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Recommendations in pre-registrations and internal review board proposals promote formal power analyses but do not increase sample size
In this preregistered study, we investigated whether the statistical power of a study is higher when researchers are asked to make a formal power analysis before collecting data. We compared the sample size descriptions from two sources: (i) a sample of pre-registrations created according to the gui...
| Autores principales: | , , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Public Library of Science
2020
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7394423/ https://www.ncbi.nlm.nih.gov/pubmed/32735597 http://dx.doi.org/10.1371/journal.pone.0236079 |