“…Again, no statistically significant differences were found between studies that utilized small groups (teacher outcomes, g = 0.94; student outcomes, g = 0.19) and those that used only whole group PD (teacher outcomes, g = 0.96; student outcomes, g = 0.20). Several different terms were used to describe small group PD experiences, including teacher study groups (Gersten et al., 2010; Simmons et al., 2010) and professional learning communities (Stevens et al., 2022). These types of small group experiences could make up the entire PD (Wexler et al., 2022) or occur after a traditional whole group PD (Stevens et al., 2022) was provided.…”