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Empirical Power and Sample Size Calculations for Cluster-Randomized and Cluster-Randomized Crossover Studies
In recent years, the number of studies using a cluster-randomized design has grown dramatically. In addition, the cluster-randomized crossover design has been touted as a methodological advance that can increase efficiency of cluster-randomized studies in certain situations. While the cluster-random...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Public Library of Science
2012
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3338707/ https://www.ncbi.nlm.nih.gov/pubmed/22558168 http://dx.doi.org/10.1371/journal.pone.0035564 |