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. Longitudinal Study of Generations, 1971, 1985, 1988, 1991, 1994, 1997, 2000 [California] (ICPSR 22100) Bengtson, Vern L. 2. Longitudinal Study of Generations, 1971, 1985, 1988, 1991, 1994, 1997: [California] (ICPSR 4076) Bengtson, Vern L. 3. National Survey of Midlife Development in the United States (MIDUS), 1995-1996 (ICPSR 2760) Brim, Orville G.; Baltes, Paul B.; Bumpass, Larry L.; et al. 2 more results in Midlife Development in the United States (MIDUS) Series 4. Project on Human Development in Chicago Neighborhoods (PHDCN): Provision of Social Relations (Primary Caregiver), Wave 1, 1994-1995 (ICPSR 13597) Earls, Felton J.; Brooks-Gunn, Jeanne; Raudenbush, Stephen W.; et al. 3 more results in Project on Human Development in Chicago Neighborhoods (PHDCN) Series 5. Swedish Adoption/Twin Study on Aging (SATSA), 1984, 1987, 1990, and 1993 (ICPSR 3843) Pedersen, Nancy L.