pollster-ratings/2018/pollster-ratings
Data license: CC Attribution 4.0 License · Data source: fivethirtyeight/data on GitHub · About: simonw/fivethirtyeight-datasette
396 rows
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Suggested facets: NCPP / AAPOR / Roper, Exclusively Live Caller With Cellphones, Methodology, Banned by 538, 538 Grade, Mean-Reverted Advanced Plus Minus
| Link | rowid ▼ | Pollster | # of Polls | NCPP / AAPOR / Roper | Exclusively Live Caller With Cellphones | Methodology | Banned by 538 | Historical Advanced Plus-Minus | 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 | Predictive Plus-Minus | # of Polls for Bias Analysis | Bias | Mean-Reverted Bias.1 | House Effect |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Selzer & Co. | 43 | yes | yes | Live | no | -1.9 | -1.4 | A+ | R +0.0 | 86% | 21% | 4.2 | 5.6 | -1.4 | -1.9 | -1.1 | -1.4 | 30 | R +0.0 | R +0.0 | D +0.1 |
| 2 | 2 | Monmouth University | 95 | yes | yes | Live | no | -1.5 | -1.3 | A+ | D +1.4 | 80% | 17% | 5.3 | 6.2 | -0.8 | -1.5 | -1.1 | -1.3 | 65 | D +2.1 | D +1.4 | R +0.7 |
| 3 | 3 | Field Research Corp. (Field Poll) | 25 | yes | yes | Live | no | -2.5 | -1.1 | A+ | R +1.2 | 100% | 16% | 3.9 | 5.7 | -1.8 | -2.5 | -1.1 | -1.1 | 18 | R +3.3 | R +1.2 | D +0.6 |
| 4 | 4 | ABC News/Washington Post | 60 | yes | yes | Live | no | -1.3 | -1.1 | A+ | D +0.6 | 78% | 5% | 2.9 | 4.6 | -1.8 | -1.3 | -0.9 | -1.1 | 55 | D +0.9 | D +0.6 | D +1.5 |
| 5 | 5 | Elway Research | 21 | yes | yes | Live | no | -2.2 | -1.1 | A+ | D +0.5 | 90% | 5% | 3.9 | 5.9 | -1.9 | -2.2 | -0.9 | -1.1 | 20 | D +1.2 | D +0.5 | D +3.2 |
| 6 | 6 | Ciruli Associates | 17 | yes | yes | Live | no | -2.1 | -1.0 | A+ | R +0.7 | 94% | 0% | 3.6 | 5.6 | -2.0 | -2.1 | -0.7 | -1.0 | 16 | R +2.1 | R +0.7 | R +2.5 |
| 7 | 7 | SurveyUSA | 777 | yes | no | IVR/Online/Live | no | -1.1 | -0.9 | A | D +0.1 | 90% | 16% | 4.6 | 5.6 | -1.0 | -1.1 | -1.0 | -0.9 | 615 | D +0.1 | D +0.1 | R +0.3 |
| 8 | 8 | Muhlenberg College | 26 | yes | yes | Live | no | -1.3 | -0.9 | A | R +0.2 | 83% | 8% | 3.5 | 5.3 | -1.9 | -1.3 | -0.6 | -0.9 | 25 | R +0.5 | R +0.2 | D +0.0 |
| 9 | 9 | Marist College | 159 | yes | yes | Live | no | -0.9 | -0.9 | A | R +0.5 | 85% | 19% | 5.2 | 6.0 | -0.8 | -0.9 | -0.7 | -0.9 | 99 | R +0.6 | R +0.5 | D +0.0 |
