Increasing response rates to postal questionnaires: systematic review

OBJECTIVE: To identify methods to increase response to postal questionnaires. DESIGN: Systematic review of randomised controlled trials of any method to influence response to postal questionnaires. STUDIES REVIEWED: 292 randomised controlled trials including 258 315 participants INTERVENTION REVIEWE...

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Pubblicato in:	BMJ
Autori principali:	Edwards, Phil, Roberts, Ian, Clarke, Mike, DiGuiseppi, Carolyn, Pratap, Sarah, Wentz, Reinhard, Kwan, Irene
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	BMJ Publishing Group 2002
Soggetti:	Papers
Accesso online:	https://ncbi.nlm.nih.govhttps://pmc.ncbi.nlm.nih.gov/articles/PMC111107/ https://ncbi.nlm.nih.govhttps://pubmed.ncbi.nlm.nih.gov/12016181/ https://ncbi.nlm.nih.govhttps://doi.org/10.1136/bmj.324.7347.1183
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