Search Results Use the search box below to revise your search, or start a new search. Studies (5) Variables Publications Your query returned 4 studies. Series results are grouped under the most relevant study. Ungroup series results to view all results. Sort by: Study Relevance Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Variable Relevance 1. Survey and Assessment of Vietnamese Youth (SAVY), 2003 (ICPSR 24387) Vietnamese Ministry of Health; General Statistics Office of Vietnam 2. General Social Survey, 1972-2014 [Cumulative File] (ICPSR 36319) Smith, Tom W.; Hout, Michael; Marsden, Peter V. 1 more result in General Social Survey Series 3. National Longitudinal Study of Adolescent to Adult Health (Add Health), 1994-2008 [Public Use] (ICPSR 21600) Harris, Kathleen Mullan; Udry, J. Richard 4. Iowa Youth and Families Project, 1989-1992 (ICPSR 26721) Conger, Rand D.; Lasley, Paul; Lorenz, Frederick O.; et al.