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Principles of sample size calculation
In most areas in life, it is difficult to work with populations and hence researchers work with samples. The calculation of the sample size needed depends on the data type and distribution. Elements include consideration of the alpha error, beta error, clinically meaningful difference, and the varia...
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Medknow Publications
2010
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| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2993982/ https://ncbi.nlm.nih.gov/pubmed/20952836 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.4103/0301-4738.71692 |
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