A randomised trial and economic evaluation of the effect of response mode on response rate, response bias, and item non-response in a survey of doctors
Anthony Scott, Sung-Hee Jeon, Catherine M Joyce, John S Humphreys, Guyonne Kalb, Julia Witt, Anne Leahy
BMC Medical Research Methodology | BIOMED CENTRAL LTD | Published : 2011
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Awarded by National Health and Medical Research Council
Funding was provided from a National Health and Medical Research Council Health Services Research Grant (454799) and the Commonwealth Department of Health and Ageing. None of the funders had a role in the data collection, analysis, interpretation or writing of this paper. The views in this paper are those of the authors alone. We thank the doctors who gave their valuable time to participate in MABEL, and the other members of the MABEL team for data cleaning and comments on drafts of this paper: Terence Cheng, Daniel Kuehnle, Matthew McGrail, Michelle McIsaac, Stefanie Schurer, Durga Shrestha and Peter Sivey. The study was approved by the University of Melbourne Faculty of Economics and Commerce Human Ethics Advisory Group (Ref. 0709559) and the Monash University Standing Committee on Ethics in Research Involving Humans (Ref. CF07/1102 - 2007000291). De-identified data from MABEL are available from http://www.mabel.org.au.