Study Search Results Your query returned 5 results. Series results are grouped under the most relevant study. You can ungroup series results. Use the search box below to revise your search, or start a new search. Results per page: 25 50 100 Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Most Downloaded (?) Study Title/Investigator 1. Americans View Their Mental Health, 1957 (ICPSR 3503) Gurin, Gerald; Veroff, Joseph; Feld, Sheila 2. English Language Proficiency Study (ELPS), 1982: [United States] (ICPSR 8974) United States Department of Commerce. Bureau of the Census 3. Midlife Development in the United States (MIDUS II): Milwaukee African American Sample, 2005-2006 (ICPSR 22840) Ryff, Carol; Almeida, David; Ayanian, John S.; et al. 8 more results in Midlife Development in the United States (MIDUS) Series 4. National Health Interview Survey on Disability, 1994: Phase II, Adult Followback (ICPSR 2568) United States Department of Health and Human Services. Centers for Disease Control and Prevention. National Center for Health Statistics 3 more results in National Health Interview Survey Series 5. Social Networks in Adult Life, 1980: [United States] (ICPSR 9254) Kahn, Robert L.; Antonucci, Toni C.