“…Capacity-building professional development is defined as the experiences and opportunities used by professional development specialists to engage learners (e.g., early childhood intervention practitioners) in activities to improve their knowledge, skills, and intervention practices (Desimone, 2009;Guskey, 2002). Evidence-based professional development is defined as practices informed by research findings demonstrating an empirical relationship between particular types of adult learning and professional development practices and learner outcomes (Dunst, Bruder, & Hamby, 2015;Dunst, Trivette, & Hamby, 2010). Findings from a meta-analysis of adult learning studies, for example, indicated that coaching over extended periods of time "stood out" as an especially important element of evidence-based professional development .…”