pollster-ratings/2020/pollster-ratings
Data license: CC Attribution 4.0 License · Data source: fivethirtyeight/data on GitHub · About: simonw/fivethirtyeight-datasette
453 rows sorted by Bias
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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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | ||||
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 | ||||
115 | 115 | Park Street Strategies | 534 | 1 | no | yes | Live | no | 0.3 | B/C | 100% | 0% | 2.4 | 7.7 | -5.1 | -2.8 | -0.1 | 0 | 4.6 | 0.0 | 1/26/20 | |||
128 | 128 | Public Opinion Strategies/Hamilton Campaigns (Texas Credit Union League) | 261 | 2 | no | yes* | Live* | no | 0.3 | B/C | 100% | 50% | 6.9 | 9.4 | -2.4 | -2.3 | -0.1 | 0 | 0.0 | 2/12/08 | ||||
129 | 129 | Personal Marketing Research | 252 | 3 | no | yes* | Live* | no | 0.3 | B/C | 67% | 33% | 5.4 | 8.3 | -2.7 | -2.6 | -0.1 | 0 | 6.1 | 0.03 | 1/6/04 | |||
131 | 131 | Targeted Persuasion | 579 | 1 | no | yes | Live | no | 0.4 | B/C | 100% | 0% | 0.9 | 8.3 | -7.2 | -6.4 | -0.3 | 0 | 0.0 | 5/24/16 | ||||
132 | 132 | University of Houston | 351 | 1 | no | yes | Live | no | 0.4 | B/C | 100% | 0% | 2.0 | 8.5 | -6.3 | -6.3 | -0.3 | 0 | 0.0 | 2/17/16 | ||||
135 | 135 | Merrill Poll | 206 | 2 | no | yes | Live | no | 0.4 | B/C | 100% | 50% | 8.7 | 9.1 | -0.2 | -0.7 | -0.1 | 0 | 0.0 | 3/9/16 | ||||
149 | 149 | QEV Analytics | 266 | 1 | no | yes | Live | no | 0.4 | B/C | 100% | 0% | 2.0 | 6.5 | -4.3 | -6.3 | -0.2 | 0 | 0.0 | 11/2/09 | ||||
150 | 150 | Baruch College | 22 | 2 | no | yes | Live | no | 0.4 | B/C | 100% | 0% | 5.7 | 8.7 | -2.9 | -0.3 | 0.0 | 0 | 9.2 | 0.0 | 4/8/16 | |||
157 | 157 | New Mexico State University | 230 | 1 | no | yes* | Live* | no | 0.4 | B/C | 0% | 0% | 7.1 | 8.6 | -1.3 | -1.7 | 0.0 | 0 | 0.0 | 1/27/08 | ||||
163 | 163 | Canisius College | 43 | 1 | no | yes* | Live* | no | 0.4 | B/C | 100% | 0% | 0.1 | 8.6 | -8.3 | -5.7 | -0.1 | 0 | 0.0 | 2/19/04 | ||||
170 | 170 | Vox Populi Communications | 529 | 1 | no | yes* | Live* | no | 0.4 | B/C | 100% | 0% | 3.5 | 8.6 | -4.9 | -3.0 | 0.0 | 0 | 6.0 | 0.0 | 2/15/00 | |||
174 | 174 | Overtime Politics | 247 | 12 | no | yes | Live | yes | 0.4 | F | 67% | 42% | 9.8 | 8.9 | 1.1 | 0.4 | 0.1 | 0 | 6.9 | 0.0 | 2/22/16 | |||
178 | 178 | Morningside College | 536 | 1 | no | yes | Live | no | 0.4 | B/C | 0% | 0% | 6.4 | 8.5 | -1.9 | -1.3 | -0.1 | 0 | 2.3 | 1.37 | 1/20/20 | |||
179 | 179 | Dartmouth College | 72 | 3 | no | yes | Live | no | 0.4 | B/C | 100% | 67% | 9.3 | 9.0 | 0.5 | 0.0 | 0.0 | 0 | 0.0 | 1/26/00 | ||||
193 | 193 | University of Nevada Las Vegas | 356 | 1 | no | yes | Live | no | 0.5 | B/C | 100% | 100% | 8.9 | 8.6 | 0.5 | 0.5 | 0.0 | 0 | 0.0 | 1/29/12 | ||||
