Search Results Use the search box below to revise your search, or start a new search. Studies (6) Variables Publications Your query returned 2 studies. Series results are grouped under the most relevant study. Ungroup series results to view all results. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. General Social Survey, 1972-2010 [Cumulative File] (ICPSR 31521) Smith, Tom W.; Marsden, Peter V.; Hout, Michael 4 more results in General Social Survey Series 2. Iowa Youth and Families Project, 1989-1992 (ICPSR 26721) Conger, Rand D.; Lasley, Paul; Lorenz, Frederick O.; et al.