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 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.
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.
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.
Learning from the Jobs-Plus Demonstration
New Directions in Evaluations of American Welfare-to-Work and Employment Initiatives
Methodological Lessons from an Evaluation of Accelerated Schools
The Effects of Program Management and Services, Economic Environment, and Client Characteristics