can a mixed model be tested for slopes when do you compare the slopes for a mixed model can you compare a regression with a mixed model what is the difference between a mixed regression model and a t test can a mixed model compare the slopes of two independent independent models? can you compare the slopes of two independent regression lines why does my mixed model have slope comparison in it? can you compare the slopes of a mixed model can you t test slopes in mixed models can you compare regression slopes with the coefficients of a mixed model can you compare regression coefficients why can i compare slopes between regression lines from a mixed model what is the difference between mixed model and t test can you compare two independent regression lines does the t-test compare the slopes of a mixed model what test do you use to compare two regression lines when do you compare slopes in a mixed model what is the difference between regression coefficients and standard error can you compare slopes of two different regression lines? what is the best way to compare regression lines