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 # of Polls
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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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 |
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 |
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 |
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 | |
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 |
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 | |||
126 | 126 | Mason Strategies | 464 | 1 | no | yes | Live | no | 0.3 | B/C | D +0.1 | 100% | 0% | 1.9 | 5.7 | -3.6 | -4.8 | -0.2 | 1 | D +1.9 | R +4.1 | 0.0 | 10/18/18 | |
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 | ||||
137 | 137 | Mercyhurst University | 422 | 1 | no | yes | Live | no | 0.4 | B/C | R +0.0 | 100% | 0% | 0.7 | 5.7 | -4.8 | -5.4 | -0.2 | 1 | R +0.7 | 0.0 | 10/18/14 | ||
138 | 138 | Odney | 524 | 1 | no | yes | Live | no | 0.4 | B/C | D +0.1 | 100% | 0% | 2.1 | 6.3 | -4.1 | -4.8 | -0.2 | 1 | D +2.1 | R +8.0 | 8.0 | 0.0 | 10/22/14 |
143 | 143 | Gotham Research Group | 576 | 1 | no | yes | Live | no | 0.4 | B/C | R +0.2 | 100% | 0% | 5.8 | 6.4 | -0.5 | -2.8 | -0.1 | 1 | R +5.8 | D +2.0 | 6.0 | 0.75 | 10/23/12 |
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 | ||||
152 | 152 | Florida International University/Univision | 98 | 1 | no | yes | Live | no | 0.4 | B/C | D +0.0 | 100% | 0% | 1.8 | 6.3 | -4.3 | -6.1 | -0.1 | 1 | D +1.8 | R +13.0 | 0.0 | 10/16/08 | |
155 | 155 | Centre College | 47 | 1 | no | yes | Live | no | 0.4 | B/C | D +0.2 | 100% | 0% | 3.9 | 5.4 | -1.3 | -1.1 | 0.0 | 1 | D +3.9 | D +2.3 | 4.8 | 0.35 | 10/21/16 |
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 | ||||
158 | 158 | Aspen Media & Market Research | 17 | 1 | no | yes* | Live* | no | 0.4 | B/C | R +0.1 | 100% | 0% | 3.5 | 5.7 | -2.1 | -2.6 | -0.1 | 1 | R +3.5 | 0.0 | 10/22/06 | ||
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 | ||||
164 | 164 | Central Surveys Inc. | 46 | 1 | no | yes* | Live* | no | 0.4 | B/C | D +0.0 | 0% | 0% | 1.7 | 5.7 | -3.8 | -3.5 | -0.1 | 1 | D +1.7 | D +2.3 | 0.0 | 10/17/04 | |
166 | 166 | Cooper & Secrest | 60 | 1 | no | yes* | Live* | no | 0.4 | B/C | R +0.0 | 0% | 0% | 2.6 | 5.8 | -3.0 | -3.3 | 0.0 | 1 | R +2.6 | 0.0 | 10/15/02 | ||
167 | 167 | Red Sea Communications | 278 | 1 | no | yes* | Live* | no | 0.4 | B/C | R +0.1 | 100% | 0% | 4.4 | 7.1 | -2.5 | -3.0 | 0.0 | 1 | R +4.4 | 0.0 | 10/24/02 | ||
168 | 168 | Thirty-Ninth Street Strategies | 460 | 1 | no | yes | Live | no | 0.4 | B/C | R +0.1 | 0% | 0% | 2.0 | 6.8 | -4.5 | -2.8 | -0.1 | 1 | R +2.0 | R +2.4 | 3.0 | 2.58 | 10/21/18 |