| 10 | 10 | Grove Insight | 29 | no | yes | Live | no | -2.3 | -0.8 | A | D +0.5 | 90% | 7% | 3.1 | 5.1 | -2.0 | -2.3 | -1.1 | -0.8 | 29 | D +1.0 | D +0.5 | D +3.4 |
| 11 | 11 | National Journal | 12 | yes | yes | Live | no | -2.4 | -0.8 | A | R +0.2 | 100% | 0% | 2.6 | 5.3 | -2.7 | -2.4 | -0.7 | -0.8 | 12 | R +0.6 | R +0.2 | D +0.3 |
| 12 | 12 | Public Policy Institute of California | 12 | yes | yes | Live | no | -2.0 | -0.8 | A | R +0.7 | 100% | 8% | 4.1 | 6.2 | -2.1 | -2.0 | -0.6 | -0.8 | 8 | R +3.4 | R +0.7 | R +1.0 |
| 13 | 13 | University of Cincinnati (Ohio Poll) | 38 | yes | yes | Live | no | -1.0 | -0.8 | A | R +1.5 | 93% | 16% | 3.7 | 5.5 | -1.8 | -1.0 | -0.6 | -0.8 | 29 | R +3.0 | R +1.5 | R +2.3 |
| 14 | 14 | Siena College | 60 | yes | yes | Live | no | -0.9 | -0.8 | A | D +0.1 | 82% | 15% | 4.9 | 5.3 | -0.3 | -0.9 | -0.6 | -0.8 | 56 | D +0.1 | D +0.1 | R +0.7 |
| 15 | 15 | Fairleigh Dickinson University (PublicMind) | 18 | yes | yes | Live | no | -1.4 | -0.7 | A | D +0.0 | 94% | 6% | 4.1 | 5.4 | -1.3 | -1.4 | -0.5 | -0.7 | 17 | D +0.1 | D +0.0 | D +3.1 |
| 16 | 16 | Fox News/Anderson Robbins Research/Shaw & Co. Research | 31 | yes | yes | Live | no | -0.9 | -0.7 | A | D +0.6 | 69% | 35% | 5.6 | 6.0 | -0.4 | -0.9 | -0.5 | -0.7 | 16 | D +1.8 | D +0.6 | D +0.9 |
| 17 | 17 | Marquette University Law School | 9 | yes | yes | Live | no | -2.5 | -0.7 | A | D +0.3 | 78% | 11% | 3.3 | 5.8 | -2.5 | -2.5 | -0.6 | -0.7 | 6 | D +1.5 | D +0.3 | R +0.0 |
| 18 | 18 | Research & Polling Inc. | 27 | no | yes | Live | no | -1.7 | -0.6 | A | R +0.5 | 85% | 7% | 4.3 | 5.6 | -1.3 | -1.7 | -0.8 | -0.6 | 26 | R +1.1 | R +0.5 | R +1.2 |
| 19 | 19 | Behavior Research Center (Rocky Mountain) | 7 | yes | yes | Live | no | -2.6 | -0.6 | A- | D +0.1 | 71% | 0% | 3.5 | 6.5 | -3.0 | -2.6 | -0.5 | -0.6 | 5 | D +0.6 | D +0.1 | R +2.1 |
| 20 | 20 | Blum & Weprin Associates | 18 | no | yes | Live | no | -2.6 | -0.6 | A- | R +1.0 | 94% | 11% | 4.6 | 5.2 | -0.6 | -2.6 | -1.0 | -0.6 | 16 | R +3.0 | R +1.0 | D +1.2 |
| 21 | 21 | CBS News/New York Times | 53 | yes | yes | Live | no | -0.5 | -0.5 | A- | D +0.4 | 76% | 17% | 4.6 | 5.3 | -0.7 | -0.5 | -0.3 | -0.5 | 43 | D +0.7 | D +0.4 | D +1.8 |
| 22 | 22 | University of Arkansas | 6 | yes | yes | Live | no | -3.1 | -0.5 | A- | D +0.6 | 100% | 0% | 3.8 | 5.3 | -1.6 | -3.1 | -0.5 | -0.5 | 6 | D +3.8 | D +0.6 | R +3.9 |
