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Conditional versus non-conditional incentives to maximise return of participant completed questionnaires in clinical trials: a cluster randomised study within a trial
BACKGROUND: High participant retention enhances the validity of clinical trials. A monetary incentive can increase retention, but it is not known if when it is provided and if it is conditional matters. We aimed to determine whether there was a difference in the number of follow-up trial questionnai...
Autores principales: | Cook, Johanna, Cook, Jonathan A., Bongard, Emily, Heneghan, Carl, Butler, Chris C. |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10629007/ https://www.ncbi.nlm.nih.gov/pubmed/37936228 http://dx.doi.org/10.1186/s13063-023-07604-6 |
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