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A simple ratio-based approach for power and sample size determination for 2-group comparison using Rasch models
BACKGROUND: Despite the widespread use of patient-reported Outcomes (PRO) in clinical studies, their design remains a challenge. Justification of study size is hardly provided, especially when a Rasch model is planned for analysing the data in a 2-group comparison study. The classical sample size fo...
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| Main Authors: | , , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
BioMed Central
2014
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4105835/ https://ncbi.nlm.nih.gov/pubmed/24996957 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1471-2288-14-87 |
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