Pollster · 427 of 1769
Reuters/Ipsos
Polls scored
11
Mean error
4.7 pt
Signed bias
R+1.04
Aggregation weight
1.21
Composite quality score
0–100 · weighted of 5 measured components62
of 100 · tier · strong
Strong on the components we measure; one or two areas pull the composite below the elite threshold.
Pollster vs editorial consensus
d-leanAcross 7 graded races, Reuters/Ipsos's released topline differed from the median editorial-rater consensus by an average of +2.4pp. That's a measurable D-lean vs the consensus.
Mean delta
+2.4pp
Median delta
+2.0pp
Std-dev
1.5pp
N graded
7
Recent activity
Total all time
15
Last 30d
0
Last 90d
0
Last 180d
0
Per-cycle debrief appearances
| Cycle | Rank | Polls | MAE | Signed bias |
|---|---|---|---|---|
| 2012 | #3 / 12 | 3 | 2.97 pt | R+1.64 pp |
Recent polls
- 10/19/2020Michigan · Senate · 2020Gary Peters 50.0 · John James 45.0
- 10/12/2020Michigan · Senate · 2020Gary Peters 52.0 · John James 44.0
- 10/5/2020Michigan · Senate · 2020Gary Peters 50.0 · John James 43.0
- 10/28/2014Iowa · Governor · 2014Terry Branstad 57.0 · Jack Hatch 34.0
- 10/30/2012Florida · Senate · 2012Bill Nelson 52.0 · Connie Mack IV 42.0
- 10/30/2012Ohio · Senate · 2012Sherrod Brown 49.0 · Josh Mandel 41.0
- 10/30/2012Virginia · Senate · 2012Tim Kaine 47.0 · George Allen 45.0
- 10/3/2010California · Governor · 2010Jerry Brown 50.0 · Meg Whitman 43.0
- 9/24/2010Ohio · Governor · 2010Ted Strickland 46.0 · John Kasich 47.0
- 9/18/2010Arkansas · Senate · 2010Blanche Lincoln 39.0 · John Boozman 53.0