There is a great deal of speculation but no clear answers as to the cause of the disconnect, but there is one point of agreement: Across the board, polls underestimated Trump’s level of support.
The great majority of Americans who vote on Election Day will use one of two basic technologies: “fill-in-the-bubble” and other optical-scan ballots, or touch-screen computers and other direct recording electronic systems.
Exposure to a range of new ideas and viewpoints that many social media users encounter can occasionally cause people to change their minds about political issues or candidates.
The firm that runs the presidential exit poll expects to interview about 100,000 voters across the country by the time the polls close on election night.
As oversampling and its possible effect on presidential polls are spotlighted ahead of Election Day, learn more about this practice and how pollsters adjust for it.