Is a post-hoc test necessary when using an LME test for repeated measures?
Assume that, in R, a summary of the LME model (lmemodel) would show significant levels of pairwise comparisons.
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a post-hoc test for..? If you want a definitive answer, more information (e.g. what model, precisely, was fit? what are you trying to conclude with this model?) would be helpful. – Macro May 02 '12 at 14:54
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Maybe this could be of help? http://stats.stackexchange.com/questions/5250/multiple-comparisons-on-a-mixed-effects-model – nico May 02 '12 at 15:31
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The result of my model says there are significant differences for the individual effects (group and time) and for the interaction effect. I want to know if this is true between pairs in the groups or between times. – Luana May 02 '12 at 16:56
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Yes, thanks the experiment described there is the same as mine. Would I still need the post-hoc test? – Luana May 02 '12 at 17:18