is there a difference between subject and pupil fixed effect are between subject and within subject fixed effects is between subject and within subject fixed effects what is the difference between subject and within subject can i include between subject fixed effects is class size a fixed effect in mixed models can you use both between subject and within subject fixed effect in a mixed model between subject fixed effects what is the difference between between and within subjects how to find the relationship between between and within a mixed model what is the difference between between-subject and within-subject fixed effects how to include within subject and between subject fixed effects can you have a fixed effect on pupil performance can a mixed model have fixed effects in between subjects how to find out how much fixed effect is between subjects how do you analyze fixed effects what is the difference between between subject and within subject for a mixed model how do classroom and between subject fixed effects differ what is between subject fixed effect in mixed models can between subject and within subject be included in the mixed model? test