Biostatistics: Bias and Study Errors | USMLE Step 1 Crash Course (FA 2020)

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Bias is problem in many studies, and it's very important to keep studies as objective as possible. In this video, we'll be talking about some important biases a medical student should know and how to reduce the risk of them happening in a study.

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📝 Content:
00:10 Selection Bias
04:10 Recall Bias
05:58 Measurement Bias
08:59 Procedure Bias and Observer-Expectancy Bias
10:57 Confounding Bias (vs. Effect Modification)
17:52 Lead-Time Bias
19:37 Length-Time Bias

📝 Notes/Errata:
1) None; please comment if you found an inconsistency and I'll be sure to add it here along with the time stamp!

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🙋🏻‍♂️ Who am I?
I'm Khaled, a final-year medical student, and I make videos on quite a few different topics within the scope of medicine such as reacting and breaking down medical shows, studying for exams, discussing important health issues, etc... I hope that my videos help you in any way, shape, or form and that you enjoy them regardless of your background.

Medicine is quite the challenging topic, but I don't see why we can't enjoy it together!

Disclaimer: The information and education material contained herein is meant to promote the general understanding of medical topics by healthcare professionals and related parties. Such information is not meant or intended to serve as a substitute for a healthcare professional's clinical training, experience, or judgment. For patient’s care or regarding your own health please consult your doctor or refer to the most recent evidence based practice.