Sep 162012
 

2008 Electoral Map Intrade ForecastObama  364
McCain 174


2008 Pollster Report Card

The table below is an assessment of pollster performance in the 2008 Presidential election.  The pollsters were graded on both the accuracy of their final poll (popular vote) and the consistency of their polling during the month of October.

The overall score is a weighted average of their Accuracy and Consistency numbers.  The weighting is 75% accuracy and 25% consistency.  Formula details are at the bottom of this page.

 

 

Overall

 

 

 

 

Poll

Score

Grade

 

Accuracy

Consistency

Rasmussen Reports

91%

A-

 

92%

86%

Ipsos/McClatchy

89%

B+

 

92%

79%

CNN/Opinion Research

88%

B+

 

92%

77%

 

Read the rest.

Also, see these stories: The List: Which presidential polls were most accurate? and this story: On Target: Polling Accuracy in the 2008 Presidential Election.