Effects of Sequential Prepaid Incentives and Envelope Messaging in Mail Surveys

Dykema, J., K. Zoladz, K. Cyffka, N. Assad, R. Ganci Hammers, K. Elver, K. C. Malecki, and J. Stevenson. Effects of Sequential Prepaid Incentives and Envelope Messaging in Mail Surveys. Vol. 79, no. 4, Public Opinion Quarterly, 2015, pp. 906-31.
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