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The Numbers Guy : Separating Good Polls From Bad (Wall Street Journal)

Quoted: Pollster is including American Researchâ??s numbers, Charles Franklin, co-developer of the site and a professor at the University of Wisconsin, told me: â??Lots of pollsters have shown volatility, not just ARG.â? Prof. Franklin added, â??The inclusion or exclusion of a pollster runs the perils of cherry-picking polls, something weâ??ve tried not to do.â?