This paper provides practical guidance for researchers who are designing studies that randomize groups to measure the impacts of educational interventions.
Publications
Methodology
December, 2009
Methodology
Empirical Guidance for Studies That Randomize Schools to Measure the Impacts of Educational Interventions
November, 2005
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.
Methodology
Methodological Lessons from an Evaluation of Accelerated Schools
October, 2001