Study Search Results Your query returned 1 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. (?) Study Title/Investigator 1. Afrobarometer: Round 2.5 Survey of South Africa, 2004 (ICPSR 4702) Bratton, Michael; Mattes, Robert; Chikwanha, Annie Barbara; et al.