Policy-makers are frequently interested in understanding how effective a particular intervention may be for a specific (and often broad) population. In many fields, particularly education and social welfare, the ideal form of these evaluations is a large-scale randomized experiment. Recent research has highlighted that sites in these large-scale…

Extensive testing data from federal, state, and private sources indicate that Indiana students underperform their peers in most other states. Contrary to conventional wisdom, the shortcomings of Indiana students relative to students elsewhere are most severe among students from middle- and upper-income families. Forty percent of 3rd-graders, 52…