pollster-ratings/2020/pollster-ratings
Data license: CC Attribution 4.0 License · Data source: fivethirtyeight/data on GitHub · About: simonw/fivethirtyeight-datasette
453 rows
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Suggested facets: NCPP / AAPOR / Roper, Live Caller With Cellphones, Methodology, Banned by 538, 538 Grade
| Link | rowid ▼ | Pollster | Pollster Rating ID | # of Polls | NCPP / AAPOR / Roper | Live Caller With Cellphones | Methodology | Banned by 538 | Predictive Plus-Minus | 538 Grade | Mean-Reverted Bias | Races Called Correctly | Misses Outside MOE | Simple Average Error | Simple Expected Error | Simple Plus-Minus | Advanced Plus-Minus | Mean-Reverted Advanced Plus Minus | # of Polls for Bias Analysis | Bias | House Effect | Average Distance from Polling Average (ADPA) | Herding Penalty | latest_poll |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Monmouth University | 215 | 108 | yes | yes | Live | no | -1.6 | A+ | D +1.3 | 81% | 21% | 5.4 | 6.7 | -1.2 | -2.0 | -1.6 | 71 | D +1.8 | R +0.4 | 5.2 | 0.2 | 3/13/20 |
| 2 | 2 | Selzer & Co. | 304 | 48 | yes | yes | Live | no | -1.3 | A+ | D +0.1 | 79% | 25% | 4.6 | 6.1 | -1.3 | -1.8 | -1.1 | 31 | D +0.2 | D +0.2 | 5.2 | 0.0 | 11/1/18 |
| 3 | 3 | ABC News/The Washington Post | 3 | 73 | yes | yes | Live | no | -1.3 | A+ | D +0.5 | 72% | 7% | 2.8 | 4.8 | -1.7 | -1.7 | -1.2 | 68 | D +0.8 | D +1.3 | 3.8 | 0.12 | 10/31/18 |
| 4 | 4 | Siena College/The New York Times Upshot | 448 | 59 | yes | yes | Live | no | -1.1 | A+ | R +0.3 | 69% | 10% | 3.9 | 5.7 | -1.6 | -1.5 | -1.1 | 58 | R +0.4 | D +0.4 | 4.4 | 0.19 | 1/22/20 |
| 5 | 5 | Field Research Corp. (Field Poll) | 94 | 25 | yes | yes | Live | no | -1.1 | A/B | R +0.7 | 100% | 16% | 3.9 | 5.6 | -1.5 | -2.0 | -0.7 | 18 | R +2.5 | D +0.6 | 4.7 | 0.01 | 5/29/16 |
| 6 | 6 | Marquette University Law School | 195 | 12 | yes | yes | Live | no | -1.0 | A/B | D +0.2 | 79% | 8% | 2.8 | 5.9 | -2.9 | -2.8 | -0.9 | 8 | D +1.0 | R +0.3 | 4.9 | 0.0 | 3/27/20 |
| 7 | 7 | Muhlenberg College | 219 | 29 | yes | yes | Live | no | -1.0 | A+ | R +0.2 | 84% | 7% | 3.4 | 6.0 | -2.4 | -2.3 | -1.1 | 28 | R +0.3 | D +0.2 | 3.9 | 0.97 | 10/30/18 |
| 8 | 8 | Marist College | 183 | 183 | yes | yes | Live | no | -1.0 | A+ | R +0.3 | 84% | 25% | 5.4 | 6.5 | -0.8 | -1.0 | -0.9 | 113 | R +0.4 | R +0.2 | 5.2 | 0.0 | 3/13/20 |
| 9 | 9 | Data Orbital | 73 | 9 | yes | yes | Live | no | -0.9 | A/B | D +0.3 | 94% | 0% | 2.3 | 5.3 | -2.8 | -2.4 | -0.7 | 9 | D +1.2 | R +1.1 | 3.7 | 0.65 | 10/17/18 |
