To test or not to test: Preliminary assessment of normality when comparing two independent samples

BACKGROUND: Student’s two-sample t test is generally used for comparing the means of two independent samples, for example, two treatment arms. Under the null hypothesis, the t test assumes that the two samples arise from the same normally distributed population with unknown variance. Adequate contro...

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Detalles Bibliográficos
Autores principales: Rochon, Justine, Gondan, Matthias, Kieser, Meinhard
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2012
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3444333/
https://www.ncbi.nlm.nih.gov/pubmed/22712852
http://dx.doi.org/10.1186/1471-2288-12-81

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3444333/
https://www.ncbi.nlm.nih.gov/pubmed/22712852
http://dx.doi.org/10.1186/1471-2288-12-81

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