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 ...

A randomized controlled trial of a community health worker intervention in a population of patients with multiple chronic diseases: study design and protocol. Contemp Clin Trials. 2017;53:115–21.

We conducted this phase 2, multicenter, randomized, double-blind, placebo-controlled trial in the United States (see the Supplementary Appendix, available with the full text of this article at ...

In part because randomized trials – in which you recruit two statistically identical groups, choose one of them to get a treatment, and then compare what happens to each group – are expensive ...