| 10 | 10 | National Journal | 224 | 12 | yes | yes | Live | no | -0.8 | A/B | R +0.1 | 100% | 0% | 2.6 | 6.1 | -3.4 | -3.2 | -0.7 | 12 | R +0.6 | D +0.3 | 3.5 | 0.89 | 10/25/08 |
| 11 | 11 | Stockton University | 317 | 10 | yes | yes | Live | no | -0.8 | A/B | D +0.7 | 100% | 20% | 4.0 | 5.3 | -1.1 | -1.4 | -0.4 | 10 | D +2.3 | D +0.7 | 6.1 | 0.0 | 10/28/18 |
| 12 | 12 | SurveyUSA | 325 | 787 | yes | partial | IVR/Online/Live | no | -0.8 | A | D +0.1 | 89% | 20% | 4.7 | 5.9 | -1.0 | -1.1 | -1.0 | 627 | D +0.1 | R +0.4 | 5.0 | 0.12 | 3/5/20 |
| 13 | 13 | Ciruli Associates | 51 | 16 | yes | yes | Live | no | -0.8 | A/B | R +0.4 | 94% | 0% | 3.5 | 5.9 | -2.3 | -2.5 | -0.5 | 16 | R +2.1 | R +2.7 | 5.3 | 0.59 | 10/25/06 |
| 14 | 14 | MassINC Polling Group | 198 | 18 | yes | partial | Online/Live | no | -0.7 | A/B | R +0.7 | 83% | 22% | 4.9 | 6.7 | -1.7 | -1.6 | -0.7 | 12 | R +2.4 | R +1.4 | 6.4 | 0.0 | 2/25/20 |
| 15 | 15 | Fairleigh Dickinson University (PublicMind) | 92 | 19 | yes | yes | Live | no | -0.7 | A/B | D +0.0 | 95% | 5% | 3.9 | 5.4 | -1.3 | -1.4 | -0.4 | 18 | D +0.1 | D +2.8 | 4.5 | 0.3 | 10/16/14 |
| 16 | 16 | CBS News/The New York Times | 36 | 62 | yes | yes | Live | no | -0.7 | A | D +0.4 | 76% | 23% | 4.3 | 5.5 | -1.0 | -1.0 | -0.6 | 51 | D +0.7 | D +1.5 | 4.1 | 0.23 | 10/16/18 |
| 17 | 17 | Grove Insight | 129 | 29 | no | yes | Live | no | -0.7 | A/B | D +0.5 | 90% | 7% | 3.0 | 5.8 | -2.6 | -3.0 | -1.4 | 29 | D +1.1 | D +3.4 | 3.8 | 0.67 | 11/2/12 |
| 18 | 18 | Behavior Research Center (Rocky Mountain Poll) | 27 | 8 | yes | yes | Live | no | -0.7 | A/B | D +0.1 | 75% | 0% | 3.1 | 6.4 | -3.1 | -2.7 | -0.3 | 6 | D +1.0 | R +1.4 | 8.1 | 0.0 | 10/22/08 |
| 19 | 19 | Western New England University | 380 | 10 | yes | yes | Live | no | -0.6 | A/B | R +0.3 | 100% | 10% | 4.3 | 6.4 | -1.9 | -2.5 | -0.7 | 9 | R +1.1 | D +2.2 | 2.6 | 1.46 | 10/19/18 |
| 20 | 20 | Suffolk University | 323 | 88 | yes | yes | Live | no | -0.6 | A | D +0.6 | 79% | 24% | 5.1 | 6.7 | -1.4 | -0.6 | -0.5 | 52 | D +1.0 | D +1.8 | 5.7 | 0.0 | 2/28/20 |
| 21 | 21 | IBD/TIPP | 144 | 27 | yes | partial | Online/Live | no | -0.6 | A/B | R +0.8 | 78% | 4% | 2.2 | 4.1 | -1.6 | -1.6 | -0.7 | 27 | R +1.9 | R +1.6 | 3.4 | 0.25 | 10/30/18 |
| 22 | 22 | Los Angeles Times | 172 | 36 | yes | yes | Live | no | -0.6 | A/B | R +0.1 | 85% | 22% | 4.6 | 6.4 | -1.6 | -0.8 | -0.3 | 23 | R +0.3 | D +0.8 | 5.1 | 0.15 | 10/26/08 |
