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., Klein, L., Kim, Y., & Day, B. (2013). Effects of Mailed Versus E-mailed Invitations and Incentives on Response Rates and Costs in a Web Survey of Faculty and University Administrators. Social Science Computer Review.