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WPA staff members are business people first and researchers second. We view ourselves as unique problem-solvers with relevant experience in implementing best-in-class solutions in numerous industries around the world. Regardless of the market or industrial sector involved, Wilson Perkins Allen Opinion Research enables organizations to achieve accurate, realistic, and actionable results.


Enough Already with Random Digit Dialing (RDD)

Donald P. Green, Yale University Alan S. Gerber, Yale University May 5, 2002 Abstract: Pre-election polls invariably use random digit dialing (RDD) to draw representative samples of likely voters. We make the case for an alternative sampling methodology, clustered random sampling from voter registra


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