201 | 201 | Public Strategies Inc. | 264 | 6 | no | yes* | Live* | no | 0.5 | B/C | 100% | 33% | 8.0 | 8.7 | -0.6 | 0.7 | 0.1 | 0 | 7.6 | 0.0 | 3/1/08 | |||
232 | 232 | Ron Lester and Associates | 293 | 1 | no | yes* | Live* | no | 0.5 | B/C | 100% | 100% | 18.9 | 8.1 | 11.0 | 2.9 | 0.1 | 0 | 1.9 | 1.33 | 1/21/08 | |||
263 | 263 | Concord Public Opinion Partners | 553 | 1 | no | yes | Live | no | 0.6 | B/C | 100% | 100% | 13.4 | 9.1 | 4.5 | 3.3 | 0.2 | 0 | 14.6 | 0.0 | 3/8/20 | |||
270 | 270 | Latino Decisions | 482 | 2 | no | partial | Online/Live/Text | no | 0.6 | B/C | 100% | 0% | 4.7 | 8.6 | -3.7 | -2.7 | -0.3 | 0 | 5.3 | 0.89 | 3/9/20 | |||
275 | 275 | Schapiro Group | 300 | 2 | no | yes* | Live* | no | 0.7 | B/C | 50% | 50% | 21.5 | 9.8 | 11.9 | 4.5 | 0.2 | 0 | 6.5 | 0.61 | 1/25/08 | |||
278 | 278 | David Binder Research | 578 | 2 | no | partial | Online/Live/Text | no | 0.7 | B/C | 0% | 50% | 5.4 | 8.1 | -2.5 | -1.4 | -0.1 | 0 | 7.4 | 0.0 | 1/29/20 | |||
281 | 281 | Douglas Fulmer & Associates | 82 | 2 | no | partial | IVR/Live | no | 0.7 | B/C | 100% | 50% | 5.0 | 8.3 | -3.1 | -2.8 | -0.2 | 0 | 9.1 | 0.0 | 1/19/16 | |||
283 | 283 | East Carolina University | 523 | 3 | yes | no | IVR/Online | no | 0.7 | B/C | 100% | 100% | 19.1 | 7.9 | 11.4 | 2.1 | 0.3 | 0 | 6.5 | 0.0 | 2/28/20 | |||
317 | 317 | ROI Rocket | 554 | 3 | no | no | Online | no | 0.9 | B/C | 100% | 33% | 2.6 | 8.0 | -5.2 | -3.6 | -0.5 | 0 | 3.6 | 0.77 | 3/9/20 | |||
318 | 318 | R.L. Repass & Partners | 268 | 1 | no | partial | Online/Live | no | 0.9 | B/C | 100% | 100% | 11.6 | 9.8 | 1.9 | 0.7 | 0.0 | 0 | 0.0 | 4/27/16 | ||||
319 | 319 | Univision/University of Houston/Latino Decisions | 568 | 1 | no | partial | Online/Live | no | 0.9 | B/C | 0% | 100% | 10.7 | 8.0 | 2.9 | 0.7 | 0.0 | 0 | 4.6 | 0.0 | 2/24/20 | |||
331 | 331 | AtlasIntel | 546 | 8 | no | no | Online | no | 0.9 | B/C | 81% | 63% | 8.8 | 8.2 | 0.8 | -0.1 | 0.0 | 0 | 8.9 | 0.0 | 3/15/20 | |||
337 | 337 | Beacon Research | 545 | 1 | no | partial | Online/Live | no | 1.0 | B/C | 100% | 100% | 11.4 | 7.8 | 3.8 | 2.4 | 0.1 | 0 | 0.0 | 2/14/20 | ||||
338 | 338 | Civiqs | 471 | 3 | no | no | Online | no | 1.0 | B/C | 100% | 33% | 4.9 | 7.8 | -2.7 | -1.4 | -0.2 | 0 | 9.3 | 0.0 | 1/28/20 | |||
347 | 347 | Alabama State University | 8 | 4 | no | no | Landline | no | 1.0 | B/C | 50% | 50% | 6.4 | 8.2 | -1.6 | -3.1 | -0.3 | 0 | 5.0 | 0.03 | 3/7/12 | |||
352 | 352 | Meredith College | 423 | 1 | no | partial | Online/Live | no | 1.0 | B/C | 0% | 100% | 20.3 | 8.1 | 12.4 | 3.0 | 0.2 | 0 | 2.9 | 0.74 | 2/20/20 | |||
