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Journal Article Concept Problem Solving in Young and Old Adults Get access David Arenberg, Ph.D. David Arenberg, Ph.D. 1Gerontology Research Center, National Institute of Child Health and Human Development, National Institutes of Health, PHS, U.S. Department of Health, Education & Welfare, Bethesda, and the Baltimore City HospitalsBaltimore, Maryland Search for other works by this author on: Oxford Academic PubMed Google Scholar Journal of Gerontology, Volume 23, Issue 3, July 1968, Pages 279–282, https://doi.org/10.1093/geronj/23.3.279 Published: 01 July 1968
Douglas A. Arenberg (Mon,) studied this question.