VotePredictor
past elections

Massachusetts House

Bill Keating (D) vs Jeffrey Davis Perry (R)

Actual result
D+4.5
Final polls said
D+4.0
1 late poll · ✓
Model predicted
D+1.4
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
1University of New Hampshire Survey CenterD+4.00.5
2MassINC Polling GroupD+3.01.5
3VotePredictorD+1.43.1
4Public Opinion StrategiesR+2.06.5

Polls (3)

PollsterDatenPollMiss
University of New Hampshire Survey Center2010-10-19349D+4.00
MassINC Polling Group2010-10-14400D+3.01
Public Opinion Strategies2010-10-06400R+2.06