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…

Why, when so many educational interventions demonstrate positive impact in tightly controlled efficacy trials, are null results common in follow-up effectiveness trials? Using case studies from literacy, this article suggests that replication failure can surface hidden moderators--contextual differences between an efficacy and an effectiveness…

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 widely publicized opposition to the implementation of the Common Core State Standards (CCSS) is in marked contrast to its relatively uncontroversial development and adoption--a contrast that points to the importance of understanding how the politics of enactment differs from the politics of implementation. In this article, we draw on the…

Both the Common Core State Standards (CCSS) and recent efforts to hold schools and teachers accountable have been hotly debated among practitioners, policymakers, and the public at large. Much of the debate centers on the merits and demerits of these initiatives and the general approach they represent to reforming teaching and learning. In this…

This brief documents the expansion of instructional specialist staffing in U.S. public school districts. We use data from the National Center of Education Statistics' annual Common Core of Data to chart staffing trends in public school districts between 1997-1998 and 2012-2013. The number of instructional specialists per 1,000 U.S students doubled…

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)…

This article describes elements of an approach to research and development called "design-based implementation research." The approach represents an expansion of design research, which typically focuses on classrooms, to include development and testing of innovations that foster alignment and coordination of supports for improving…

Describes some of the basic principles of total quality management (TQM) and its application to education. A case example of a principal's experience implementing TQM is presented, and implications for researchers and practitioners are drawn. Without critical dialog about purpose, TQM will worsen rather than improve educational inequalities. (SLD)