly do that
within the permutation test.

So far I simply did permutation tests for each of the groups separately.
Then on the basis of these I choose windows for an ANOVA (and a regression
analysis with some behavioral measures I acquired). Is that OK? Or is there
a way to do the permutation tests for all groups together and add group as
a between-subject factor (in addition to the within-subjects factor
condition)? And would that be better / obligatory to do (instead of what I
did so far).

How do I need to change the cfg.design in order to do that?

Thanks a lot in advance!

Best,
Anne
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