| 23 | 23 | University of Connecticut | 7 | yes | yes | Live | no | -1.7 | -0.5 | A- | R +0.4 | 93% | 0% | 3.6 | 5.5 | -1.9 | -1.7 | -0.3 | -0.5 | 7 | R +1.9 | R +0.4 | R +2.0 |
| 24 | 24 | Los Angeles Times | 38 | yes | yes | Live | no | -0.4 | -0.5 | A- | R +0.4 | 86% | 16% | 5.0 | 6.2 | -1.2 | -0.4 | -0.2 | -0.5 | 23 | R +1.0 | R +0.4 | D +0.7 |
| 25 | 25 | IBD/TIPP | 21 | no | yes | Live | no | -1.5 | -0.5 | A- | R +0.8 | 71% | 5% | 2.2 | 3.7 | -1.5 | -1.5 | -0.6 | -0.5 | 21 | R +1.9 | R +0.8 | R +1.4 |
| 26 | 26 | RKM Research and Communications Inc. | 28 | no | yes | Live | no | -1.3 | -0.4 | A- | R +0.2 | 88% | 18% | 5.3 | 6.2 | -0.9 | -1.3 | -0.6 | -0.4 | 20 | R +0.5 | R +0.2 | R +1.5 |
| 27 | 27 | MassINC Polling Group | 14 | no | yes | Live | no | -2.4 | -0.4 | A- | R +0.4 | 86% | 7% | 3.2 | 6.3 | -3.1 | -2.4 | -0.8 | -0.4 | 10 | R +1.7 | R +0.4 | R +0.9 |
| 28 | 28 | Elon University | 7 | yes | yes | Live | no | -1.2 | -0.4 | A- | D +0.5 | 50% | 0% | 3.2 | 4.7 | -1.4 | -1.2 | -0.2 | -0.4 | 7 | D +2.7 | D +0.5 | D +1.1 |
| 29 | 29 | Quinnipiac University | 195 | yes | yes | Live | no | -0.3 | -0.4 | A- | D +0.1 | 85% | 23% | 4.6 | 5.5 | -0.9 | -0.3 | -0.3 | -0.4 | 143 | D +0.1 | D +0.1 | D +0.5 |
| 30 | 30 | SSRS | 5 | yes | yes | Live | no | -1.5 | -0.4 | A- | R +0.1 | 20% | 20% | 3.1 | 4.1 | -1.0 | -1.5 | -0.2 | -0.4 | 5 | R +0.5 | R +0.1 | D +1.0 |
| 31 | 31 | Angus Reid Global | 30 | no | no | Online | no | -1.9 | -0.4 | A- | R +1.3 | 93% | 3% | 3.2 | 4.9 | -1.7 | -1.9 | -0.9 | -0.4 | 30 | R +2.6 | R +1.3 | D +0.9 |
| 32 | 32 | University of North Florida | 6 | yes | yes | Live | no | -1.0 | -0.4 | A- | D +0.5 | 50% | 0% | 4.0 | 6.1 | -2.1 | -1.0 | -0.2 | -0.4 | 4 | D +4.0 | D +0.5 | D +1.6 |
| 33 | 33 | Western New England University | 12 | yes | yes | Live | no | -0.4 | -0.3 | A- | R +1.1 | 88% | 25% | 5.6 | 5.7 | -0.1 | -0.4 | -0.1 | -0.3 | 11 | R +3.9 | R +1.1 | R +0.3 |
| 34 | 34 | NBC News/Wall Street Journal | 27 | yes | yes | Live | no | -0.2 | -0.3 | A- | D +0.8 | 72% | 15% | 4.2 | 5.1 | -0.9 | -0.2 | -0.1 | -0.3 | 22 | D +1.9 | D +0.8 | D +1.4 |
| 35 | 35 | St. Norbert College | 12 | no | yes | Live | no | -1.8 | -0.3 | A- | D +0.3 | 88% | 0% | 3.9 | 6.1 | -2.3 | -1.8 | -0.5 | -0.3 | 11 | D +0.9 | D +0.3 | D +2.9 |
