Parametric versus non-parametric statistics in the analysis of randomized trials with non-normally distributed data
<p>Abstract</p> <p>Background</p> <p>It has generally been argued that parametric statistics should not be applied to data with non-normal distributions. Empirical research has demonstrated that Mann-Whitney generally has greater power than the <it>t</it>-te...
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Format: | Article |
Language: | English |
Published: |
BMC
2005-11-01
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Series: | BMC Medical Research Methodology |
Online Access: | http://www.biomedcentral.com/1471-2288/5/35 |