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Parametric versus non-parametric statistics in the analysis of randomized trials with non-normally distributed data
BACKGROUND: 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 t-test unless data are sampled from the normal. In the case of randomized trials...
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| Formato: | Texto |
| Lenguaje: | English |
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BioMed Central
2005
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1310536/ https://www.ncbi.nlm.nih.gov/pubmed/16269081 http://dx.doi.org/10.1186/1471-2288-5-35 |