| 36 | 36 | Mason-Dixon Polling & Research Inc. | 420 | no | yes | Live | no | -0.5 | -0.3 | B+ | R +0.7 | 86% | 20% | 5.2 | 5.5 | -0.2 | -0.5 | -0.5 | -0.3 | 363 | R +0.8 | R +0.7 | R +1.0 |
| 37 | 37 | Lake Research Partners | 10 | no | yes | Live | no | -2.0 | -0.3 | B+ | D +0.6 | 80% | 10% | 3.9 | 5.7 | -1.7 | -2.0 | -0.5 | -0.3 | 10 | D +2.4 | D +0.6 | D +3.3 |
| 38 | 38 | Abt Associates | 8 | yes | yes | Live | no | -0.4 | -0.3 | B+ | D +0.7 | 88% | 13% | 4.1 | 5.2 | -1.1 | -0.4 | -0.1 | -0.3 | 7 | D +3.8 | D +0.7 | D +0.7 |
| 39 | 39 | Castleton University | 3 | yes | yes | Live | no | -1.2 | -0.3 | B+ | 100% | 0% | 9.9 | 9.7 | 0.3 | -1.2 | -0.1 | -0.3 | 0 | ||||
| 40 | 40 | Emerson College | 85 | yes | no | IVR | no | -0.6 | -0.3 | B+ | D +0.1 | 75% | 16% | 5.6 | 6.0 | -0.3 | -0.6 | -0.4 | -0.3 | 58 | D +0.2 | D +0.1 | R +1.8 |
| 41 | 41 | EPIC-MRA | 45 | no | yes | Live | no | -0.7 | -0.3 | B+ | R +0.2 | 80% | 18% | 5.1 | 5.7 | -0.5 | -0.7 | -0.4 | -0.3 | 40 | R +0.3 | R +0.2 | D +0.8 |
| 42 | 42 | High Point University | 2 | yes | yes | Live | no | -4.6 | -0.3 | B+ | D +0.0 | 100% | 0% | 1.0 | 4.5 | -3.5 | -4.6 | -0.3 | -0.3 | 2 | D +0.1 | D +0.0 | D +1.8 |
| 43 | 43 | Indiana University | 2 | yes | yes | Live | no | -4.4 | -0.3 | B+ | D +0.1 | 100% | 0% | 0.9 | 5.8 | -4.9 | -4.4 | -0.3 | -0.3 | 2 | D +0.9 | D +0.1 | D +4.1 |
| 44 | 44 | CNN/Opinion Research Corp. | 98 | yes | yes | Live | no | -0.1 | -0.2 | B+ | D +0.1 | 72% | 23% | 5.4 | 5.7 | -0.3 | -0.1 | -0.1 | -0.2 | 70 | D +0.1 | D +0.1 | D +0.1 |
| 45 | 45 | Fleming & Associates | 15 | no | yes | Live | no | -1.3 | -0.2 | B+ | R +0.3 | 100% | 0% | 5.1 | 5.9 | -0.8 | -1.3 | -0.4 | -0.2 | 13 | R +1.0 | R +0.3 | R +0.2 |
| 46 | 46 | Princeton Survey Research Associates International | 33 | yes | yes | Live | no | 0.0 | -0.2 | B+ | D +0.3 | 70% | 27% | 4.8 | 5.0 | -0.2 | 0.0 | 0.0 | -0.2 | 31 | D +0.5 | D +0.3 | R +0.2 |
| 47 | 47 | Market Shares Corp. | 26 | yes | yes | Live | no | 0.1 | -0.2 | B+ | R +1.7 | 85% | 19% | 6.8 | 5.6 | 1.2 | 0.1 | 0.0 | -0.2 | 22 | R +4.1 | R +1.7 | R +2.0 |
| 48 | 48 | Ward Research (Honolulu Star-Advertiser) | 14 | no | yes | Live | no | -1.3 | -0.2 | B+ | R +0.6 | 75% | 29% | 6.0 | 5.9 | 0.1 | -1.3 | -0.4 | -0.2 | 14 | R +1.7 | R +0.6 | D +0.7 |
| 49 | 49 | University of Massachusetts Lowell | 17 | no | yes | Live | no | -1.1 | -0.2 | B+ | R +0.2 | 88% | 12% | 4.5 | 6.4 | -1.9 | -1.1 | -0.4 | -0.2 | 9 | R +0.8 | R +0.2 | R +0.7 |
