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.
MDRC’s research on Career Academies, First Things First, Project GRAD, and Talent Development suggests that the twin pillars of high school reform are structural changes to improve personalization and instructional improvement.
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.
Findings and Lessons from First Things First
First Things First, a comprehensive school reform initiative, increased student achievement in Kansas City, Kansas, the first school district to adopt the reform model. It is not yet clear if First Things First is working in four other school districts in which it has been replicated.