Search Results Use the search box below to revise your search, or start a new search. Studies (40) Variables Publications Your query returned 3 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. Center for Education and Drug Abuse Research (CEDAR): Etiological and Prospective Family Study in Southwestern Pennsylvania, Baseline Data, 1990-2011 (ICPSR 33444) Tarter, Ralph E. 2. Monitoring the Future: A Continuing Study of American Youth (12th-Grade Survey), 1995 (ICPSR 6716) Johnston, Lloyd D.; Bachman, Jerald G.; O'Malley, Patrick M. 37 more results in Monitoring the Future (MTF) Series 3. New Hope Project: Income and Employment Effects on Children and Families, 1994-2003 [Restricted Use] (ICPSR 30282) Huston, Aletha; Miller, Cynthia; Duncan, Greg; et al.