Study Search Results Your query returned 4 results. Series results are grouped under the most relevant study. You can ungroup series results. Use the search box below to revise your search, or start a new search. Results per page: 25 50 100 Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Most Downloaded (?) Study Title/Investigator 1. Project on Human Development in Chicago Neighborhoods (PHDCN): Demographic File, Wave 2, 1997-2000 (ICPSR 13609) Earls, Felton J.; Brooks-Gunn, Jeanne; Raudenbush, Stephen W.; et al. 4 more results in Project on Human Development in Chicago Neighborhoods (PHDCN) Series 2. Time, Love, and Cash in Couples With Children Study (TLC3) [United States], 2000-2005 (ICPSR 22462) England, Paula; Edin, Kathryn 3. Urban Poverty and Family Life Survey of Chicago, 1987 (ICPSR 6258) Wilson, William Julius, et al. 4. Welfare, Children, and Families: A Three-City Study (ICPSR 4701) Angel, Ronald; Burton, Linda; Chase-Lansdale, P. Lindsay; et al.