The glht function in package multcomp requires "aov" objects.
As you discovered, it does not work with "aovlist" objects.
See the documentation ?MMC in the HH package from CRAN.
The maiz example is similar to your example. Come back
to the list if you need further help.
Rich
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Is there a standardized way in R to perform post-hoc comparisons for main
adn interaction effects of between- and within-subject factors?
For instance, I have a data set of performance of adults of different age
groups (20-30, 60-70,70-80) performing a WM task (n-back, with n=1,2,3,4) in
two diffe