| 23 | 23 | Michigan State University | 463 | 2 | yes | yes | Live | no | -0.6 | A/B | R +0.0 | 100% | 0% | 1.0 | 9.6 | -8.4 | -7.7 | -0.7 | 2 | R +0.5 | R +1.5 | 0.0 | 10/18/18 | |
| 24 | 24 | University of Connecticut | 347 | 7 | yes | yes | Live | no | -0.6 | A/B | R +0.3 | 93% | 14% | 4.0 | 5.4 | -1.2 | -1.4 | -0.2 | 7 | R +2.3 | R +2.0 | 8.0 | 0.0 | 10/20/08 |
| 25 | 25 | University of Cincinnati (Ohio Poll) | 346 | 39 | yes | yes | Live | no | -0.6 | A/B | R +1.3 | 94% | 21% | 3.9 | 5.7 | -1.7 | -0.9 | -0.4 | 30 | R +3.2 | R +2.4 | 3.4 | 0.46 | 11/2/12 |
| 26 | 26 | Temple University | 336 | 6 | yes | yes* | Live* | no | -0.6 | A/B | R +0.2 | 100% | 17% | 3.7 | 5.2 | -1.3 | -1.4 | -0.2 | 5 | R +2.5 | D +0.7 | 3.7 | 0.08 | 10/23/08 |
| 27 | 27 | Fox News/Beacon Research/Shaw & Co. Research | 103 | 40 | yes | yes | Live | no | -0.5 | A- | D +1.4 | 71% | 38% | 5.6 | 5.8 | 0.0 | -0.5 | -0.3 | 25 | D +2.7 | D +1.0 | 4.8 | 0.0 | 10/29/18 |
| 28 | 28 | Castleton University | 45 | 3 | yes | yes | Live | no | -0.5 | A/B | 100% | 33% | 9.9 | 9.5 | 0.6 | -1.0 | -0.1 | 0 | 0.0 | 2/10/16 | ||||
| 29 | 29 | KRC/Communications Research | 160 | 22 | yes | yes* | Live* | no | -0.5 | A/B | D +0.1 | 91% | 41% | 7.1 | 7.4 | -0.1 | -0.5 | -0.1 | 11 | D +0.7 | D +2.5 | 6.5 | 0.0 | 1/26/04 |
| 30 | 30 | Wirthlin Worldwide | 387 | 4 | yes | yes* | Live* | no | -0.5 | A/B | R +0.2 | 75% | 25% | 4.5 | 6.1 | -1.3 | -1.6 | -0.1 | 4 | R +3.9 | R +5.6 | 5.3 | 0.14 | 10/22/00 |
| 31 | 31 | Indiana University | 149 | 2 | yes | yes | Live | no | -0.5 | A/B | D +0.0 | 100% | 0% | 0.9 | 6.1 | -5.0 | -4.7 | -0.1 | 2 | D +0.9 | D +4.1 | 0.0 | 10/18/04 | |
| 32 | 32 | Siena College | 305 | 53 | yes | partial | Online/Live | no | -0.5 | A- | R +0.7 | 90% | 23% | 4.9 | 5.4 | -0.2 | -0.9 | -0.6 | 49 | R +1.1 | R +1.1 | 4.7 | 0.2 | 10/30/18 |
| 33 | 33 | Louis Harris & Associates | 173 | 2 | yes | yes* | Live* | no | -0.5 | A/B | D +0.0 | 100% | 0% | 0.9 | 5.0 | -3.9 | -5.2 | -0.1 | 2 | D +0.9 | D +5.4 | 5.5 | 0.0 | 10/31/98 |
| 34 | 34 | Market Strategies International | 189 | 1 | yes | yes* | Live* | no | -0.5 | A/B | R +0.0 | 100% | 0% | 1.1 | 6.3 | -5.0 | -5.4 | -0.1 | 1 | R +1.1 | R +4.6 | 3.6 | 1.27 | 10/28/02 |
| 35 | 35 | NBC News/The Wall Street Journal | 221 | 31 | yes | yes | Live | no | -0.4 | A- | D +0.6 | 73% | 10% | 4.0 | 5.2 | -1.0 | -0.7 | -0.3 | 26 | D +1.2 | D +0.7 | 3.1 | 0.5 | 11/2/18 |
| 36 | 36 | University of Florida | 349 | 1 | yes | yes | Live | no | -0.4 | A/B | D +0.0 | 50% | 0% | 1.1 | 4.5 | -3.3 | -1.0 | 0.0 | 1 | D +1.1 | R +0.1 | 1.4 | 1.2 | 10/26/14 |