169 | 169 | Dynamic Marketing Inc. | 83 | 1 | no | yes* | Live* | no | 0.4 | B/C | D +0.0 | 100% | 0% | 3.0 | 6.2 | -3.0 | -4.6 | -0.1 | 1 | D +3.0 | R +7.5 | 0.0 | 10/22/00 | |
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 | |||
171 | 171 | Diversified Research Inc | 80 | 1 | no | yes* | Live* | no | 0.4 | B/C | R +0.1 | 100% | 0% | 5.0 | 7.0 | -1.8 | -2.2 | 0.0 | 1 | R +5.0 | 0.0 | 10/19/00 | ||
173 | 173 | Lauer Lalley Victoria Inc. | 168 | 1 | no | yes* | Live* | no | 0.4 | B/C | R +0.0 | 100% | 0% | 1.7 | 6.6 | -4.7 | -4.1 | 0.0 | 1 | R +1.7 | D +4.0 | 0.0 | 10/18/98 | |
176 | 176 | Ohio State University | 236 | 1 | no | yes* | Live* | no | 0.4 | B/C | R +0.0 | 100% | 0% | 3.7 | 5.1 | -1.3 | -1.5 | 0.0 | 1 | R +3.7 | R +5.8 | 0.0 | 10/18/00 | |
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 | |||
180 | 180 | Market Trends Pacific | 190 | 1 | no | yes* | Live* | no | 0.4 | B/C | D +0.1 | 50% | 0% | 4.5 | 5.5 | -0.8 | -0.6 | 0.0 | 1 | D +4.5 | D +2.5 | 0.0 | 10/21/02 | |
182 | 182 | Wick Communications | 381 | 1 | no | yes* | Live* | no | 0.4 | B/C | D +0.1 | 100% | 0% | 2.8 | 6.3 | -3.2 | -1.4 | 0.0 | 1 | D +2.8 | D +4.0 | 5.0 | 1.19 | 10/27/06 |
184 | 184 | NRECA Market Research | 223 | 1 | no | yes* | Live* | no | 0.4 | B/C | D +0.1 | 100% | 0% | 6.3 | 5.5 | 0.9 | -0.6 | 0.0 | 1 | D +6.3 | 0.0 | 10/20/98 | ||
186 | 186 | University of North Carolina | 359 | 1 | no | yes* | Live* | no | 0.4 | B/C | D +0.0 | 100% | 0% | 1.6 | 5.4 | -3.6 | -3.2 | 0.0 | 1 | D +1.6 | R +1.6 | 1.0 | 2.97 | 10/28/02 |
188 | 188 | Analytical Group | 11 | 1 | no | yes* | Live* | no | 0.4 | B/C | D +0.1 | 100% | 0% | 4.0 | 5.3 | -1.1 | -0.8 | 0.0 | 1 | D +4.0 | D +3.0 | 3.7 | 0.86 | 10/26/02 |
189 | 189 | ASA Marketing Group | 5 | 1 | no | yes* | Live* | no | 0.4 | B/C | D +0.1 | 100% | 0% | 5.5 | 4.5 | 1.2 | 0.1 | 0.0 | 1 | D +5.5 | 0.0 | 10/28/06 | ||
192 | 192 | Meeting Street Research | 204 | 1 | no | yes | Live | no | 0.5 | B/C | D +0.1 | 100% | 0% | 2.6 | 5.1 | -2.2 | -0.9 | 0.0 | 1 | D +2.6 | D +5.3 | 3.0 | 1.39 | 4/4/17 |
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 | ||||
194 | 194 | Cromer Group | 65 | 1 | no | yes* | Live* | no | 0.5 | B/C | R +0.1 | 100% | 0% | 3.9 | 5.3 | -1.2 | 0.6 | 0.0 | 1 | R +3.9 | R +3.8 | 0.0 | 10/19/06 | |
204 | 204 | University of Maryland | 575 | 1 | yes | no | Landline | no | 0.5 | B/C | D +0.1 | 0% | 100% | 6.6 | 4.8 | 2.0 | 2.2 | 0.0 | 1 | D +6.6 | D +2.2 | 0.0 | 10/15/04 | |
207 | 207 | Val Smith | 367 | 1 | no | yes | Live | no | 0.5 | B/C | R +0.2 | 100% | 0% | 8.5 | 6.5 | 2.2 | 1.9 | 0.0 | 1 | R +8.5 | R +15.0 | 0.0 | 10/22/08 | |
210 | 210 | Old Dominion University | 238 | 1 | no | yes | Live | no | 0.5 | B/C | D +0.1 | 100% | 0% | 4.5 | 5.3 | -0.6 | -1.0 | 0.0 | 1 | D +4.5 | R +0.8 | 0.0 | 2.78 | 10/22/13 |
