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Effect Size Guidelines, Sample Size Calculations, and Statistical Power in Gerontology
BACKGROUND AND OBJECTIVES: Researchers typically use Cohen’s guidelines of Pearson’s r = .10, .30, and .50, and Cohen’s d = 0.20, 0.50, and 0.80 to interpret observed effect sizes as small, medium, or large, respectively. However, these guidelines were not based on quantitative estimates and are onl...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Oxford University Press
2019
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6736231/ https://www.ncbi.nlm.nih.gov/pubmed/31528719 http://dx.doi.org/10.1093/geroni/igz036 |