In recent years, several states have expanded a new publicly funded learning option: Transitional Kindergarten (TK). TK bridges prekindergarten and kindergarten in its eligibility, requirements, and design. Using Michigan as a case study, we examine TK's fit in the early learning landscape. Broadly, we find TK in Michigan reduces some…

Teacher professional development (PD) is among the most prominent levers used to improve teaching quality. The findings of research studies examining PD interventions are heterogeneous, with meta-analyses indicating mean positive impacts but also the existence of many ineffective programs. "Educational Researcher" has served as a…

Poor program implementation constitutes one explanation for null results in trials of educational interventions. For this reason, researchers often collect data about implementation fidelity when conducting such trials. In this article, we document whether and how researchers report and measure program fidelity in recent cluster-randomized trials.…

The authors of this article consider how education researchers can improve school violence and school safety research by (a) examining gaps in theoretical, conceptual, and basic research on the phenomena of school violence; (b) reviewing key issues in the design and evaluation of evidence-based practices to prevent school violence; and (c)…