354 | 354 | IVR Polls | 146 | 4 | no | no | IVR | no | 1.1 | B/C | 100% | 25% | 4.2 | 8.3 | -4.0 | -2.0 | -0.2 | 0 | 8.0 | 0.0 | 3/1/08 | |||
356 | 356 | Master Image | 200 | 2 | no | no | IVR | no | 1.1 | B/C | 100% | 0% | 1.2 | 7.5 | -6.1 | -4.1 | -0.3 | 0 | 0.0 | 2/24/16 | ||||
372 | 372 | RMG Research | 555 | 1 | no | no | IVR/Online | no | 1.2 | B/C | 100% | 0% | 4.3 | 8.1 | -3.6 | -5.1 | -0.3 | 0 | 0.0 | 2/24/20 | ||||
373 | 373 | Evan Falchuk and Lou DiNatale | 531 | 1 | no | no | IVR | no | 1.2 | B/C | 0% | 100% | 11.3 | 7.9 | 3.5 | -2.9 | -0.2 | 0 | 0.0 | 2/17/20 | ||||
386 | 386 | War Room Logistics | 374 | 1 | no | no | IVR | no | 1.3 | B/C | 100% | 100% | 4.5 | 7.5 | -2.8 | -1.3 | 0.0 | 0 | 11.6 | 0.0 | 1/27/12 | |||
389 | 389 | Pasquines | 552 | 1 | no | no | Online | no | 1.3 | B/C | 100% | 0% | 10.4 | 10.1 | 0.4 | -0.7 | 0.0 | 0 | 0.0 | 5/27/16 | ||||
395 | 395 | TargetPoint | 331 | 2 | no | partial | IVR/Live | no | 1.3 | B/C | 100% | 100% | 18.3 | 8.2 | 10.4 | 5.9 | 0.4 | 0 | 0.0 | 4/9/16 | ||||
400 | 400 | Liberty Opinion Research | 169 | 1 | no | no | IVR | no | 1.3 | C/D | 100% | 100% | 5.7 | 7.3 | -1.4 | 0.5 | 0.0 | 0 | 2.5 | 0.51 | 4/7/16 | |||
408 | 408 | TeleResearch Corporation | 335 | 1 | no | no | IVR | no | 1.4 | C/D | 100% | 100% | 8.9 | 8.0 | 1.0 | 2.2 | 0.0 | 0 | 11.3 | 0.0 | 4/27/08 | |||
413 | 413 | ResearchNow | 283 | 2 | no | no | Online | no | 1.4 | C/D | 100% | 100% | 9.4 | 8.7 | 0.8 | 0.4 | 0.0 | 0 | 1.0 | 1.6 | 2/23/16 | |||
414 | 414 | New Frontier Strategy | 229 | 1 | no | no | IVR | no | 1.4 | C/D | 0% | 100% | 21.6 | 7.8 | 13.9 | 4.0 | 0.1 | 0 | 0.0 | 1/12/12 | ||||
416 | 416 | Indiana University-Purdue University Fort Wayne | 150 | 3 | no | yes | Live | no | 1.4 | C/D | 0% | 100% | 23.4 | 9.2 | 14.4 | 9.3 | 1.0 | 0 | 0.0 | 4/21/16 | ||||
419 | 419 | GCR & Associates | 110 | 1 | no | no | IVR | no | 1.5 | C/D | 100% | 100% | 18.3 | 8.2 | 10.3 | 5.5 | 0.2 | 0 | 0.0 | 3/9/12 | ||||
434 | 434 | OurProgress (The Progress Campaign) | 561 | 2 | no | no | Online/Text | yes | 1.7 | F | 100% | 100% | 14.6 | 8.8 | 5.9 | 3.2 | 0.3 | 0 | 0.5 | 1.42 | 3/5/20 | |||
436 | 436 | Elucd | 549 | 4 | no | no | Online | no | 1.7 | C/D | 50% | 75% | 12.9 | 7.8 | 5.4 | 3.2 | 0.6 | 0 | 4.0 | 0.0 | 2/28/20 | |||
438 | 438 | CPEC | 38 | 2 | no | no | IVR | no | 1.8 | C/D | 100% | 100% | 15.8 | 8.4 | 7.6 | 6.9 | 0.5 | 0 | 11.2 | 0.0 | 4/23/16 | |||
441 | 441 | Point Blank Political | 550 | 6 | no | no | Online/Text | no | 1.9 | C/D | 83% | 83% | 10.7 | 7.5 | 3.3 | 3.4 | 0.9 | 0 | 9.4 | 0.0 | 3/12/20 | |||
446 | 446 | Swayable | 543 | 22 | no | no | Online | no | 2.2 | D- | 77% | 68% | 12.0 | 7.8 | 4.4 | 2.8 | 1.5 | 0 | 10.2 | 0.0 | 3/16/20 | |||
