which interaction should be included in a multilevel model why should the lower order interactions in a three level multilevel model be included? why is a multilevel model not significant why are lower order interactions non-significant in multiple level multilevel model which interaction is included in a multilevel model? why should lower order interactions in multilevel model be included in therapists why would it be useful to include lower order interaction why is it important to include lower-order interactions in a multilevel model? when to include lower interaction in multilevel model which of the following interaction levels should be included in the model which interaction is the lowest order of interaction do you need to include lower order interaction why not include lower or higher interaction? can you include lower-order interactions in multilevel model how to include lower order interaction in multilevel model can you include lower level interactions in multilevel model why should you include lower order interactions in a multi level multilevel model? when you are included in a multilevel model for therapists how many ways will each interaction be which interaction is not significant how many ways does a patient interaction include