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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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Bibliografische gegevens
Hoofdauteurs: Edwards, Phil, Roberts, Ian, Clarke, Mike, DiGuiseppi, Carolyn, Pratap, Sarah, Wentz, Reinhard, Kwan, Irene
Formaat: Artigo
Taal:Inglês
Gepubliceerd in: BMJ 2002
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Online toegang:https://ncbi.nlm.nih.gov/pmc/articles/PMC111107/
https://ncbi.nlm.nih.gov/pubmed/12016181
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