Avg. percent difference for presidential candidate (cumulative)
|
|
ABC/WaPo |
1.30%
|
Zogby(Reuters 1996 thru 2008 phone)/NewsMax(2012 online) |
1.81%
|
PEW |
1.81%
|
NBC/WSJ |
2.28%
|
Gallup |
2.90%
|
Battleground |
2.97%
|
CBS |
3.12%
|
Note: this number is calculated from the percentage differences between the organization's final poll (as found on the NCPP website) and the electoral share held by the Republican and Democratic candidates for president in the 1996, 2000, 2004, 2008 and 2012 elections.