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The Effect of Cluster Size Variability on Statistical Power in Cluster-Randomized Trials
The frequency of cluster-randomized trials (CRTs) in peer-reviewed literature has increased exponentially over the past two decades. CRTs are a valuable tool for studying interventions that cannot be effectively implemented or randomized at the individual level. However, some aspects of the design a...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Public Library of Science
2015
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4382318/ https://www.ncbi.nlm.nih.gov/pubmed/25830416 http://dx.doi.org/10.1371/journal.pone.0119074 |