Study Search Results Your query returned 8 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. China Health and Nutrition Survey (CHNS) (ICPSR 176) Popkin, Barry 2. Malawi Diffusion and Ideational Change Project (MDICP), 1998 and 2001 (ICPSR 20840) Behrman, Jere R.; Chimbiri, Agnes M.; Chimwaza, Angela; et al. 3. National Longitudinal Study of Adolescent Health (Add Health), 1994-2008 (ICPSR 21600) Harris, Kathleen Mullan; Udry, J. Richard 4. Puerto Rican Elderly: Health Conditions (PREHCO) Project, 2002-2003, 2006-2007 (ICPSR 34596) Palloni, Alberto; Luisa Davila, Ana; Sanchez-Ayendez, Melba 5. Research on Early Life and Aging Trends and Effects (RELATE): A Cross-National Study (ICPSR 34241) McEniry, Mary 6. Supporting Healthy Marriage Evaluation: Eight Sites within the United States, 2003-2013 (ICPSR 34420) Hsueh, JoAnn; Knox, Virginia 7. Time, Love, and Cash in Couples With Children Study (TLC3) [United States], 2000-2005 (ICPSR 22462) England, Paula; Edin, Kathryn 8. Welfare, Children, and Families: A Three-City Study (ICPSR 4701) Angel, Ronald; Burton, Linda; Chase-Lansdale, P. Lindsay; et al.