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. 2007;8(1):22-3.
doi: 10.1038/sj.ebd.6400473.

Study design VII. Randomised controlled trials

Kate Ann Levin  1
Affiliations

Study design VII. Randomised controlled trials

Kate Ann Levin. Evid Based Dent. 2007.

Abstract

Previously in this series, I have given an overview of the main types of study design and the techniques used to minimise the likelihood of obtaining biased results. In this article I describe more fully randomised controlled trials, their uses, advantages and limitations.

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