Nate Silver @NateSilver538
This is interesting. There's a fairly high correlation between pollster quality (as judged by our pollster ratings) and a poll's house effect, with higher-quality polls tending to show better numbers for Biden. — PolitiTweet.org
Nate Cohn @Nate_Cohn
Here, for instance, are House Effects by 538 pollster rating (where 0 is their "A+" and 1 is an "D-") As you can se… https://t.co/y25eYSMb1b