KRC 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
- 11
- Mean absolute error
- 5.79percentage points
- Historical bias
- D+0.34
- Represented cycles
- 31998–2002
- Current archive
- 0canonical records
- History span
- Oct 18, 1998through Nov 2, 2002
Known names and relationships
- Known aliases
- No additional reviewed aliases
- Organization type
- Single canonical organization
- Cycles represented
- 1998 · 2000 · 2002
11 eligible historical polls across 3 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 2026-10-25. 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
11 shown · 11 total
| Cycle | Race | Type | Field end | Sample | Poll | Result | Error |
|---|---|---|---|---|---|---|---|
| 2002 | MA · Governor | Gov-G | 2002-11-02 | 400 | R+2.0 | R+4.8 | D+2.8 |
| 2002 | MA · Governor | Gov-G | 2002-10-30 | 400 | D+1.0 | R+4.8 | D+5.8 |
| 2002 | IL · Governor | Gov-G | 2002-10-23 | 400 | D+12.0 | D+7.1 | D+4.9 |
| 2000 | MA · Senate | Sen-G | 2000-10-25 | 400 | D+52.0 | D+59.9 | R+7.9 |
| 2000 | MA · President | Pres-G | 2000-10-25 | 400 | D+26.0 | D+27.3 | R+1.3 |
| 2000 | IL · President | Pres-G | 2000-10-17 | 600 | D+2.0 | D+12.0 | R+10.0 |
| 1998 | MA · Governor | Gov-G | 1998-10-27 | 400 | R+5.0 | R+3.4 | R+1.6 |
| 1998 | RI · Governor | Gov-G | 1998-10-21 | 400 | D+5.0 | R+8.8 | D+13.8 |
| 1998 | IL · Senate | Sen-G | 1998-10-20 | 400 | R+10.0 | R+2.9 | R+7.1 |
| 1998 | IL · Governor | Gov-G | 1998-10-20 | 400 | R+2.0 | R+3.6 | D+1.6 |
| 1998 | RI · Governor | Gov-G | 1998-10-18 | 400 | R+2.0 | R+8.8 | D+6.8 |
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.