The promise of randomized controlled trials is that evidence gathered through the evaluation of a specific program helps us—possibly after several rounds of fine-tuning and multiple replications in different contexts—to inform policy. However, critics have pointed out that a potential...

The promise of randomized controlled trials is that evidence gathered through the evaluation of a specific program helps us--possibly after several rounds of fine-tuning and multiple replications in different contexts--to inform policy. However, critics have pointed out that a potential...