Search Results Use the search box below to revise your search, or start a new search. Studies (18) 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: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. Monitoring the Future: A Continuing Study of American Youth (12th-Grade Survey), 2014 (ICPSR 36263) Johnston, Lloyd D.; Bachman, Jerald G.; O'Malley, Patrick M.; et al. 1 more result in Monitoring the Future (MTF) Series 2. National Household Survey on Drug Abuse, 1979 (ICPSR 6843) United States Department of Health and Human Services. National Institutes of Health. National Institute on Drug Abuse 13 more results in National Survey on Drug Use and Health (NSDUH) Series 3. Schools and Families Educating (SAFE) Children Study [Chicago, IL]: 1997-2008 (ICPSR 34368) Tolan, Patrick; Gorman-Smith, Deborah; Henry, David; et al. 4. Youth Development Study, 1988-2011 [St. Paul, Minnesota] (ICPSR 24881) Mortimer, Jeylan T.