| 37 | 37 | Gordon S. Black Corp. | 123 | 2 | yes | yes* | Live* | no | -0.4 | A/B | R +0.1 | 100% | 50% | 6.4 | 4.4 | 2.1 | 0.5 | 0.0 | 2 | R +6.4 | R +1.3 | 6.0 | 0.0 | 10/18/98 |
| 38 | 38 | Fox News/Opinion Dynamics Corp. | 104 | 34 | yes | yes* | Live* | no | -0.4 | A/B | R +0.3 | 72% | 12% | 3.9 | 5.1 | -1.1 | -0.3 | -0.1 | 28 | R +0.9 | R +1.6 | 4.1 | 0.15 | 10/27/10 |
| 39 | 39 | Yankelovich Partners Inc. | 390 | 7 | yes | yes* | Live* | no | -0.4 | A/B | R +0.0 | 50% | 43% | 8.1 | 7.1 | 1.2 | 0.2 | 0.0 | 3 | R +1.0 | R +1.8 | 4.3 | 0.23 | 10/26/00 |
| 40 | 40 | Emerson College | 88 | 165 | yes | no | IVR/Online/Text | no | -0.4 | A- | D +0.3 | 80% | 24% | 5.4 | 6.2 | -0.6 | -0.7 | -0.6 | 123 | D +0.4 | R +1.3 | 5.2 | 0.05 | 3/12/20 |
| 41 | 41 | Harvard University | 135 | 1 | yes | yes* | Live* | no | -0.4 | A/B | D +0.1 | 0% | 0% | 6.8 | 6.2 | 0.8 | 0.7 | 0.0 | 1 | D +6.8 | D +1.5 | 2.0 | 2.69 | 10/26/02 |
| 42 | 42 | Public Policy Institute of California | 262 | 16 | yes | yes | Live | no | -0.3 | A/B | R +1.0 | 100% | 25% | 5.2 | 5.5 | -0.1 | 0.0 | 0.0 | 10 | R +4.4 | R +1.1 | 0.0 | 2/12/20 | |
| 43 | 43 | University of Illinois at Chicago | 352 | 1 | yes | yes* | Live* | no | -0.3 | A/B | R +0.2 | 100% | 100% | 14.1 | 5.3 | 8.9 | 7.2 | 0.1 | 1 | R +14.1 | R +5.1 | 0.0 | 10/16/98 | |
| 44 | 44 | Abt Associates | 7 | 10 | yes | yes | Live | no | -0.3 | A/B | D +0.8 | 90% | 20% | 3.8 | 5.1 | -1.1 | -0.3 | -0.1 | 9 | D +3.3 | D +0.3 | 4.0 | 0.4 | 6/7/17 |
| 45 | 45 | Winthrop University | 386 | 2 | yes | yes | Live | no | -0.3 | A/B | D +0.0 | 100% | 50% | 12.0 | 6.4 | 5.8 | 0.6 | 0.1 | 1 | D +0.2 | R +1.2 | 3.6 | 0.27 | 2/14/20 |
| 46 | 46 | RKM Research and Communications Inc. | 272 | 34 | no | yes | Live | no | -0.3 | A- | R +0.1 | 87% | 24% | 5.3 | 6.9 | -1.4 | -1.2 | -0.6 | 20 | R +0.5 | R +1.5 | 4.5 | 0.05 | 2/7/20 |
| 47 | 47 | Georgetown University (Battleground) | 114 | 35 | yes | yes | Live | no | -0.3 | A/B | R +0.6 | 57% | 11% | 3.4 | 4.6 | -1.0 | -0.3 | -0.1 | 35 | R +1.4 | R +1.6 | 3.3 | 0.43 | 11/5/12 |
| 48 | 48 | Princeton Survey Research Associates International | 258 | 35 | yes | yes | Live | no | -0.3 | A/B | D +0.5 | 63% | 31% | 5.1 | 5.1 | 0.2 | 0.1 | 0.1 | 33 | D +1.2 | D +0.2 | 4.7 | 0.0 | 10/25/14 |
| 49 | 49 | Market Shares Corp. | 187 | 25 | yes | yes | Live | no | -0.3 | A/B | R +1.1 | 84% | 28% | 5.8 | 5.5 | 0.5 | -0.1 | 0.0 | 22 | R +4.1 | R +1.9 | 4.6 | 0.36 | 10/22/12 |
