In just about any discussion of a poll about the very close presidential race between Vice President Kamala Harris and former President Donald Trump, you’ll hear ...

The margin of error allows you to use smaller sample sizes when conducting customer surveys. The measurement directly relates to the size of your sample, with larger ...

In just about any discussion of a poll about the very close presidential race between Vice President Kamala Harris and former President Donald Trump, you'll hear the ...

When pollsters screw up their predictions—as so many of them have in recent election years—they like to say that the results were “well within the margin of ...

Q: Do the pollsters know who is going to win the election? A. With the number of polls released every day, you would think that there was a definitive assessment on who is going to win the ...

Vice President Kamala Harris and former President Donald Trump are locked in an extremely close contest, according to a new national poll conducted entirely after President Biden announced he was ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Every survey finding published by Pew Research ...