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Wall Street Journal

May 28, 2010

Robo-polls cheap and untrustworthy

Robo-polls such as Rasmussen and SurveyUSA have proliferated because they are absolutely free to conduct. You throw a bunch of phone numbers into a database and have a large volume of robo-calls made over an IP telephone, and you can conduct the entire survey at virtually zero cost in three or four hours.

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