Impeachment Update: No Signs of Non-Response Error
Support for impeaching and removing President Donald Trump from office has increased to near majority support on a wide variety of polRead More…
Year: 2019
Gelman: Nonresponse Not So Rare
In yesterday’s Fivethirtyeight article, I argued that evidence of nonresponse bias is “hard to come by,” with the exception of “the highest of hRead More…
MysteryPollster is Back!
MysteryPollster is back! Fifteen years ago, almost to the day, I started posting articles to this site, something we used to call a “bRead More…
Another ‘Phantom Swing’? Investigating Differential Nonresponse in 2018
In an era of single digit response rates, many Americans distrust polls and some say they are inherently skewed. The truth is more complicated. PollsRead More…