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The Conversation USA

Survey experts have yet to figure out what caused the most significant polling error in 40 years in Trump-Biden race

  • Written by W. Joseph Campbell, Professor of Communication Studies, American University School of Communication
imageBiden supporters in Philadelphia celebrate when his win -- with a much smaller margin than predicted by polls -- was projected by news outlets on Nov. 7, 2020. Chris McGrath/Getty Images

More than six months after the astonishing polling embarrassment in the 2020 U.S. elections, survey experts examining what went wrong are uncertain about what led...

Read more: Survey experts have yet to figure out what caused the most significant polling error in 40 years...

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