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Main Menu Shown After Scroll Our mission is to collect preserve and disseminate public opinion data to serve as a resource to help improve the practice of survey research and to broaden the understanding of public opinion through the use of survey data in the United States and around the world. Main Menu Call for Nominations by April 4 for Warren J. Mitofsky Award Now Accepting Applications for Fellowships Celebrating the 2025 Pioneer in Polling Toshio Yatsushiro May 7 RoundTable Explore the Most Important Problem Dataset with Laron Williams America039s Voice Project Become a Data Provider History of the Roper Center Elmo Roper wasone of the pioneers of the field of public opinion research. In 1933 he cofounded one of the first marketing research firms Cherington Wood and Roper.