Digital 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
- 19
- Mean absolute error
- 8.64percentage points
- Historical bias
- D+0.22
- Represented cycles
- 42006–2012
- Current archive
- 0canonical records
- History span
- Oct 20, 2006through Oct 31, 2012
Known names and relationships
- Known aliases
- No additional reviewed aliases
- Organization type
- Single canonical organization
- Cycles represented
- 2006 · 2008 · 2010 · 2012
19 eligible historical polls across 4 represented cycles passed the published history identity checks. Historical bias is descriptive and is kept separate from sponsor or client affiliation.
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
19 shown · 19 total
| Cycle | Race | Type | Field end | Sample | Poll | Result | Error |
|---|---|---|---|---|---|---|---|
| 2012 | 2012_Pres-G_ME | Pres-G | 2012-10-31 | 613 | D+7.0 | D+15.3 | R+8.3 |
| 2012 | 2012_House-G_ME-2 | House-G | 2012-10-31 | 325 | D+19.0 | D+16.4 | D+2.6 |
| 2012 | 2012_House-G_ME-1 | House-G | 2012-10-31 | 288 | D+19.0 | D+29.6 | R+10.6 |
| 2012 | 2012_Pres-G_M2 | Pres-G | 2012-10-30 | 300 | D+7.0 | D+8.6 | R+1.6 |
| 2012 | 2012_Pres-G_M1 | Pres-G | 2012-10-30 | 300 | D+6.0 | D+21.4 | R+15.4 |
| 2010 | 2010_House-G_ME-2 | House-G | 2010-10-28 | 326 | D+4.0 | D+10.3 | R+6.3 |
| 2010 | 2010_House-G_ME-1 | House-G | 2010-10-28 | 295 | R+4.0 | D+13.7 | R+17.6 |
| 2010 | 2010_House-G_PA-11 | House-G | 2010-10-25 | 400 | D+8.0 | R+9.4 | D+17.4 |
| 2010 | 2010_House-G_PA-10 | House-G | 2010-10-25 | 400 | R+9.0 | R+10.3 | D+1.4 |
| 2010 | 2010_House-G_ME-2 | House-G | 2010-10-15 | 305 | D+19.0 | D+10.3 | D+8.7 |
| 2010 | 2010_House-G_ME-1 | House-G | 2010-10-15 | 295 | D+5.0 | D+13.7 | R+8.7 |
| 2008 | 2008_Sen-G_ME | Sen-G | 2008-10-18 | 443 | R+12.0 | R+22.8 | D+10.8 |
| 2008 | 2008_Pres-G_ME | Pres-G | 2008-10-18 | 443 | D+21.0 | D+17.3 | D+3.7 |
| 2008 | 2008_House-G_ME-2 | House-G | 2008-10-18 | 215 | D+41.0 | D+34.9 | D+6.1 |
| 2008 | 2008_House-G_ME-1 | House-G | 2008-10-18 | 228 | D+21.0 | D+9.8 | D+11.2 |
| 2006 | 2006_Sen-G_ME | Sen-G | 2006-10-20 | 600 | R+60.0 | R+53.7 | R+6.3 |
| 2006 | 2006_House-G_ME-2 | House-G | 2006-10-20 | 300 | D+37.0 | D+41.0 | R+4.0 |
| 2006 | 2006_House-G_ME-1 | House-G | 2006-10-20 | 300 | D+44.0 | D+29.5 | D+14.5 |
| 2006 | 2006_Gov-G_ME | Gov-G | 2006-10-20 | 600 | D+17.0 | D+7.9 | D+9.1 |
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.