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Simple, Defensible Sample Sizes Based on Cost Efficiency
The conventional approach of choosing sample size to provide 80% or greater power ignores the cost implications of different sample size choices. Costs, however, are often impossible for investigators and funders to ignore in actual practice. Here, we propose and justify a new approach for choosing...
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| Main Authors: | , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2008
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2769573/ https://ncbi.nlm.nih.gov/pubmed/18482055 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1111/j.1541-0420.2008.01004_1.x |
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