| 50 | 50 | Mason-Dixon Polling & Strategy | 197 | 433 | no | yes | Live | no | -0.3 | B+ | R +0.6 | 87% | 23% | 5.1 | 5.7 | -0.4 | -0.6 | -0.6 | 376 | R +0.7 | R +1.2 | 5.1 | 0.09 | 11/6/19 |
| 51 | 51 | CNN/Opinion Research Corp. | 37 | 103 | yes | yes | Live | no | -0.2 | B+ | D +0.0 | 72% | 25% | 5.5 | 6.2 | -0.4 | -0.2 | -0.2 | 71 | D +0.0 | D +0.1 | 5.0 | 0.09 | 10/30/16 |
| 52 | 52 | Research & Polling Inc. | 280 | 32 | no | yes | Live | no | -0.2 | B+ | R +0.9 | 84% | 9% | 4.5 | 6.0 | -1.2 | -1.5 | -0.7 | 31 | R +1.8 | R +0.5 | 3.2 | 0.56 | 10/29/18 |
| 53 | 53 | Quinnipiac University | 267 | 207 | yes | yes | Live | no | -0.2 | B+ | D +0.2 | 83% | 23% | 4.6 | 5.6 | -0.8 | -0.2 | -0.1 | 153 | D +0.2 | D +0.4 | 5.2 | 0.0 | 11/1/18 |
| 54 | 54 | EPIC-MRA | 84 | 49 | no | yes | Live | no | -0.2 | B+ | R +0.2 | 78% | 24% | 5.5 | 6.1 | -0.4 | -0.8 | -0.5 | 42 | R +0.4 | D +0.6 | 5.3 | 0.13 | 3/5/20 |
| 55 | 55 | Elway Research | 87 | 21 | no | partial | Live/Text | no | -0.2 | A/B | D +0.8 | 90% | 5% | 3.9 | 6.3 | -2.2 | -2.6 | -1.0 | 20 | D +2.1 | D +3.7 | 4.2 | 0.37 | 10/21/16 |
| 56 | 56 | St. Norbert College | 313 | 12 | no | yes | Live | no | -0.2 | A/B | D +0.2 | 88% | 0% | 3.9 | 6.7 | -2.7 | -2.4 | -0.6 | 11 | D +0.9 | D +3.0 | 5.3 | 0.22 | 10/20/14 |
| 57 | 57 | University of North Florida | 360 | 9 | yes | partial | Online/Live | no | -0.1 | A/B | D +0.7 | 44% | 33% | 4.0 | 5.9 | -1.7 | -0.4 | -0.1 | 6 | D +3.9 | D +1.4 | 4.0 | 0.04 | 3/8/20 |
| 58 | 58 | Elon University | 86 | 8 | yes | partial | Online/Live | no | -0.1 | A/B | D +0.5 | 56% | 13% | 3.2 | 4.6 | -1.3 | -1.0 | -0.2 | 8 | D +2.1 | D +0.8 | 3.6 | 0.57 | 10/25/16 |
| 59 | 59 | National Research Inc. | 225 | 10 | no | yes | Live | no | -0.1 | A/B | R +0.5 | 75% | 20% | 5.1 | 6.8 | -1.5 | -1.7 | -0.4 | 7 | R +3.3 | R +5.5 | 5.9 | 0.0 | 3/5/16 |
| 60 | 60 | Blum & Weprin Associates | 32 | 19 | no | yes | Live | no | -0.1 | A/B | R +0.7 | 95% | 21% | 4.8 | 5.2 | -0.2 | -2.1 | -0.5 | 17 | R +3.4 | D +0.9 | 4.6 | 0.04 | 10/25/10 |
| 61 | 61 | Public Religion Research Institute | 428 | 1 | yes | partial | Online/Live | no | -0.1 | A/B | D +0.0 | 100% | 0% | 0.4 | 5.1 | -4.4 | -2.9 | -0.1 | 1 | D +0.4 | D +1.7 | 2.0 | 1.23 | 10/19/18 |
| 62 | 62 | Middle Tennessee State University | 208 | 5 | yes | yes | Live | no | -0.1 | A/B | D +0.6 | 100% | 60% | 9.3 | 6.0 | 3.5 | 2.1 | 0.3 | 4 | D +4.6 | R +5.0 | 4.5 | 0.21 | 10/24/14 |
| 63 | 63 | Fleming & Associates | 96 | 17 | no | yes | Live | no | -0.1 | A/B | R +0.4 | 100% | 12% | 5.0 | 6.3 | -1.1 | -1.7 | -0.6 | 15 | R +1.4 | R +0.2 | 3.7 | 0.63 | 10/22/18 |
