Mason-Dixon pollster Brad Coker on ‘shy Trump voters,’ polls and the 2020 election

The 2020 presidential election is (mostly) in the books and the political world is once again fiercely debating a familiar question from 2016: What went wrong with public-opinion polls in a number of key battleground states? One poll that came out looking pretty good was the Star Tribune/MPR News/KARE 11 […] Read more »

Probing the Relationship between Social Trust and Vote Choice

A growing theory for polling error in the 2016 and 2020 elections is nonresponse bias along social trust levels. Low social trust Americans have long been underrepresented in surveys, but historically this hasn’t mattered for pre-election polls because social trust was uncorrelated with the outcome of interest in elections — […] Read more »

Understanding how 2020 election polls performed and what it might mean for other kinds of survey work

Taken in the aggregate, preelection polls in the United States pointed to the strong likelihood that Democrat Joe Biden would pick up several states that Hillary Clinton lost in 2016 and, in the process, win a popular and electoral vote majority over Republican President Donald Trump. That indeed came to […] Read more »