VotePredictor
past elections

California Senate

Dianne Feinstein (D) vs Elizabeth Emken (R)

Actual result
D+25.1
Final polls said
D+18.6
4 late polls · ✓
Model predicted
D+21.1
Winner
Dem

"Final polls said" averages polls from the last ~3 weeks — the call right before the vote, and how pollsters are rated. The model's prediction is walk-forward (trained only on earlier races).

Final rankings

How everyone who called this race did, ranked — VotePredictor shown inline (★).

Pollsters — each pollster's final poll vs the result

#PollsterFinal callMissCalled
1Princeton Survey Research Associates InternationalD+26.00.9
2VotePredictorD+21.13.9
3Field Research Corp. (Field Poll)D+21.04.1
4MFour Mobile ResearchD+19.65.4
5SurveyUSAD+19.06.1
6YouGovD+17.08.1
7Greenberg Quinlan Rosner/American ViewpointD+17.08.1

Polls (13)

PollsterDatenPollMiss
YouGov2012-11-021575D+17.08
MFour Mobile Research2012-10-252115D+19.65
Field Research Corp. (Field Poll)2012-10-231566D+21.04
Greenberg Quinlan Rosner/American Viewpoint2012-10-181440D+17.08
Princeton Survey Research Associates International2012-10-13508D+26.01
MFour Mobile Research2012-10-09830D+17.18
YouGov2012-10-081169D+20.05
SurveyUSA2012-10-08539D+19.06
MFour Mobile Research2012-09-25824D+22.53
Field Research Corp. (Field Poll)2012-09-12891D+26.01
YouGov2012-09-111361D+18.07
MFour Mobile Research2012-09-11802D+22.03
SurveyUSA2012-09-10524D+18.07