“…Overall, trauma-informed interventions in ECEC have led to positive improvements in teachers’ trauma-informed knowledge, awareness, and skills (Douglass et al, 2021; Gilles & Carlson, 2020; Lipscomb et al, 2019; McConnico et al, 2016; Perry & Daniels, 2016; Shamblin et al, 2016; Whitaker et al, 2019), self-efficacy and confidence (Gilles & Carlson, 2020; McConnico et al, 2016; Shamblin et al, 2016), children’s social, emotional, and behavioral competence (Gilles & Carlson, 2020; Holmes et al, 2015; Shamblin et al, 2016; Tucker et al, 2017, 2021; Woods-Jaeger et al, 2018), the quality of teacher–child classroom interaction (Rishel et al, 2019; Tabone et al, 2020; Tucker et al, 2017; Whitaker et al, 2019; Woods-Jaeger et al, 2018), learning environments (Holmes et al, 2015; McConnico et al, 2016; Shamblin et al, 2016), organization and system change in terms of positive workplace relationships, shared leadership and collaboration (Douglass et al, 2021), and depression and distress in caregivers (Woods-Jaeger et al, 2018). However, little is known about the sustainability of outcomes over time, with only one study including a follow-up analysis that suggested no sustained impact (Whitaker et al, 2019).…”