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Power for tests of interaction: effect of raising the Type I error rate

BACKGROUND: Power for assessing interactions during data analysis is often poor in epidemiologic studies. This is because epidemiologic studies are frequently powered primarily to assess main effects only. In light of this, some investigators raise the Type I error rate, thereby increasing power, wh...

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Detalhes bibliográficos
Autor principal: Marshall, Stephen W
Formato: Artigo
Idioma:Inglês
Publicado em: BioMed Central 2007
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC1910596/
https://ncbi.nlm.nih.gov/pubmed/17578572
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1742-5573-4-4
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