VotePredictor
past elections

Rhode Island House

Jim Langevin (D) vs Mark S. Zaccaria (R)

Actual result
D+28.1
Final polls said
D+35.0
1 late poll · ✓
Model predicted
D+33.4
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
1Fleming & AssociatesD+30.42.3
2Brown University A. Alfred Taubman Center for American Politics and PolicyD+33.35.2
3VotePredictorD+33.45.3
4Quest Research GroupD+35.06.9

Polls (5)

PollsterDatenPollMiss
Quest Research Group2010-10-25215D+35.07
Quest Research Group2010-10-05250D+39.011
Brown University A. Alfred Taubman Center for American Politics and Policy2010-09-28276D+33.35
Fleming & Associates2010-09-24250D+30.42
Quest Research Group2010-09-16388D+34.06