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Journal Article ECONOMICAL INCENTIVE USED FOR MAIL QUESTIONNAIRE Get access JOSEPH C. BEVIS JOSEPH C. BEVIS Opinion Research Corporation Search for other works by this author on: Oxford Academic Google Scholar Public Opinion Quarterly, Volume 12, Issue 3, FALL 1948, Pages 492–493, https://doi.org/10.1086/265984 Published: 01 January 1948
Joseph C. Bevis (Thu,) studied this question.