There was plenty of apprehension at the annual conference of the American Association for Public Opinion Research, which I attended last month, about the state of the polling industry.
The problem is simple but daunting. The foundation of opinion research has historically been the ability to draw a random sample of the population. That’s become much harder to do, at least in the United States. …
So then … what should we do if polling is getting harder? CONT.
Nate Silver, FiveThirtyEight