‘New poll suggests…’: How to tell when public opinion has really changed

As there's interest in the pollsters' 'margin of error', here is a blog Jouni Kuha & I wrote about it (tldr: it's a rule of thumb not a calculation based on the microdata & there are better ways of doing it):https://t.co/IvKpHNIt5s

— patricksturgis (@patricksturg) November 28, 2019