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Journal Article Participants and Drop-outs in a Longitudinal Study Get access Gordon F. Streib, Ph.D. Gordon F. Streib, Ph.D. 2Department Of Sociology, Cornell UniversityIthaca, New York. Search for other works by this author on: Oxford Academic PubMed Google Scholar Journal of Gerontology, Volume 21, Issue 2, April 1966, Pages 200–209, https://doi.org/10.1093/geronj/21.2.200 Published: 01 April 1966
Gordon F. Streib (Fri,) studied this question.