Third Time’s a Charm? Analysis of the Effect of Sending a Third Questionnaire for Mail Surveys

Stevenson, J., L. Witt-Swanson, J. Dykema, and N. Assad. Third Time’s a Charm? Analysis of the Effect of Sending a Third Questionnaire for Mail Surveys. Paper presented at the annual meeting of the Midwest Association for Public Opinion Research, November, Chicago, IL. (An earlier version of this paper was presented at the International Field Directors & Technologies Conference, 2019, Montreal, Canada.), 2019.
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