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Costs and Efficiency of Online and Offline Recruitment Methods: A Web-Based Cohort Study
BACKGROUND: The Internet is widely used to conduct research studies on health issues. Many different methods are used to recruit participants for such studies, but little is known about how various recruitment methods compare in terms of efficiency and costs. OBJECTIVE: The aim of our study was to c...
Autores principales: | Christensen, Tina, Riis, Anders H, Hatch, Elizabeth E, Wise, Lauren A, Nielsen, Marie G, Rothman, Kenneth J, Toft Sørensen, Henrik, Mikkelsen, Ellen M |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
JMIR Publications
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5352857/ https://www.ncbi.nlm.nih.gov/pubmed/28249833 http://dx.doi.org/10.2196/jmir.6716 |
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