Dear Nathan,
> I have a very general question. I know there are problems associated
> with mixing condition and covariate effects within the same contrast,
> however, is it politically correct to conjunct a condition effect with
> a covariate effect separately?
I am sure this is politically correct (you are testing for a
conjunction of significances as opposed to testing a linear
compound of effects that may be scaled very differently).
I hope this helps - Karl
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