No universal guideline exists for judging the practical importance of a standardized effect size, a measure of the magnitude of an intervention’s effects. This working paper argues that effect sizes should be interpreted using empirical benchmarks — and presents three types in the context of education research.
This “snapshot,” published by the National High School Center, explains how Thomas A. Edison High School in Philadelphia implemented a Ninth-Grade Success Academy.
This policy brief, published by the National High School Center, focuses on five key challenges that states, districts, and schools should address to support a successful transition into high school.
This issue brief, published by the National High School Center, suggests that transitions into high school can be eased when both structural and specialized curricula reforms are in place.
Empirical Guidance for Studies That Randomize Schools to Measure the Impacts of Educational Interventions
This paper examines how controlling statistically for baseline covariates (especially pretests) improves the precision of studies that randomize schools to measure the impacts of educational interventions on student achievement.
Relying on 427 classroom observations conducted over a three-year period, this study traces changes in teachers’ instructional practices in the First Things First schools.