| 50 | 50 | University of South Alabama | 8 | no | yes | Live | no | -3.1 | -0.2 | B+ | R +0.4 | 100% | 0% | 2.8 | 5.2 | -2.4 | -3.1 | -0.7 | -0.2 | 8 | R +1.9 | R +0.4 | R +2.2 |
| 51 | 51 | Winthrop University | 1 | yes | yes | Live | no | -3.9 | -0.2 | B+ | D +0.0 | 100% | 0% | 0.2 | 4.2 | -4.0 | -3.9 | -0.1 | -0.2 | 1 | D +0.2 | D +0.0 | R +0.9 |
| 52 | 52 | University of Florida | 1 | yes | yes | Live | no | -2.0 | -0.2 | B+ | D +0.0 | 50% | 0% | 1.1 | 4.9 | -3.8 | -2.0 | -0.1 | -0.2 | 1 | D +1.1 | D +0.0 | R +0.9 |
| 53 | 53 | National Research Inc. | 8 | no | yes | Live | no | -1.9 | -0.2 | B+ | R +0.5 | 81% | 13% | 5.1 | 6.4 | -1.4 | -1.9 | -0.4 | -0.2 | 6 | R +2.7 | R +0.5 | R +4.6 |
| 54 | 54 | Stockton University | 8 | no | yes | Live | no | -1.9 | -0.2 | B+ | D +0.3 | 100% | 13% | 3.6 | 5.2 | -1.6 | -1.9 | -0.4 | -0.2 | 8 | D +1.5 | D +0.3 | D +0.2 |
| 55 | 55 | Suffolk University | 74 | no | yes | Live | no | -0.4 | -0.1 | B+ | D +0.6 | 81% | 19% | 5.0 | 6.4 | -1.3 | -0.4 | -0.3 | -0.1 | 44 | D +1.0 | D +0.6 | D +2.0 |
| 56 | 56 | Market Research Insight | 7 | no | yes | Live | no | -4.6 | -0.1 | B+ | D +0.1 | 100% | 0% | 1.8 | 5.0 | -3.2 | -4.6 | -0.9 | -0.1 | 7 | D +0.3 | D +0.1 | D +2.0 |
| 57 | 57 | Montana State University Billings | 7 | no | yes | Live | no | -3.8 | -0.1 | B+ | D +0.6 | 57% | 0% | 3.6 | 5.9 | -2.3 | -3.8 | -0.7 | -0.1 | 7 | D +3.0 | D +0.6 | D +2.6 |
| 58 | 58 | Data Orbital | 7 | no | yes | Live | no | -2.6 | -0.1 | B+ | D +0.1 | 100% | 0% | 1.8 | 4.6 | -2.8 | -2.6 | -0.5 | -0.1 | 7 | D +0.4 | D +0.1 | R +2.6 |
| 59 | 59 | Riley Research Associates | 7 | no | yes | Live | no | -2.4 | -0.1 | B+ | R +0.1 | 100% | 0% | 2.7 | 5.6 | -2.9 | -2.4 | -0.5 | -0.1 | 7 | R +0.6 | R +0.1 | R +1.4 |
| 60 | 60 | RT Strategies | 42 | yes | yes | Live | no | 0.2 | -0.1 | B+ | D +1.1 | 71% | 40% | 5.8 | 5.3 | 0.5 | 0.2 | 0.1 | -0.1 | 42 | D +1.9 | D +1.1 | D +3.5 |
| 61 | 61 | University of Washington | 9 | no | yes | Live | no | -1.4 | -0.1 | B+ | D +0.1 | 100% | 0% | 3.7 | 5.1 | -1.4 | -1.4 | -0.3 | -0.1 | 9 | D +0.3 | D +0.1 | D +3.4 |
| 62 | 62 | Davis, Hibbitts & Midghall Inc. | 14 | no | yes | Live | no | -0.9 | -0.1 | B+ | R +0.1 | 86% | 7% | 4.1 | 5.4 | -1.3 | -0.9 | -0.3 | -0.1 | 12 | R +0.3 | R +0.1 | D +0.3 |
