Using an alternative to classical statistics, this paper reanalyzes results from three published studies of interventions to increase employment and reduce welfare dependency. The analysis formally incorporates prior beliefs about the interventions, characterizing the results in terms of the distribution of possible effects, and generally confirms the earlier published findings.
Publications
Final Results of the Hard-to-Employ Demonstration and Evaluation Project and Selected Sites from the Employment Retention and Advancement Project

A rigorous study that takes advantage of lottery-like features in New York City’s high school admissions process demonstrates that new small public high schools that are open to students of all academic backgrounds have substantial impacts on rates of graduation with Regents diplomas for every disadvantaged subgroup of students that was examined.