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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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Hlavní autoři: Bacchetti, Peter, McCulloch, Charles E., Segal, Mark R.
Médium: Artigo
Jazyk:Inglês
Vydáno: 2008
Témata:
On-line přístup: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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