First of all, thank you for the detailed response. I had also seen Barr, Levy, Scheepers, and Tily, but was confused as to how it should directly apply to my analysis, so I appreciate the clarification and recommendatoin.
The study’s goal is to assess different interface types (coded as Method, with three conditions) at different cognitive workloads (MATB) and different #’s of signals (3, 4, and 5) on the number of correct responses. So, yes, I’m mainly interested in determining differences at the level of factors.
I was mainly working through Winter’s guide for Mixed Models, prior to this. I’m still digging through the references and may respond back with clarifications, but need to review the materials closely to make sure that I’m asking good questions.
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This reply was modified 6 years, 2 months ago by Trey.