GPH 39: Validity and Bias in Epidemiological Research

from Clinical Deep Dives · host Dr Manaan Kar Ray

This is a free preview of a paid episode. To hear more, visit drmanaankarray.substack.comEvery epidemiological finding must answer a deeper question: is it true?This chapter examines the foundations of validity in epidemiological research. It distinguishes between random error and systematic error, and it dissects the principal forms of bias that threaten inference.We explore:* Internal validity versus external validity* Selection bias* Informati…

Episode metadata supplied by the publisher feed · Published Mar 20, 2026

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GPH 39: Validity and Bias in Epidemiological Research

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