A Comparison of Small Monetary Incentives to Convert Survey Non-Respondents: A Randomized Control Trial

Griffin, J. M., A. Baines Simon, E. Hulbert, J. Stevenson, J. P. Grill, S. Noorbaloochi, and M. R. Partin. A Comparison of Small Monetary Incentives to Convert Survey Non-Respondents: A Randomized Control Trial. Vol. 11, no. 81, BMC Medical Research Methodology, 2011.
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