Study Search Results Your query returned 5 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. Crime Days Precursors Study: Baltimore, 1952-1976 (ICPSR 8222) Nurco, David 2. National Supported Work Evaluation Study, 1975-1979: Public Use Files (ICPSR 7865) Manpower Demonstration Research Corporation 3. National Longitudinal Survey of Youth, 1997 (ICPSR 34923) Ohio State University. Center for Human Resource Research 4. Youth Development Study, 1988-2004 [St. Paul, Minnesota] (ICPSR 24881) Mortimer, Jeylan T. 5. 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.