Structural, process, and content dimensions of a coaching-based professional development (PD) intervention were examined in an implementation fidelity study. The intervention focused on Head Start teachers' vocabulary and phonemic awareness instruction, and was delivered through onsite classroom visits and technologically mediated methods that…

Access to high-quality education is uneven, particularly for preschool children who are at risk for school failure. Professional development (PD) for teachers, including the use of coaching, is an increasingly common approach for promoting evidence-based instruction. Existing research suggests that the frequency of teacher participation in a PD…