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- [5] Desirable and Undesirable Effects of Monetary Incentives in Mail Surveys [J]. METHODS DATA ANALYSES, 2009, 3 (02): : 167 - 185
- [9] The tea bag experiment: more evidence on incentives in mail surveys [J]. JOURNAL OF THE MARKET RESEARCH SOCIETY, 1998, 40 (04): : 347 - 351