The effect of using social pressure in cover letters to improve retention in a longitudinal health study: an embedded randomised controlled retention trial

BACKGROUND: Retention of participants in cohort studies is important for validity. One way to promote retention is by sending a persuasive cover letter with surveys. The study aimed to compare the effectiveness of a covering letter containing social pressure with a standard covering letter on retent...

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Detalles Bibliográficos
Autores principales: Cotterill, Sarah, Howells, Kelly, Rhodes, Sarah, Bower, Peter
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2017
Materias:
Research
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5520383/
https://www.ncbi.nlm.nih.gov/pubmed/28728603
http://dx.doi.org/10.1186/s13063-017-2090-5

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5520383/
https://www.ncbi.nlm.nih.gov/pubmed/28728603
http://dx.doi.org/10.1186/s13063-017-2090-5

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