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Study invitations with envelopes made from recycled paper do not increase likelihood of active responses or study participation in the German National Cohort
OBJECTIVE: We conducted a trial embedded within the German National Cohort comparing the responses to study invitations sent in recycled envelopes of grey color vs. envelopes of white color. We analyzed paradata for reactions to the invitation letters by potential subjects, the duration between mail...
| Autores principales: | , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2019
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6670214/ https://www.ncbi.nlm.nih.gov/pubmed/31366371 http://dx.doi.org/10.1186/s13104-019-4510-y |