Explained: Margin of error

In mid-October, a Gallup poll of likely voters nationwide showed former Massachusetts Gov. Mitt Romney leading President Barack Obama by a 7 percent margin. That same week, a poll by the University of Connecticut and the ...

Voters overrate favorite candidates

(PhysOrg.com) -- If your political candidate of choice falls behind in the polls, will you lose faith in his ability to win? Probably not. A new study from Northwestern University suggests that people tend to believe that ...

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