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Journal Article The Prediction of Social and Technological Events Get access A. KAPLAN, A. KAPLAN Search for other works by this author on: Oxford Academic Google Scholar A. L. SKOGSTAD, A. L. SKOGSTAD Search for other works by this author on: Oxford Academic Google Scholar M. A. GIRSHICK M. A. GIRSHICK Search for other works by this author on: Oxford Academic Google Scholar Public Opinion Quarterly, Volume 14, Issue 1, SPRING 1950, Pages 93–110, https://doi.org/10.1086/266153 Published: 01 January 1950
Kaplan et al. (Sun,) studied this question.