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Sample size determinations for group-based randomized clinical trials with different levels of data hierarchy between experimental and control arms

We derived sample size formulae for detecting main effects in group-based randomized clinical trials with different levels of data hierarchy between experimental and control arms. Such designs are necessary when experimental interventions need to be administered to groups of subjects whereas control...

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Detalhes bibliográficos
Publicado no:Stat Methods Med Res
Main Authors: Heo, Moonseong, Litwin, Alain H., Blackstock, Oni, Kim, Namhee, Arnsten, Julia H.
Formato: Artigo
Idioma:Inglês
Publicado em: 2016
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC4329103/
https://ncbi.nlm.nih.gov/pubmed/25125453
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1177/0962280214547381
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