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Journal Article Measuring and Explaining Interviewer Effects in Centralized Telephone Surveys Get access Robert M. Groves, Robert M. Groves Search for other works by this author on: Oxford Academic Google Scholar Lou J. Magilavy Lou J. Magilavy Search for other works by this author on: Oxford Academic Google Scholar Public Opinion Quarterly, Volume 50, Issue 2, Summer 1986, Pages 251–266, https://doi.org/10.1086/268979 Published: 01 January 1986
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Groves et al. (1986) studied this question.
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