Study Search Results Your query returned 6 results. Series results are grouped under the most relevant study. You can ungroup series results. Results per page: 25 50 100 Sort by: Study Relevance Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Most Downloaded Variable Relevance (?) Study Title/Investigator 1. Harlem Longitudinal Study of Urban Black Youth, 1968 United States (ICPSR 121) Brunswick, Ann 2. Iowa Youth and Families Project, 1989-1992 (ICPSR 26721) Conger, Rand D.; Lasley, Paul; Lorenz, Frederick O.; et al. 3. Youth Development Study, 1988-2004 [St. Paul, Minnesota] (ICPSR 24881) Mortimer, Jeylan T. 4. Project on Human Development in Chicago Neighborhoods (PHDCN): Drug Use, Wave 3, 2000-2002 (ICPSR 13694) Earls, Felton J.; Brooks-Gunn, Jeanne; Raudenbush, Stephen W.; et al. 1 more results in Project on Human Development in Chicago Neighborhoods (PHDCN) Series 5. Monitoring the Future: A Continuing Study of American Youth (8th- and 10th-Grade Surveys), 1992 (ICPSR 2522) Johnston, Lloyd D.; Bachman, Jerald G.; O'Malley, Patrick M.; et al. 2 more results in Monitoring the Future (MTF) Series 6. Helping Young Smokers Quit: Identifying Best Practices for Tobacco Cessation, Phase II National Program Evaluation, 2003-2006 (ICPSR 33161) Mermelstein, Robin J.; Curry, Susan J.