| 63 | 63 | Ipsos | 56 | yes | no | Online | no | -0.3 | -0.1 | B+ | D +0.6 | 75% | 18% | 4.4 | 4.8 | -0.4 | -0.3 | -0.2 | -0.1 | 50 | D +1.0 | D +0.6 | D +1.3 |
| 64 | 64 | Harstad Strategic Research Inc. | 9 | no | yes | Live | no | -1.3 | -0.1 | B+ | D +0.8 | 72% | 11% | 3.8 | 5.8 | -2.0 | -1.3 | -0.3 | -0.1 | 9 | D +3.4 | D +0.8 | D +3.1 |
| 65 | 65 | Pan Atlantic SMS Group | 17 | no | yes | Live | no | -0.7 | -0.1 | B+ | D +0.9 | 91% | 24% | 6.8 | 6.4 | 0.4 | -0.7 | -0.3 | -0.1 | 15 | D +2.8 | D +0.9 | D +1.5 |
| 66 | 66 | Garin-Hart-Yang Research Group | 23 | no | yes | Live | no | -0.5 | -0.1 | B+ | D +1.5 | 85% | 35% | 5.7 | 5.7 | 0.0 | -0.5 | -0.2 | -0.1 | 23 | D +3.5 | D +1.5 | D +4.6 |
| 67 | 67 | American Viewpoint | 6 | no | yes | Live | no | -1.8 | 0.0 | B+ | R +0.6 | 67% | 0% | 4.0 | 5.6 | -1.7 | -1.8 | -0.3 | 0.0 | 6 | R +3.8 | R +0.6 | R +3.2 |
| 68 | 68 | Greenberg Quinlan Rosner/American Viewpoint | 7 | no | yes | Live | no | -1.5 | 0.0 | B+ | R +0.7 | 100% | 57% | 4.8 | 5.3 | -0.4 | -1.5 | -0.3 | 0.0 | 5 | R +4.9 | R +0.7 | D +1.8 |
| 69 | 69 | Christopher Newport University | 7 | no | yes | Live | no | -1.5 | 0.0 | B+ | D +0.5 | 100% | 14% | 3.9 | 4.7 | -0.8 | -1.5 | -0.3 | 0.0 | 7 | D +2.6 | D +0.5 | D +1.2 |
| 70 | 70 | Pharos Research Group | 31 | no | yes | Live | yes | -0.3 | 0.0 | F | D +0.9 | 92% | 16% | 4.0 | 4.9 | -0.9 | -0.3 | -0.2 | 0.0 | 31 | D +1.7 | D +0.9 | D +0.9 |
| 71 | 71 | Temple University | 6 | yes | no | Live* | no | -1.5 | 0.0 | B | R +0.4 | 100% | 17% | 3.7 | 5.2 | -1.6 | -1.5 | -0.3 | 0.0 | 5 | R +2.5 | R +0.4 | D +0.8 |
| 72 | 72 | Keating Research Inc. | 5 | no | yes | Live | no | -1.8 | 0.0 | B | D +0.1 | 80% | 0% | 2.4 | 4.5 | -2.1 | -1.8 | -0.3 | 0.0 | 5 | D +0.9 | D +0.1 | D +3.0 |
| 73 | 73 | Clemson University | 5 | no | yes | Live | no | -1.8 | 0.0 | B | R +0.5 | 100% | 40% | 10.3 | 7.7 | 2.6 | -1.8 | -0.3 | 0.0 | 1 | R +16.7 | R +0.5 | R +9.7 |
| 74 | 74 | Public Policy Polling | 411 | no | no | IVR/Online | no | -0.4 | 0.0 | B | D +0.3 | 80% | 28% | 4.9 | 5.4 | -0.4 | -0.4 | -0.4 | 0.0 | 292 | D +0.3 | D +0.3 | D +1.0 |
| 75 | 75 | Orion Strategies | 4 | no | yes | Live | no | -3.8 | 0.0 | B | D +0.1 | 100% | 0% | 3.1 | 6.2 | -3.2 | -3.8 | -0.4 | 0.0 | 3 | D +1.3 | D +0.1 | D +6.3 |
