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Why Early Election Polls Are Often So Wrong

Dec 10, 2015 | 22 videos
Video by PBS NewsHour

How come early frontrunners rarely go on to win the nomination? This is an important question as the 2016 election nears and GOP polls have put polarizing figures like Donald Trump in the lead. In this segment from PBS NewsHour, Judy Woodruff examines the art and science of polling, and why polls systematically undercount Democrats and fail to predict true election outcomes.

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A series of collaborations between The Atlantic and PBS NewsHour