of pollsters working outside the United States". Herbert Weisberg, a political scientist at Ohio State University and former president of the Midwest Political Science Association, further credited WAPOR with contributing to the internationalization, and thereby the professionalization, of the field of survey research. See also Opinion poll Public opinion References External links Official website of WAPOR International Journal of Public Opinion Research Organizations established in 1947 International organizations based in the United States Professional associations based in the United States Public opinion research companies Social sciences organizations Survey methodology 1947 establishments in Massachusetts Members of the International Science Council