American Research Group, Inc.

 

2011 Nevada 2d CD Special Election Pollster Ratings

The following table lists the accuracy of pollsters in the September 13, 2011 special election for the Nevada 2d Congressional District using the measure of polling accuracy proposed by Martin, Traugott, and Kennedy.  

NV 2d CD
Amodei Marshall Odds
Ratio
Accuracy
Magellan 48% 35% 0.86 -0.16
PPP 50% 37% 0.84 -0.17
PPP* 43% 42% 0.64 -0.45
Actual 57.9% 36.1%

 

The accuracy measures for the Magellan and PPP surveys are within the 95% confidence interval.

The accuracy measure for the PPP* survey falls outside the 95% confidence interval. This survey was conducted August 18-21, 2011 and the sample dates are comparable to the Magellan survey that was conducted August 15-16, 2011.

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