VotePredictor
past elections

Indiana Senate

Joe Donnelly (D) vs Richard Mourdock (R)

Actual result
D+5.8
Final polls said
D+3.8
10 late polls · ✓
Model predicted
D+0.5
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
1Clarity Campaign LabsD+7.01.2
2Impact ResearchD+7.01.2
3Scott Rasmussen (Rasmussen Reports)D+3.02.8
4Global Strategy GroupD+9.03.2
5YouGovD+2.03.8
6Howey Politics/DePauw UniversityD+11.05.2
7VotePredictorD+0.55.3
8McLaughlin & AssociatesR+2.07.8

Polls (16)

PollsterDatenPollMiss
YouGov2012-11-02679D+2.04
Scott Rasmussen (Rasmussen Reports)2012-11-01600D+3.03
McLaughlin & Associates2012-10-31600R+2.08
Global Strategy Group2012-10-29600D+9.03
Howey Politics/DePauw University2012-10-29800D+11.05
McLaughlin & Associates2012-10-29600R+1.07
Clarity Campaign Labs2012-10-25825D+7.01
Impact Research2012-10-24446D+7.01
McLaughlin & Associates2012-10-24600EVEN6
Global Strategy Group2012-10-19603D+2.04
Scott Rasmussen (Rasmussen Reports)2012-10-10600R+5.011
YouGov2012-10-08495R+4.010
McLaughlin & Associates2012-10-03600R+3.09
Howey Politics/DePauw University2012-09-21800D+2.04
Global Strategy Group2012-09-11800D+3.03
YouGov2012-09-11620R+3.09