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Review
. 2013;157(40):A6497.

[Three Types of Bias: Distortion of Research Results and How That Can Be Prevented]

[Article in Dutch]
Affiliations
  • PMID: 25714762
Review

[Three Types of Bias: Distortion of Research Results and How That Can Be Prevented]

[Article in Dutch]
Rolf H H Groenwold. Ned Tijdschr Geneeskd. .

Abstract

A systematic distortion of the relationship between a treatment, risk factor or exposure and clinical outcomes is denoted by the term 'bias'. Three types of bias can be distinguished: information bias, selection bias, and confounding. These three types of bias and their potential solutions are discussed using various examples.

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