| 64 | 64 | University of Massachusetts Lowell | 355 | 19 | yes | no | Online | no | -0.1 | A/B | R +0.2 | 74% | 37% | 7.2 | 6.9 | 0.5 | -0.6 | -0.3 | 9 | R +0.8 | R +0.6 | 5.5 | 0.0 | 2/16/20 |
| 65 | 65 | Cygnal | 67 | 13 | no | partial | IVR/Online/Live/Text | no | -0.1 | A/B | D +1.0 | 92% | 0% | 3.0 | 5.6 | -2.4 | -3.0 | -1.1 | 13 | D +2.6 | R +1.0 | 3.5 | 0.76 | 11/8/19 |
| 66 | 66 | Angus Reid Global | 13 | 30 | no | no | Online | no | 0.0 | B+ | R +1.2 | 93% | 7% | 3.2 | 5.6 | -2.1 | -2.6 | -1.2 | 30 | R +2.6 | D +0.8 | 3.1 | 0.85 | 11/3/16 |
| 67 | 67 | Public Opinion Strategies | 260 | 64 | yes | partial | Online/Live | no | 0.0 | B+ | R +1.5 | 70% | 22% | 5.7 | 6.1 | -0.2 | -0.4 | -0.2 | 62 | R +2.4 | R +4.1 | 4.3 | 0.33 | 10/16/18 |
| 68 | 68 | Strategic Vision LLC | 320 | 133 | no | yes* | Live* | yes | 0.0 | F | R +1.5 | 89% | 18% | 3.8 | 5.1 | -1.1 | -0.4 | -0.3 | 110 | R +2.2 | R +2.1 | 4.4 | 0.12 | 11/1/08 |
| 69 | 69 | North Star Opinion Research/Ayres, McHenry & Associates | 233 | 8 | no | yes | Live | no | 0.0 | A/B | R +0.6 | 94% | 25% | 5.5 | 6.7 | -1.0 | -3.5 | -0.7 | 6 | R +3.5 | R +6.1 | 4.4 | 0.37 | 10/23/16 |
| 70 | 70 | American Viewpoint | 10 | 8 | no | yes | Live | no | 0.0 | B/C | R +0.8 | 69% | 0% | 4.2 | 5.7 | -1.3 | -1.6 | -0.3 | 8 | R +3.5 | R +3.3 | 6.3 | 0.0 | 10/17/18 |
| 71 | 71 | Landmark Communications | 166 | 39 | no | partial | IVR/Live | no | 0.0 | B | D +1.5 | 82% | 23% | 4.8 | 5.4 | -0.5 | -0.8 | -0.4 | 33 | D +2.8 | R +0.5 | 4.5 | 0.0 | 6/19/17 |
| 72 | 72 | Ward Research (Honolulu Star-Advertiser) | 375 | 15 | no | yes | Live | no | 0.0 | B/C | R +0.4 | 80% | 33% | 5.9 | 6.0 | 0.0 | -1.5 | -0.4 | 15 | R +1.4 | D +1.8 | 3.9 | 0.49 | 10/15/14 |
| 73 | 73 | University of Arkansas | 345 | 6 | no | yes | Live | no | 0.0 | B/C | D +0.7 | 100% | 0% | 4.1 | 5.3 | -1.0 | -2.6 | -0.5 | 6 | D +4.1 | R +3.9 | 6.9 | 0.0 | 10/22/16 |
| 74 | 74 | Harstad Strategic Research Inc. | 134 | 10 | no | yes | Live | no | 0.0 | B/C | D +0.6 | 75% | 10% | 3.8 | 5.9 | -1.9 | -1.6 | -0.3 | 10 | D +2.6 | D +3.3 | 5.1 | 0.0 | 10/21/14 |
| 75 | 75 | RT Strategies | 275 | 42 | yes | yes | Live | no | 0.1 | B/C | D +1.0 | 69% | 40% | 5.9 | 4.8 | 1.3 | 0.9 | 0.4 | 42 | D +2.2 | D +3.4 | 8.6 | 0.0 | 10/28/06 |
| 76 | 76 | Harper Polling | 132 | 11 | no | partial | IVR/Live | no | 0.1 | B/C | D +0.1 | 91% | 18% | 3.6 | 6.0 | -2.3 | -1.9 | -0.6 | 8 | D +0.5 | R +1.1 | 5.3 | 0.0 | 11/3/16 |
