Understanding p-Values for Linear Mixed Effects Models in R: A Practical Guide

Extracting p-values for fixed effects from nlme/lme4 output in R

Understanding Model Specification in GLMM with R's glmer for Generalized Linear Mixed Models: A Step-by-Step Approach to Capturing Hierarchical Data Structures

Understanding Residual Variance in Linear Mixed Effects Models Using R's lme4 Package

Double Cross-Classified 3-Level Hierarchical Linear Models in R: A Comprehensive Guide