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 |
117 | 117 | GBAO | 109 | 6 | no | partial | Online/Live | no | 0.3 | B/C | D +0.0 | 75% | 0% | 3.7 | 6.0 | -2.1 | -2.0 | -0.4 | 6 | D +0.0 | D +1.9 | 0.0 | 10/21/18 | |
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 |
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 |
130 | 130 | High Point University | 139 | 3 | yes | partial | Online/Live | no | 0.3 | B/C | D +0.0 | 67% | 33% | 11.5 | 6.3 | 5.4 | 3.1 | 0.4 | 2 | D +0.1 | D +1.8 | 6.0 | 0.0 | 2/25/20 |
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 |
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 |
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 |
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 |
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 | ||
241 | 241 | Data for Progress | 522 | 31 | no | no | Online/Text | no | 0.5 | B- | D +0.0 | 81% | 45% | 8.9 | 8.1 | 0.9 | -0.2 | -0.1 | 2 | D +0.3 | R +1.9 | 7.6 | 0.0 | 3/8/20 |
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 |
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 |
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 |
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 |
280 | 280 | Southeastern Louisiana University | 309 | 8 | no | yes* | Live* | no | 0.7 | B/C | D +0.1 | 88% | 38% | 6.3 | 5.0 | 1.5 | 2.2 | 0.3 | 8 | D +0.4 | D +0.1 | 6.0 | 0.0 | 10/22/08 |
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 |
221 | 221 | Ipsos | 154 | 66 | yes | no | Online | no | 0.5 | B- | D +0.4 | 70% | 21% | 4.6 | 4.8 | 0.0 | 0.4 | 0.3 | 60 | D +0.5 | D +1.0 | 3.7 | 0.06 | 11/5/18 |
344 | 344 | Maine People's Resource Center | 180 | 14 | no | no | IVR/Online | no | 1.0 | B/C | D +0.1 | 93% | 36% | 6.4 | 5.3 | 1.3 | 0.1 | 0.0 | 12 | D +0.5 | R +1.2 | 6.8 | 0.0 | 10/25/16 |
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 |
153 | 153 | GfK Group | 115 | 21 | yes | no | Online | no | 0.4 | B/C | D +0.2 | 88% | 19% | 3.9 | 5.0 | -0.9 | 0.1 | 0.0 | 21 | D +0.6 | D +1.3 | 4.6 | 0.22 | 10/22/16 |
257 | 257 | Howey Politics/DePauw University | 142 | 7 | no | yes | Live | no | 0.6 | B/C | D +0.1 | 57% | 29% | 6.7 | 5.7 | 1.2 | 1.3 | 0.2 | 6 | D +0.6 | D +1.3 | 7.2 | 0.0 | 10/29/12 |
346 | 346 | Morning Consult | 218 | 12 | no | no | Online | no | 1.0 | B/C | D +0.2 | 75% | 25% | 3.0 | 3.5 | -0.3 | 0.2 | 0.1 | 12 | D +0.6 | R +0.6 | 3.5 | 0.0 | 11/3/18 |
357 | 357 | Capital Survey Research Center | 44 | 13 | no | no | Landline | no | 1.1 | B/C | D +0.0 | 35% | 62% | 9.7 | 7.6 | 2.2 | 0.1 | 0.0 | 4 | D +0.6 | D +1.3 | 10.2 | 0.0 | 3/10/12 |
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 |
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 |
