DETECTION BIAS:

A general term to describe systematic differences between study groups in relation to ascertainment, assessment, diagnosis, or verification of outcomes¹. Detection Bias has many potential mechanisms and forms¹, thus it may act as a Selection Bias or Information Bias depending on the context. The term Detection Bias was also formally used to describe Berkson’s Bias². Also see: Verification Bias, Spectrum Bias, Information Bias, Selection Bias, and Berkson’s Bias.

Reference:

1. Porta M, ed. A Dictionary of Epidemiology. Sixth ed. New York, NY: Oxford University Press 2014. (Link to Reference)

2. Lash TL, VanderWeele TJ, Haneuse S, Rothman KJ. Modern Epidemiology. Fourth ed. Philadelphia, PA: Lippincott Williams & Wilkins 2020. (Link to Reference)