Journal article
Effect of numbering of return envelopes on participation, explicit refusals, and bias: experiment and meta-analysis
Abstract
BackgroundTracing mail survey responses is useful for the management of reminders but may cause concerns about anonymity among prospective participants. We examined the impact of numbering return envelopes on the participation and the results of a survey on a sensitive topic among hospital staff.MethodsIn a survey about regrets associated with providing healthcare conducted among hospital-based doctors and nurses, two randomly drawn subsamples …
Authors
Perneger TV; Cullati S; Rudaz S; Agoritsas T; Schmidt RE; Combescure C; Courvoisier DS
Journal
BMC Medical Research Methodology, Vol. 14, No. 1,
Publisher
Springer Nature
Publication Date
12 2014
DOI
10.1186/1471-2288-14-6
ISSN
1471-2288