Components of variance in a multicentre functional MRI study and implications for calculation of statistical power

This article firstly presents a theoretical analysis of the statistical power of a parallel‐group, repeated‐measures (two‐session) and two‐centre design suitable for a placebo‐controlled pharmacological MRI study. For arbitrary effect size, power is determined by the pooled between‐session error, th...

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Publicado en:Hum Brain Mapp
Autores principales: Suckling, John, Ohlssen, David, Andrew, Christopher, Johnson, Glyn, Williams, Steven C.R., Graves, Martin, Chen, Chi‐Hua, Spiegelhalter, David, Bullmore, Ed
Formato: Artigo
Lenguaje:Inglês
Publicado: Wiley Subscription Services, Inc., A Wiley Company 2007
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Research Articles
Acceso en línea:https://ncbi.nlm.nih.gov/pmc/articles/PMC6871081/
https://ncbi.nlm.nih.gov/pubmed/17680602
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1002/hbm.20451
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