This dataverse contains the holdings of the Roper Center for Public Opinion Research. The Roper Center for Public Opinion Research is the world's largest archive of public opinion survey research data. The data held by the Roper Center range from the 1930s, when survey research was in its infancy, to the present. The collection includes data from over 100 nations.
For more information and assistance with this data, please see the Roper.
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