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NBME 16 Answers

nbme16/Block 2/Question#41 (reveal difficulty score)
A case-control study is conducted to explore ...
Biased measurement of the exposure ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
tags: biostats

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 +2  upvote downvote
submitted by โˆ—cassdawg(1778)

Interviewing the subjects as a means of measuring the exposure introduces the risk of recall bias which would bias the measurement of the exposure. Recall bias occurs when individuals with a disease tend to recall exposure more in retrospective studies (FA2020 p260)

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topgunber  example: pregnant women who had a drink while pregnant and had a kid with birth defects much more likely to report drinking than a woman who drank and didn't have a kid with a birth defect. thats the example our epidemiology prof gave us over and over. +3

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submitted by โˆ—jdbraveheart(1)

Think of validity as the SYSTEM DESIGN of the study. What would compromise the system design --> biased exposure bc its subjective.

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