Search Results Use the search box below to revise your search, or start a new search. Studies (2) Variables Publications Your query returned 2 studies. Sort by: Study Relevance Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Variable Relevance 1. Northwestern Juvenile Project (Cook County, IL): Baseline, 1995-1998 [Restricted] (ICPSR 32603) Teplin, Linda A. 2. Project on Human Development in Chicago Neighborhoods (PHDCN): Service Use, Wave 2, 1997-2000 (ICPSR 13656) Earls, Felton J.; Brooks-Gunn, Jeanne; Raudenbush, Stephen W.; et al.