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 ...

Conducting a poll isn’t an exact science. The process is susceptible to lots of common problems and baked-in biases — more than just the “margin of error.” By ...

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 ...

Ofer Harel receives funding from The National Science Foundation, US Food and Drug Administration and The National Institute of Health. He is also sits on the Bureau of Labor Statistics Technical ...