| 77 | 77 | University of South Alabama | 361 | 9 | no | yes | Live | no | 0.1 | B/C | R +0.4 | 100% | 11% | 3.3 | 5.3 | -1.8 | -2.0 | -0.3 | 9 | R +2.6 | R +2.0 | 7.2 | 0.0 | 10/14/10 |
| 78 | 78 | Public Policy Polling | 263 | 423 | no | no | IVR/Text | no | 0.1 | B | D +0.3 | 80% | 31% | 5.0 | 5.5 | -0.3 | -0.4 | -0.4 | 294 | D +0.4 | D +0.9 | 4.7 | 0.0 | 2/25/20 |
| 79 | 79 | GQR Research (GQRR) | 126 | 57 | yes | partial | Online/Live | no | 0.1 | B | D +2.1 | 56% | 14% | 4.5 | 5.3 | -0.6 | 0.1 | 0.0 | 55 | D +3.6 | D +3.4 | 4.1 | 0.13 | 10/24/18 |
| 80 | 80 | University of Wisconsin (Badger Poll) | 365 | 7 | yes | yes* | Live* | no | 0.1 | B/C | D +0.4 | 86% | 29% | 12.2 | 6.0 | 6.4 | 3.6 | 0.4 | 6 | D +4.1 | D +3.8 | 4.0 | 0.89 | 10/25/08 |
| 81 | 81 | Gallup | 112 | 84 | yes | yes | Live | no | 0.1 | B | R +0.4 | 69% | 30% | 4.3 | 5.0 | -0.6 | 0.6 | 0.4 | 69 | R +0.7 | R +1.4 | 4.1 | 0.0 | 10/22/18 |
| 82 | 82 | Rutgers University | 295 | 14 | yes | yes | Live | no | 0.1 | B/C | R +0.0 | 86% | 14% | 5.7 | 5.6 | 0.3 | 1.8 | 0.5 | 14 | R +0.1 | D +0.9 | 6.1 | 0.0 | 10/16/18 |
| 83 | 83 | Pharos Research Group | 254 | 33 | no | yes | Live | yes | 0.1 | F | D +0.8 | 92% | 15% | 3.8 | 4.9 | -1.0 | -0.4 | -0.2 | 33 | D +1.6 | D +1.1 | 4.1 | 0.22 | 10/27/12 |
| 84 | 84 | Keating Research | 161 | 5 | no | yes | Live | no | 0.1 | B/C | D +0.1 | 80% | 0% | 2.4 | 5.0 | -2.4 | -2.1 | -0.3 | 5 | D +0.9 | D +2.8 | 3.7 | 0.62 | 11/3/16 |
| 85 | 85 | American Research Group | 9 | 273 | yes | yes | Live | no | 0.2 | B | R +0.2 | 75% | 39% | 7.4 | 7.4 | 0.2 | 0.3 | 0.2 | 82 | R +0.2 | R +1.7 | 6.9 | 0.0 | 2/9/20 |
| 86 | 86 | Montana State University Billings | 216 | 7 | no | yes | Live | no | 0.2 | B/C | D +0.3 | 57% | 0% | 3.6 | 6.3 | -2.5 | -4.1 | -0.5 | 7 | D +3.0 | D +2.5 | 0.0 | 10/18/08 | |
| 87 | 87 | Greenberg Quinlan Rosner/American Viewpoint | 127 | 8 | no | yes | Live | no | 0.2 | B/C | R +0.7 | 100% | 50% | 4.4 | 4.9 | -0.3 | -0.8 | -0.2 | 6 | R +4.2 | D +1.5 | 5.4 | 0.0 | 10/26/16 |
| 88 | 88 | Financial Dynamics | 95 | 15 | no | yes* | Live* | no | 0.2 | B/C | R +0.4 | 100% | 0% | 2.6 | 4.7 | -1.9 | -1.3 | -0.3 | 15 | R +1.7 | R +2.2 | 2.4 | 0.63 | 11/1/08 |
| 89 | 89 | University of Washington | 364 | 9 | no | yes | Live | no | 0.2 | B/C | D +0.1 | 100% | 0% | 3.6 | 5.5 | -1.7 | -1.6 | -0.3 | 9 | D +0.3 | D +3.4 | 4.8 | 0.74 | 10/25/12 |
| 90 | 90 | Market Research Institute Inc. | 186 | 11 | no | yes* | Live* | no | 0.2 | B/C | D +0.1 | 100% | 27% | 4.2 | 5.3 | -1.0 | -1.6 | -0.2 | 11 | D +0.6 | D +0.4 | 5.1 | 0.35 | 10/24/04 |
