Jens Hainmueller, Duncan Lawrence, Justin Gest, Michael Hotard, Rey Koslowski, David D. Laitin, A randomized controlled design reveals barriers to citizenship for low-income immigrants, Proceedings of ...

Methods: A randomized controlled design was used, and a total of 279 adolescents were assessed. Fifty-seven adolescents, between 13 and 16 years old, were allocated to individual cognitive therapy, ...

In the early 90s, when a young economist named Michael Kremer finished his PhD, there had been a few economic studies based on randomized trials. But they were rare. In part because randomized ...