212 | 212 | Jeffrey Stonecash | 158 | 1 | no | yes* | Live* | no | 0.5 | B/C | R +0.2 | 100% | 100% | 8.4 | 4.8 | 3.8 | 2.8 | 0.1 | 1 | R +8.4 | R +16.5 | 22.0 | 0.0 | 10/29/06 |
213 | 213 | A&A Research | 2 | 1 | no | yes* | Live* | no | 0.5 | B/C | R +0.1 | 0% | 100% | 10.0 | 6.3 | 3.9 | 3.6 | 0.1 | 1 | R +10.0 | 0.0 | 10/22/02 | ||
215 | 215 | California State University, Bakersfield | 41 | 1 | no | yes* | Live* | no | 0.5 | B/C | R +0.1 | 0% | 100% | 9.9 | 5.9 | 4.1 | 4.4 | 0.1 | 1 | R +9.9 | R +14.0 | 0.0 | 10/20/00 | |
220 | 220 | Tulsa Surveys | 341 | 1 | no | yes* | Live* | no | 0.5 | B/C | R +0.1 | 100% | 100% | 11.9 | 4.5 | 7.6 | 5.8 | 0.1 | 1 | R +11.9 | 0.0 | 10/18/98 | ||
223 | 223 | Marketing Research Institute | 192 | 1 | no | yes* | Live* | no | 0.5 | B/C | R +0.1 | 0% | 100% | 7.4 | 5.0 | 2.6 | 4.6 | 0.1 | 1 | R +7.4 | R +7.3 | 0.0 | 11/21/02 | |
230 | 230 | Arthur J. Finkelstein & Associates | 16 | 1 | no | yes* | Live* | no | 0.5 | B/C | R +0.2 | 0% | 100% | 13.7 | 7.2 | 6.7 | 5.8 | 0.1 | 1 | R +13.7 | 0.0 | 10/17/02 | ||
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 | |||
238 | 238 | MarketAide Services Inc. | 191 | 1 | no | yes* | Live* | no | 0.5 | B/C | D +0.2 | 100% | 100% | 11.2 | 6.5 | 4.9 | 6.6 | 0.1 | 1 | D +11.2 | D +9.5 | 0.0 | 10/19/02 | |
251 | 251 | Glover Park Group | 120 | 1 | no | yes | Live | no | 0.6 | B/C | R +0.3 | 0% | 100% | 11.4 | 6.7 | 4.8 | 4.4 | 0.1 | 1 | R +11.4 | R +7.3 | 0.0 | 10/16/12 | |
253 | 253 | Anderson Group | 12 | 1 | no | yes* | Live* | no | 0.6 | B/C | R +0.2 | 0% | 100% | 10.9 | 4.3 | 6.8 | 8.2 | 0.1 | 1 | R +10.9 | R +5.0 | 5.0 | 0.0 | 11/11/03 |
258 | 258 | Lauer Johnson Research | 167 | 1 | no | yes | Live | no | 0.6 | B/C | D +0.3 | 0% | 100% | 13.8 | 6.4 | 7.6 | 7.3 | 0.1 | 1 | D +13.8 | D +17.0 | 0.0 | 10/28/06 | |
260 | 260 | Neighbor | 226 | 1 | no | yes* | Live* | no | 0.6 | B/C | R +0.2 | 100% | 100% | 17.1 | 6.3 | 11.0 | 12.9 | 0.1 | 1 | R +17.1 | R +14.0 | 13.0 | 0.0 | 10/30/98 |
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 | |||
279 | 279 | Rainmaker Media Group | 276 | 1 | no | yes* | Live* | no | 0.7 | B/C | D +0.3 | 100% | 100% | 12.1 | 5.2 | 7.1 | 10.3 | 0.2 | 1 | D +12.1 | D +7.8 | 0.0 | 10/15/08 | |
290 | 290 | Hickman Analytics | 415 | 1 | no | yes | Live | no | 0.7 | B/C | D +0.4 | 0% | 100% | 9.1 | 6.2 | 3.1 | 6.1 | 0.3 | 1 | D +9.1 | D +7.7 | 0.0 | 10/15/19 | |
300 | 300 | Keating Research/OnSight Public Affairs/Melanson | 455 | 1 | no | partial | Online/Live | no | 0.8 | B/C | R +0.1 | 100% | 0% | 2.6 | 5.9 | -3.1 | -3.9 | -0.2 | 1 | R +2.6 | D +3.0 | 0.0 | 10/28/18 | |
