Posted by
MLIves on
Jun 04, 2014; 1:30pm
URL: http://spssx-discussion.165.s1.nabble.com/Simple-Main-Effects-Pairwise-Comparisons-vs-Univariate-Tests-tp5726323p5726329.html
You'll need to say more about what you actually used to examine the simple main effects
Could it be that the former is looking at the slope between times while the latter looks at the actual state at the time point?
Melissa
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Sent: Tuesday, June 03, 2014 7:29 PM
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Subject: [SPSSX-L] Simple Main Effects Pairwise Comparisons vs Univariate Tests
I have an experimental design with Time as the within-subjects factor (3
levels) and Group as the between-subjects factor (3 levels). There is a significant interaction. When examining the simple main effects, I find a significant difference between two of the groups at Time 2 and Time 3. My question is why the Univariate Tests do not show a significant effect at Time 2 or Time 3. What do I report and how do I explain these findings?
Thanks!
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