233 | 233 | Vox Populi Polling | 372 | 19 | no | no | IVR/Online | no | 0.5 | B/C | D +0.3 | 74% | 16% | 4.2 | 5.3 | -1.0 | -0.9 | -0.4 | 19 | D +0.7 | R +1.2 | 4.8 | 0.17 | 10/29/18 |
355 | 355 | Strategic National | 318 | 2 | no | no | IVR | no | 1.1 | B/C | D +0.1 | 25% | 0% | 0.7 | 5.1 | -4.2 | -7.2 | -0.6 | 2 | D +0.7 | R +4.8 | 5.4 | 0.03 | 11/3/16 |
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 |
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 | |
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 |
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 |
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 |
225 | 225 | Southern Opinion Research | 311 | 2 | no | yes* | Live* | no | 0.5 | B/C | D +0.0 | 100% | 50% | 8.5 | 6.0 | 2.7 | 2.8 | 0.1 | 2 | D +0.9 | D +4.2 | 3.5 | 0.69 | 10/30/98 |
226 | 226 | NPR | 222 | 3 | no | yes | Live | no | 0.5 | B/C | D +0.1 | 17% | 33% | 4.9 | 4.7 | 0.4 | 0.7 | 0.1 | 3 | D +0.9 | D +0.6 | 2.1 | 0.61 | 10/24/12 |
334 | 334 | Multi-Quest International | 220 | 2 | no | partial | IVR/Live | no | 1.0 | B/C | D +0.0 | 0% | 0% | 5.0 | 5.7 | -0.5 | -0.1 | 0.0 | 2 | D +0.9 | D +2.7 | 1.6 | 2.11 | 10/17/14 |
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 |
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 |
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 |
216 | 216 | West Chester University | 377 | 7 | no | yes* | Live* | no | 0.5 | B/C | D +0.1 | 100% | 14% | 5.2 | 5.3 | 0.0 | 0.0 | 0.0 | 7 | D +1.0 | D +2.3 | 3.7 | 0.89 | 10/24/06 |
311 | 311 | University of New Orleans | 358 | 12 | no | partial | IVR/Live | no | 0.8 | B/C | D +0.3 | 83% | 33% | 5.6 | 5.4 | 0.3 | 0.7 | 0.2 | 11 | D +1.0 | D +2.2 | 8.6 | 0.0 | 12/6/16 |
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 |
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 |
109 | 109 | Franklin & Marshall College | 106 | 21 | yes | partial | Online/Live | no | 0.3 | B/C | D +0.4 | 86% | 29% | 6.4 | 6.5 | 0.1 | 0.8 | 0.3 | 18 | D +1.1 | D +2.1 | 5.7 | 0.03 | 10/25/18 |
330 | 330 | Gravis Marketing | 124 | 132 | no | partial | IVR/Online/Live | no | 0.9 | C | D +0.9 | 68% | 32% | 5.3 | 5.1 | 0.4 | 0.6 | 0.5 | 103 | D +1.1 | R +0.3 | 4.4 | 0.0 | 3/11/20 |
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 |
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 |
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 |
366 | 366 | USC Dornsife/Los Angeles Times | 343 | 6 | yes | no | Online | no | 1.1 | B/C | D +0.3 | 67% | 83% | 5.3 | 3.1 | 2.3 | 3.7 | 0.8 | 6 | D +1.2 | D +1.2 | 8.7 | 0.0 | 10/31/18 |
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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 );