David Blazar
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Localized Teacher Recruitment Through “Grow‐Your‐Own”: Impacts of the High School Teacher Academy of Maryland Program Open
Recruiting teachers via “grow‐your‐own” (GYO) programs is a popular, yet rarely evaluated, strategy for addressing local workforce shortages and ensuring that incoming teachers resemble, understand, and have strong connections to their com…
Teacher Coaching to Improve Instruction at Scale: Opportunities and Challenges in Policy Contexts Open
Background/Context Teacher coaching, defined by sustained observation and feedback cycles, has a longstanding theory of action that has held up to several rigorous evaluations in recent years. Policymakers and practitioners have taken note…
Balancing Rigor, Replication, and Relevance: A Case for Multiple-Cohort, Longitudinal Experiments Open
Over the past 15 years, the education research community has advocated for rigorous research designs that support causal inferences, for research that provides more generalizable results across settings, and for the value of research-pract…
Can Video Technology Improve Teacher Evaluations? An Experimental Study Open
Teacher evaluation reform has been among the most controversial education reforms in recent years. It also is one of the costliest in terms of the time teachers and principals must spend on classroom observations. We conducted a randomized…
Teacher and Teaching Effects on Students’ Attitudes and Behaviors Open
Research has focused predominantly on how teachers affect students’ achievement on standardized tests despite evidence that a broad range of attitudes and behaviors are equally important to their long-term success. We find that upper-eleme…
Teacher and Teaching Effects on Students' Academic Performance, Attitudes, and Behaviors Open
Research confirms that teachers have substantial impacts on their students’ academic and life-long success. However, little is known about specific dimensions of teaching practice that explain these relationships or whether these effects d…