short read | Aug 6, 2018

What are nonprobability surveys?

Many online surveys are conducted using “nonprobability” or “opt-in” samples, which are generally easier and cheaper to conduct. In our latest Methods 101 video, we explore some of the features of nonprobability surveys and how they differ from traditional probability-based polls.

short read | May 14, 2018

Can we still trust polls?

Donald Trump's victory in 2016 and the U.K. "Brexit" decision rattled public confidence in polls. Our new video explains why well-designed polls can be trusted.

report | Aug 1, 2016

Flashpoints in Polling

Many people wonder: Can polls be trusted? The following essay contains a big-picture review of the state of polling, organized around a number of key areas.

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