VotePredictor
past elections

Pennsylvania House

John B. Callahan (D) vs Charles W. Dent (R)

Actual result
R+14.6
Final polls said
R+10.0
3 late polls · ✓
Model predicted
R+12.3
Winner
Rep

"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
1VotePredictorR+12.32.2
2Muhlenberg College Institute of Public OpinionR+17.02.4
3Grove InsightR+2.012.6

Polls (3)

PollsterDatenPollMiss
Muhlenberg College Institute of Public Opinion2010-10-09496R+17.02
Grove Insight2010-09-28400R+2.013
Muhlenberg College Institute of Public Opinion2010-09-13496R+11.04