Temple University Institute for Survey Research
Historical accuracy is measured against certified results. Current-cycle records come from the canonical, deduplicated archive and do not by themselves change the sealed forecast.
- Historical polls
- 5
- Mean absolute error
- 3.77percentage points
- Historical bias
- R+0.72
- Represented cycles
- 32004–2008
- Current archive
- 0canonical records
- History span
- Oct 25, 2004through Oct 23, 2008
Known names and relationships
- Known aliases
- No additional reviewed aliases
- Organization type
- Single canonical organization
- Cycles represented
- 2004 · 2006 · 2008
5 eligible historical polls is a limited denominator; both MAE and bias may move materially as another cycle is added.
Current-cycle records
Archive source date 2026-09-09 · bundled copy. Archive records may be newer than the sealed forecast; inclusion here does not mean the forecast uses them.
0 shown · 0 total
No record in the currently authorized canonical archive is attached to this identity.
This is not evidence that the pollster released no 2026 polling; the source-audit gaps remain documented.
Eligible historical observations
5 shown · 5 total
| Cycle | Race | Type | Field end | Sample | Poll | Result | Error |
|---|---|---|---|---|---|---|---|
| 2008 | 2008_Pres-G_PA | Pres-G | 2008-10-23 | 761 | D+9.0 | D+10.3 | R+1.3 |
| 2006 | 2006_Sen-G_PA | Sen-G | 2006-10-21 | 698 | D+16.0 | D+17.4 | R+1.4 |
| 2006 | 2006_Gov-G_PA | Gov-G | 2006-10-21 | 698 | D+24.0 | D+20.7 | D+3.3 |
| 2004 | 2004_Sen-G_PA | Sen-G | 2004-10-25 | 1,488 | R+22.0 | R+10.6 | R+11.4 |
| 2004 | 2004_Pres-G_PA | Pres-G | 2004-10-25 | 1,488 | D+1.0 | D+2.5 | R+1.5 |
Method · historical final-three-week D/R general-election rows plus verified historical supplement; min n=5
Definition · bias_D is poll D-R margin minus actual D-R margin; positive overstates Democrats.
A missing sample, sponsor or source is labeled unavailable; it is never reconstructed.
Poll data via VoteHub, used under CC BY 4.0. Poll data from The New York Times, used under CC BY 4.0.