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...

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Publicat a:J Med Internet Res
Autors principals: Christensen, Tina, Riis, Anders H, Hatch, Elizabeth E, Wise, Lauren A, Nielsen, Marie G, Rothman, Kenneth J, Toft Sørensen, Henrik, Mikkelsen, Ellen M
Format: Artigo
Idioma:Inglês
Publicat: JMIR Publications 2017
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Original Paper
Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC5352857/
https://ncbi.nlm.nih.gov/pubmed/28249833
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.2196/jmir.6716
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