The last in my three-part series on the limitations of randomized controlled trials (RCTs) is still in the works. In the meantime, here’s XKCD* on the dangers of atheoretical, post-hoc subgroup analysis.

Significant

* XKCD: The unofficial web comic of international development nerds. See also here (about statistics), here (about local ownership), and here (about physicists, but also economists).

  1. I am with you on this one … doing research makes me less confident in research.

    Reply

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