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Sample size calculations for stepped wedge trials using design effects are only approximate in some circumstances
ABSTRACT: Estimation of sample size and power for stepped wedge cluster randomised trials can be determined by one of a number of related methods. These include exact analytical approaches, design effects or simulation. A recent paper compared the design effect to the analytical method. There were s...
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| Publicado no: | Trials |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
BioMed Central
2016
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4857282/ https://ncbi.nlm.nih.gov/pubmed/27146064 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s13063-016-1359-4 |
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