And once enough researchers have run their own RCTs, you can gather data via meta analysis, measuring results across multiple trials to see basically whether a treatment works, and how well it does, across a variety of settings.

一旦足够多的研究人员运行了他们自己的随机对照试验，您就可以通过荟萃分析收集数据， 测量多个试验的结果， 以从根本上了解一种治疗是否有效，以及它在各种情况下的效果如何。