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Improving participation rates by providing choice of participation mode: two randomized controlled trials

BACKGROUND: Low participation rates reduce effective sample size, statistical power and can increase risk for selection bias. Previous research suggests that offering choice of participation mode can improve participation rates. However, few head-to-head trials compared choice of participation mode...

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Detalhes bibliográficos
Publicado no:BMC Med Res Methodol
Main Authors: Heijmans, Naomi, van Lieshout, Jan, Wensing, Michel
Formato: Artigo
Idioma:Inglês
Publicado em: BioMed Central 2015
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC4392857/
https://ncbi.nlm.nih.gov/pubmed/25886757
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s12874-015-0021-2
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