| 76 | 76 | Strategies 360 | 4 | no | yes | Live | no | -3.0 | 0.0 | B | R +0.1 | 63% | 0% | 2.0 | 5.3 | -3.3 | -3.0 | -0.3 | 0.0 | 4 | R +0.6 | R +0.1 | D +1.0 |
| 77 | 77 | Landmark Communications | 38 | no | no | IVR/Online | no | -0.9 | 0.1 | B | D +1.4 | 82% | 18% | 4.7 | 5.4 | -0.7 | -0.9 | -0.5 | 0.1 | 32 | D +2.7 | D +1.4 | R +0.5 |
| 78 | 78 | YouGov | 375 | no | no | Online | no | -0.4 | 0.1 | B | D +0.3 | 88% | 25% | 5.0 | 5.1 | -0.1 | -0.4 | -0.3 | 0.1 | 327 | D +0.3 | D +0.3 | D +0.3 |
| 79 | 79 | Public Opinion Strategies | 57 | no | yes | Live | no | -0.1 | 0.1 | B | R +1.5 | 68% | 23% | 6.0 | 5.8 | 0.2 | -0.1 | -0.1 | 0.1 | 55 | R +2.3 | R +1.5 | R +4.3 |
| 80 | 80 | Global Strategy Group/National Research (Philadelphia Inquirer) | 4 | no | yes | Live | no | -1.6 | 0.1 | B | R +0.3 | 100% | 0% | 3.0 | 5.0 | -2.0 | -1.6 | -0.2 | 0.1 | 4 | R +2.7 | R +0.3 | D +0.1 |
| 81 | 81 | Strategic Vision LLC | 129 | no | no | Live* | yes | -0.4 | 0.1 | F | R +1.9 | 88% | 16% | 4.0 | 5.0 | -1.0 | -0.4 | -0.4 | 0.1 | 106 | R +2.4 | R +1.9 | R +2.3 |
| 82 | 82 | Cole Hargrave Snodgrass & Associates | 4 | no | yes | Live | no | -1.5 | 0.1 | B | D +0.3 | 75% | 25% | 6.3 | 6.2 | 0.2 | -1.5 | -0.2 | 0.1 | 3 | D +3.4 | D +0.3 | R +2.3 |
| 83 | 83 | Tarrance Group | 24 | no | yes | Live | no | -0.2 | 0.1 | B | R +0.7 | 83% | 21% | 6.2 | 6.4 | -0.2 | -0.2 | -0.1 | 0.1 | 20 | R +1.7 | R +0.7 | R +5.4 |
| 84 | 84 | Iowa State University | 3 | no | yes | Live | no | -3.5 | 0.1 | B | 67% | 33% | 6.3 | 8.9 | -2.6 | -3.5 | -0.3 | 0.1 | 0 | ||||
| 85 | 85 | Missouri State University | 3 | no | yes | Live | no | -2.6 | 0.1 | B | D +0.4 | 67% | 0% | 4.4 | 6.7 | -2.3 | -2.6 | -0.2 | 0.1 | 3 | D +4.1 | D +0.4 | D +1.2 |
| 86 | 86 | Voter/Consumer Research | 6 | no | yes | Live | no | -0.9 | 0.1 | B | D +0.1 | 100% | 50% | 5.5 | 5.7 | -0.2 | -0.9 | -0.1 | 0.1 | 6 | D +0.3 | D +0.1 | R +3.0 |
| 87 | 87 | GBA Strategies | 3 | no | yes | Live | no | -1.9 | 0.1 | B | R +0.0 | 67% | 0% | 4.7 | 6.1 | -1.4 | -1.9 | -0.2 | 0.1 | 3 | R +0.2 | R +0.0 | D +4.0 |
| 88 | 88 | Mellman Group | 21 | no | yes | Live | no | -0.1 | 0.1 | B | D +1.6 | 79% | 14% | 4.9 | 5.1 | -0.2 | -0.1 | -0.1 | 0.1 | 21 | D +4.0 | D +1.6 | D +5.4 |
| 89 | 89 | Fox News/Opinion Dynamics Corp. | 34 | yes | no | Live* | no | -0.1 | 0.1 | B | R +0.5 | 72% | 9% | 3.9 | 4.9 | -1.0 | -0.1 | 0.0 | 0.1 | 28 | R +1.0 | R +0.5 | R +1.6 |
