Polls come in three flavors depending on the population being sampled. Many polls sample all adults, but election polls typically sample either self-reported registered voters, or...
Technical Topics
I noted in the competitiveness piece that both Republican candidates only lead in the polls on an eighth of the last 120 days of the campaign. ...
Applies to Will the race tighten as the election approaches? I compiled all the polling data from RCP for the 2008 and 2012 Presidential elections with...
