The Fordham analysis ranks 23 survey research organizations on their final, national pre-election polls, as reported on pollster.com.
On average, the polls slightly overestimated Obamaâs strength. The final polls showed the Democratic ahead by an average of 7.52 percentage points â 1.37 percentage points above his current 6.15-point popular vote lead. Seventeen of the 23 surveys overstated Obamaâs final victory level, while four underestimated it. Only two â Rasmussen and Pew â were spot on.
http://blog.chron.com/txpotomac/2008/11/the-list-which-presidential-polls-were-most-accurate/
On average, the polls slightly overestimated Obamaâs strength. The final polls showed the Democratic ahead by an average of 7.52 percentage points â 1.37 percentage points above his current 6.15-point popular vote lead. Seventeen of the 23 surveys overstated Obamaâs final victory level, while four underestimated it. Only two â Rasmussen and Pew â were spot on.
http://blog.chron.com/txpotomac/2008/11/the-list-which-presidential-polls-were-most-accurate/