| 90 | 90 | GfK Group | 21 | yes | no | Online | no | -0.1 | 0.1 | B | D +0.3 | 88% | 19% | 3.9 | 4.8 | -0.9 | -0.1 | -0.1 | 0.1 | 21 | D +0.6 | D +0.3 | D +1.2 |
| 91 | 91 | Market Decisions | 4 | no | yes | Live | no | -1.2 | 0.1 | B | R +0.1 | 100% | 25% | 5.2 | 5.1 | 0.0 | -1.2 | -0.1 | 0.1 | 4 | R +0.5 | R +0.1 | D +0.4 |
| 92 | 92 | Richmond Times-Dispatch | 4 | no | yes | Live | no | -1.1 | 0.1 | B | D +0.3 | 100% | 0% | 3.3 | 4.6 | -1.3 | -1.1 | -0.1 | 0.1 | 4 | D +2.9 | D +0.3 | D +2.4 |
| 93 | 93 | Y2 Analytics | 4 | no | yes | Live | no | -1.0 | 0.1 | B | D +0.3 | 100% | 50% | 9.6 | 5.7 | 3.9 | -1.0 | -0.1 | 0.1 | 3 | D +3.3 | D +0.3 | R +6.5 |
| 94 | 94 | New England College | 15 | no | no | IVR | no | -1.4 | 0.2 | B | R +0.6 | 77% | 0% | 3.0 | 4.9 | -1.9 | -1.4 | -0.5 | 0.2 | 15 | R +1.9 | R +0.6 | R +3.5 |
| 95 | 95 | McKeon & Associates | 2 | no | yes | Live | no | -6.5 | 0.2 | B | R +0.0 | 100% | 0% | 0.9 | 6.5 | -5.5 | -6.5 | -0.4 | 0.2 | 1 | R +0.9 | R +0.0 | R +2.0 |
| 96 | 96 | RBI Strategies & Research | 2 | no | yes | Live | no | -6.4 | 0.2 | B | R +0.0 | 100% | 0% | 0.7 | 5.4 | -4.6 | -6.4 | -0.4 | 0.2 | 1 | R +0.7 | R +0.0 | D +3.5 |
| 97 | 97 | Frederick Polls | 2 | no | yes | Live | no | -5.0 | 0.2 | B | R +0.0 | 75% | 0% | 2.4 | 6.4 | -4.0 | -5.0 | -0.3 | 0.2 | 1 | R +0.6 | R +0.0 | D +3.0 |
| 98 | 98 | APC Research | 2 | no | yes | Live | no | -3.4 | 0.2 | B | D +0.2 | 100% | 0% | 2.5 | 5.4 | -2.8 | -3.4 | -0.2 | 0.2 | 2 | D +2.5 | D +0.2 | R +0.6 |
| 99 | 99 | Tulchin Research | 2 | no | yes | Live | no | -3.0 | 0.2 | B | R +0.2 | 100% | 0% | 3.5 | 4.9 | -1.5 | -3.0 | -0.2 | 0.2 | 2 | R +3.5 | R +0.2 | D +3.2 |
| 100 | 100 | Harper Polling | 11 | no | no | IVR | no | -1.8 | 0.2 | B | D +0.1 | 91% | 9% | 3.6 | 5.8 | -2.3 | -1.8 | -0.5 | 0.2 | 8 | D +0.5 | D +0.1 | R +1.1 |
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CREATE TABLE "pollster-ratings/2018/pollster-ratings" ( "Pollster" TEXT, "# of Polls" INTEGER, "NCPP / AAPOR / Roper" TEXT, "Exclusively Live Caller With Cellphones" TEXT, "Methodology" TEXT, "Banned by 538" TEXT, "Historical Advanced Plus-Minus" REAL, "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, "Predictive Plus-Minus" REAL, "# of Polls for Bias Analysis" INTEGER, "Bias" TEXT, "Mean-Reverted Bias.1" TEXT, "House Effect" TEXT );