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Can targeted cover letters improve participation in health surveys? Results from a randomized controlled trial
BACKGROUND: Improving response rates in epidemiologic studies is important for the generalizability of the outcome. The aim of this study was to examine whether it can be advantageous for participation to target different versions of the cover letters to different sample subgroups. METHODS: A random...
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/PMC6635988/ https://www.ncbi.nlm.nih.gov/pubmed/31315577 http://dx.doi.org/10.1186/s12874-019-0799-4 |