Study Search Results Your query returned 3 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. Growth of American Families, 1960 (ICPSR 20001) Whelpton, Pascal K.; Campbell, Arthur A.; Patterson, John E. 2. National Couples Survey, 2005-2006 (ICPSR 24384) Grady, William R.; Billy, John O.G.; Klepinger, Daniel H.; et al. 3. Welfare, Children, and Families: A Three-City Study (ICPSR 4701) Angel, Ronald; Burton, Linda; Chase-Lansdale, P. Lindsay; et al.