Effects of Mailed Versus E-mailed Invitations and Incentives on Response Rates and Costs in a Web Survey of Faculty and University Administrators

Dykema, J., J. Stevenson, L. Klein, Y. Kim, and B. Day. Effects of Mailed Versus E-Mailed Invitations and Incentives on Response Rates and Costs in a Web Survey of Faculty and University Administrators. Vol. 31, no. 3, Social Science Computer Review, 2013, pp. 359-70.
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