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Journal Article ELECTION SURVEY PROCEDURES OF THE GALLUP POLL Get access PAUL PERRY PAUL PERRY *The author is president of the Gallup Organization, Inc., and research director of the Gallup Poll Search for other works by this author on: Oxford Academic Google Scholar Public Opinion Quarterly, Volume 24, Issue 3, FALL 1960, Pages 531–542, https://doi.org/10.1086/266966 Published: 01 January 1960
Paul Perry (Fri,) studied this question.