“…Research designs including longitudinal analysis, moderation, mediation, and multilevel modeling are better suited to examine the nested arrangements and the mediating or moderating effects of specific variables (e.g., small class size, gender) on outcomes. Multilevel modeling, such as hierarchical linear modeling (HLM; Garson, 2013) analysis, is a widely supported analytic methodology for ecological models (Bronfenbrenner & Morris, 2006;Tudge et al, 2009). Multilevel modeling is equipped to test multiple theories while simultaneously examining variables across levels (e.g., individuals, families, schools) to examine crosslevel causal effects (Garson, 2013).…”