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 ...

Doug Schwartz is affiliated with the American Association of Public Opinion Research (AAPOR). As the director of the Quinnipiac University Poll, which has been taking the pulse of the public on policy ...

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 ...

Moving Vice President Kamala Harris to the top of the ticket has reinvigorated Democrats’ prospects of winning the White House, according to a new PBS News/NPR/Marist poll. Weeks ago, many Democrats ...