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. Sort by: Study Relevance Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Variable Relevance 1. Afrobarometer Round 5: The Quality of Democracy and Governance in 34 African Countries, 2011-2013 (ICPSR 36351) Mattes, Robert; Gyimah-Boadi, E.; Bratton, Michael 2. General Social Survey, 2012 Merged Data, Including a Cultural Module [United States] (ICPSR 35478) Smith, Tom W.; Marsden, Peter V.; Hout, Michael 3. General Social Survey, 1993, 1998, 2000, 2002 with Cultural, Information Security, and Freedom Modules [United States] (ICPSR 35536) Davis, James A.; Smith, Tom W.; Marsden, Peter V.