Statistical Brain Teasers | Understanding Medical Research

Statistical paradoxes in medical research hide in plain sight. This video covers Berkson's bias, the Will Rogers phenomenon, stratified versus overall results, the Hawthorne effect, survivor bias, regression to the mean, and confounding by indication. Chapters: 00:00 Statistical brain teasers 00:40 Berkson's bias and dating 04:35 The Will Rogers phenomenon 07:23 Stratified versus overall results 11:21 The Hawthorne effect 13:10 Helmets and survivor bias 15:50 Regression to the mean 17:17 Confounding by indication and wrap-up Learning objectives: After watching, you'll be able to: - Describe Berkson's bias, the Will Rogers phenomenon, the Hawthorne effect, survivor bias, and regression to the mean - Explain why results stratified by stage or severity can disagree with the overall result - Examine a non-randomized study for enrollment thresholds, observation effects, and selection that could explain its findings 📺 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