Hypothetical questions can influence behavior

(PhysOrg.com) -- With the election cycle now underway, many Americans will be responding to political polls about who they support in the races for president and other offices. But can the poll questions themselves influence ...

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 ...

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