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2008 Apr 22
1
lmer model building--include random effects?
Hello, This is a follow up question to my previous one http://tolstoy.newcastle.edu.au/R/e4/help/08/02/3600.html I am attempting to model relationship satisfaction (MAT) scores (measurements at 5 time points), using participant (spouseID) and couple id (ID) as grouping variables, and time (years) and conflict (MCI.c) as predictors. I have been instructed to include random effects for the slopes of both predictors as well as the intercepts, and then to drop non-significant random effects from the model. The instructor and...