Study Search Results Your query returned 3 results. Series results are grouped under the most relevant study. You can ungroup series results. Results per page: 25 50 100 Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. (?) Study Title/Investigator 1. Detroit Area Study, 1968: Black Attitudes in Detroit (ICPSR 7324) Schuman, Howard 2. ICPSR Instructional Subset: Justifying Violence: Attitudes of American Men, 1969 (ICPSR 7517) Blumenthal, Monica; Kahn, Robert L.; Andrews, Frank M. 3. Negro Political Attitudes, 1964 (ICPSR 7002) Marx, Gary T.