Matching | Understanding Medical Research

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Matching pairs each exposed person in an observational study with an unexposed person who looks like them, then follows both. This video covers why matching removes a confounder, what it cannot do about unmeasured ones, and the trap of over-matching. Chapters: 00:00 Matching as specialized adjustment 00:27 Speed dating for narcissists 03:17 Induction of labor and C-sections 05:44 How the matched study worked 07:44 What matching cannot fix 09:16 When matching is worth it 10:06 Over-matching 11:18 Take-home points Learning objectives: After watching, you'll be able to: - Describe how matching in an observational study removes a measured factor as a confounder - Examine a matched study for unmatched participants and the population its results actually apply to - Identify over-matching when a matching variable sits causally downstream of the exposure 📺 Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNewVyTec_MVGxIbNSEeMhEsZ 🎓 Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/medical-research 🌐 Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/understanding-medical-research-your-facebook-friend-wrong

Published 2020-07-31 · Watch on YouTube ↗
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