Study Search Results Your query returned 8 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. 21st Century Americanism: Nationally Representative Survey of the United States Population, 2004 (ICPSR 27601) Schildkraut, Deborah; Grosse, Ashley 2. American Community Survey (ACS): Three-Year Public Use Microdata Sample (PUMS), 2005-2007 (ICPSR 25042) United States Department of Commerce. Bureau of the Census 3. Iowa Youth and Families Project, 1989-1992 (ICPSR 26721) Conger, Rand D.; Lasley, Paul; Lorenz, Frederick O.; et al. 4. Longitudinal Study of Generations, 1971, 1985, 1988, 1991, 1994, 1997, 2000 [California] (ICPSR 22100) Bengtson, Vern L. 5. Longitudinal Study of Generations, 1971, 1985, 1988, 1991, 1994, 1997: [California] (ICPSR 4076) Bengtson, Vern L. 6. National Longitudinal Survey of Older and Young Men (ICPSR 34937) Ohio State University. Center for Human Resource Research 7. Panel Study of Income Dynamics, 1968-1999: Supplemental Files (ICPSR 3202) Hofferth, Sandra; Stafford, Frank P.; Yeung, Wei-Jun J.; et al. 8. Urban Poverty and Family Life Survey of Chicago, 1987 (ICPSR 6258) Wilson, William Julius, et al.