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 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.
In the aftermath of presidential debates, there is intense interest in gauging "who won." How can we know the answer to that question?
Some of the better-known statistical rules of thumb that a smart consumer might think apply in polls are more nuanced than they seem. In other words, as is so often the case in life, it’s complicated.
In 2020, census questionnaires may for the first time be offered in Arabic, now the fastest-growing language in the U.S. But the Census Bureau faces a challenge not only in translating the language but also in adjusting the appearance of the questionnaire for those accustomed to reading and writing Arabic script.
Why aren’t Asian Americans shown as a separate group when differences among whites, blacks and Hispanics are discussed in survey reports? It's a good question, so we put together a summary of some of the methodological and other issues on accurately polling U.S. Asians.
The advantages of these online surveys are obvious – they are fast and relatively inexpensive, and the technology for them is pervasive. But are they accurate?
One-in-six (16%) of those who say they “definitely voted” in the 2014 midterm election have no record of voting in commercially available national voter files.
We’re making this change to ensure our survey samples properly represent the now roughly half (47%) of U.S. adults who only have a cellphone.