This paper provides practical guidance for researchers who are designing studies that randomize groups to measure the impacts of educational interventions.
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.
Methodological Lessons from an Evaluation of Accelerated Schools
New Directions in Evaluations of American Welfare-to-Work and Employment Initiatives
Planning for the Jobs-Plus Demonstration
Statistical Implications for the Evaluation of Education Programs