| 91 | 91 | Iowa State University | 153 | 3 | no | yes | Live | no | 0.2 | B/C | 67% | 33% | 6.2 | 8.9 | -2.4 | -3.7 | -0.4 | 0 | 0.0 | 1/14/16 | ||||
| 92 | 92 | McKeon & Associates | 202 | 3 | no | yes | Live | no | 0.2 | B/C | D +0.2 | 67% | 33% | 2.9 | 5.9 | -2.9 | -4.1 | -0.4 | 2 | D +3.0 | D +0.5 | 12.8 | 0.0 | 3/12/16 |
| 93 | 93 | Christopher Newport University | 50 | 10 | no | yes | Live | no | 0.2 | B/C | D +0.7 | 100% | 30% | 5.9 | 5.1 | 1.0 | -0.4 | -0.1 | 9 | D +2.7 | D +2.1 | 5.4 | 0.0 | 2/14/20 |
| 94 | 94 | Tarrance Group | 333 | 28 | no | yes | Live | no | 0.2 | B/C | R +0.9 | 82% | 25% | 6.2 | 6.6 | -0.2 | -0.1 | 0.0 | 24 | R +2.4 | R +6.0 | 7.2 | 0.0 | 10/21/18 |
| 95 | 95 | Victory Research | 437 | 2 | no | yes | Live | no | 0.2 | B/C | D +0.0 | 100% | 0% | 2.0 | 5.9 | -3.7 | -4.6 | -0.4 | 1 | D +0.3 | 0.0 | 3/8/20 | ||
| 96 | 96 | SSRS | 297 | 18 | yes | yes | Live | no | 0.2 | B/C | D +1.2 | 50% | 22% | 5.6 | 5.3 | 0.5 | 1.3 | 0.6 | 16 | D +2.9 | D +2.7 | 5.9 | 0.0 | 2/24/20 |
| 97 | 97 | Orion Strategies | 246 | 4 | no | yes | Live | no | 0.2 | B/C | D +0.1 | 100% | 25% | 3.2 | 6.6 | -3.2 | -3.9 | -0.3 | 3 | D +1.5 | D +6.5 | 2.7 | 0.35 | 10/12/10 |
| 98 | 98 | CJ&N | 63 | 4 | no | yes* | Live* | no | 0.2 | B/C | D +0.1 | 100% | 25% | 3.5 | 7.6 | -3.9 | -3.3 | -0.3 | 1 | D +3.2 | 0.0 | 10/26/10 | ||
| 99 | 99 | Marshall Marketing & Communications | 196 | 4 | no | yes* | Live* | no | 0.3 | B/C | R +0.2 | 100% | 0% | 3.4 | 6.6 | -3.1 | -1.9 | -0.2 | 3 | R +2.9 | R +1.2 | 0.0 | 10/21/08 | |
| 100 | 100 | YouGov | 391 | 416 | no | no | Online | no | 0.3 | B | D +0.4 | 88% | 30% | 4.9 | 5.2 | -0.1 | -0.2 | -0.2 | 357 | D +0.4 | D +0.2 | 4.6 | 0.0 | 3/7/20 |
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CREATE TABLE "pollster-ratings/2020/pollster-ratings" ( "Pollster" TEXT, "Pollster Rating ID" INTEGER, "# of Polls" INTEGER, "NCPP / AAPOR / Roper" TEXT, "Live Caller With Cellphones" TEXT, "Methodology" TEXT, "Banned by 538" TEXT, "Predictive Plus-Minus" REAL, "538 Grade" TEXT, "Mean-Reverted Bias" TEXT, "Races Called Correctly" TEXT, "Misses Outside MOE" TEXT, "Simple Average Error" REAL, "Simple Expected Error" REAL, "Simple Plus-Minus" REAL, "Advanced Plus-Minus" REAL, "Mean-Reverted Advanced Plus Minus" REAL, "# of Polls for Bias Analysis" INTEGER, "Bias" TEXT, "House Effect" TEXT, "Average Distance from Polling Average (ADPA)" REAL, "Herding Penalty" REAL, "latest_poll" TEXT );