doi: 10.1038/sj.ebd.6400356.
Study design II. Issues of chance, bias, confounding and contamination
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- PMID: 16355244
- DOI: 10.1038/sj.ebd.6400356
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Study design II. Issues of chance, bias, confounding and contamination
Evid Based Dent.
2005.
Abstract
In the first article in the series I explained the importance of study design and gave an overview of the main types of design. Here, I describe the ways in which the results of a study may deviate from the truth and the measures that can be taken to help minimise this when designing a study.
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