Nate Silver @NateSilver538
We can say with a high degree of confidence that live caller w/ cellphone polls have performed significantly better as a group than any other type of poll (online, IVR, hybrid) since 2016. There's certainly room to explore which online methodologies perform better than others. — PolitiTweet.org
Kevin Collins @kwcollins
Or maybe each survey mode has high variability of quality and mode of outreach alone is not a sufficient indicator… https://t.co/s4eFgBnhde