Study Search Results Your query returned 7 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. National Longitudinal Study of Adolescent Health (Add Health), 1994-2008 (ICPSR 21600) Harris, Kathleen Mullan; Udry, J. Richard 2. New Immigrant Survey (ICPSR 174) Jasso, Guillermina; Massey, Douglas S.; Rosenzweig, Mark R.; et al. 3. NICHD Study of Early Child Care and Youth Development: Phase I, 1991-1995 [United States] (ICPSR 21940) United States Department of Health and Human Services. National Institutes of Health. Eunice Kennedy Shriver National Institute of Child Health and Human Development 3 more results in NICHD Study of Early Child Care and Youth Development (SECCYD) Series 4. Project on Human Development in Chicago Neighborhoods (PHDCN): Home and Life Interview, Wave 2, 1997-2000 (ICPSR 13630) Earls, Felton J.; Brooks-Gunn, Jeanne; Raudenbush, Stephen W.; et al. 9 more results in Project on Human Development in Chicago Neighborhoods (PHDCN) Series 5. Syntax for Creating a Comparative Dataset on Parents' Time Use in Four Countries, 2000-2003 (ICPSR 30021) Hook, Jennifer; Wolfe, Christina 6. Toledo Adolescent Relationships Study (TARS): Wave 1, 2001 (ICPSR 4679) Giordano, Peggy C.; Longmore, Monica A.; Manning, Wendy D. 1 more results in Toledo Adolescent Relationships Study (TARS) Series 7. Welfare, Children, and Families: A Three-City Study (ICPSR 4701) Angel, Ronald; Burton, Linda; Chase-Lansdale, P. Lindsay; et al.