Search Results Use the search box below to revise your search, or start a new search. Studies (3) Variables Publications Your query returned 3 studies. Series results are grouped under the most relevant study. Ungroup series results to view all results. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. CBS News/MTV/Gates Foundation Monthly Poll, March 2005 (ICPSR 4322) CBS News; MTV; The Gates Foundation 2. Harlem Longitudinal Study of Urban Black Youth, 1968 United States (ICPSR 121) Brunswick, Ann 3. National Survey of American Life - Adolescent Supplement (NSAL-A), 2001-2004 (ICPSR 36380) Jackson, James S.; Caldwell, Cleopatra H.; Antonucci, Toni C.; et al.