This study evaluated the effectiveness of four supplemental reading comprehension programs in helping disadvantaged fifth graders improve reading comprehension. The study, supported by the Institute of Education Sciences in the U.S. Department of Education and conducted over the course of two...

This working paper reviews impacts of the Electronic Health Records Demonstration implemented by the Centers for Medicare & Medicaid Services, finding that moderate incentive payments did not lead to universal electronic health record (EHR) adoption and use in a two-year time frame. However, the...

Do private school vouchers have an impact on students’ achievement? A recent reanalysis of our 2002 report on an evaluation of the School Choice Scholarships Foundation program in New York City provides more information to inform the debate. In these comments presented at the National Press...

This paper studies inference for the average treatment effect in randomized controlled trials where treatment status is determined according to a "matched pairs" design. By a "matched pairs" design, we mean that units are sampled i.i.d. from the population of interest, paired according to...