Study Search Results Your query returned 3 results. Series results are grouped under the most relevant study. You can ungroup series results. Results per page: 25 50 100 Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. (?) Study Title/Investigator 1. Monitoring the Future: A Continuing Study of American Youth (12th-Grade Survey), 2012 (ICPSR 34861) Johnston, Lloyd D.; Bachman, Jerald G.; O'Malley, Patrick M.; et al. 3 more results in Monitoring the Future (MTF) Series 2. PACARDO: Data on Drug Use and Behavior in School-Aged Children and Teenagers in Panama, Central America, and the Dominican Republic, 1999-2000 (ICPSR 34829) Anthony, James 3. Research on Pathways to Desistance [Maricopa County, AZ and Philadelphia County, PA]: Calendar Data, 2000-2010 [Restricted] (ICPSR 32282) Mulvey, Edward P.