301 | 301 | 1892 Polling | 461 | 1 | no | partial | IVR/Live | no | 0.8 | B/C | R +0.0 | 100% | 0% | 0.6 | 3.9 | -3.1 | -2.3 | -0.1 | 1 | R +0.6 | R +4.3 | 7.5 | 0.0 | 10/21/18 |
303 | 303 | DCCC Targeting and Analytics Department | 68 | 1 | no | partial | IVR/Live | no | 0.8 | B/C | D +0.2 | 100% | 0% | 4.5 | 6.2 | -1.6 | -2.0 | -0.1 | 1 | D +4.5 | 0.0 | 10/20/16 | ||
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 | |||
320 | 320 | Schoen Consulting | 301 | 1 | no | partial | Online/Live | no | 0.9 | B/C | R +0.1 | 100% | 0% | 2.3 | 4.5 | -2.1 | -0.3 | 0.0 | 1 | R +2.3 | R +1.5 | 1.9 | 0.97 | 10/22/10 |
322 | 322 | Victoria Research & Consulting | 369 | 1 | no | partial | Live/Text | no | 0.9 | B/C | D +0.1 | 50% | 0% | 8.0 | 6.5 | 1.7 | 1.0 | 0.0 | 1 | D +8.0 | 0.0 | 10/18/04 | ||
324 | 324 | Sacred Heart University | 453 | 1 | no | partial | Online/Live | no | 0.9 | B/C | R +0.3 | 0% | 0% | 5.6 | 5.6 | 0.2 | 0.9 | 0.0 | 1 | R +5.6 | R +8.8 | 6.4 | 0.0 | 10/30/18 |
332 | 332 | Harper Polling/Clarity Campaign Labs | 513 | 1 | no | partial | IVR/Live | no | 1.0 | B/C | D +0.3 | 0% | 0% | 7.0 | 5.9 | 1.3 | 2.1 | 0.1 | 1 | D +7.0 | D +4.8 | 0.0 | 8/27/19 | |
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 | ||||
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 | |||
359 | 359 | Riggs Research Services | 289 | 1 | no | yes* | Live* | no | 1.1 | B/C | D +0.9 | 0% | 100% | 33.7 | 5.9 | 28.0 | 25.9 | 0.7 | 1 | D +33.7 | D +29.0 | 29.0 | 0.0 | 10/28/10 |
364 | 364 | Craciun Research Group | 61 | 1 | no | yes | Live | no | 1.1 | B/C | D +0.7 | 0% | 100% | 18.7 | 6.2 | 12.7 | 17.5 | 0.7 | 1 | D +18.7 | D +11.3 | 0.0 | 10/24/16 | |
369 | 369 | Victory Enterprises | 525 | 1 | no | partial | IVR/Live | no | 1.2 | B/C | R +0.5 | 0% | 100% | 17.3 | 6.7 | 10.9 | 9.5 | 0.3 | 1 | R +17.3 | 0.0 | 10/24/12 | ||
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 | ||||
377 | 377 | CSP Polling | 39 | 1 | no | no | Online | yes | 1.2 | F | D +0.1 | 100% | 0% | 2.6 | 5.6 | -2.8 | -2.7 | -0.1 | 1 | D +2.6 | R +2.6 | 4.1 | 0.8 | 6/16/17 |
379 | 379 | Revily | 284 | 1 | no | no | IVR | no | 1.2 | B/C | R +0.0 | 100% | 0% | 0.5 | 4.8 | -4.1 | -2.8 | -0.1 | 1 | R +0.5 | D +1.7 | 2.0 | 1.58 | 4/11/17 |
383 | 383 | Crantford Research | 62 | 1 | no | no | Online | no | 1.2 | B/C | D +0.1 | 100% | 0% | 2.5 | 5.4 | -2.8 | -3.9 | -0.1 | 1 | D +2.5 | D +9.5 | 0.0 | 10/18/10 | |
384 | 384 | Rivercity Polling | 291 | 1 | no | no | IVR | no | 1.2 | B/C | R +0.2 | 100% | 0% | 6.7 | 7.6 | -0.8 | -3.1 | -0.1 | 1 | R +6.7 | R +11.5 | 0.0 | 10/21/10 | |
385 | 385 | AFL-CIO | 526 | 1 | no | no | IVR | no | 1.3 | B/C | R +0.1 | 100% | 0% | 3.8 | 4.9 | -0.8 | -1.5 | 0.0 | 1 | R +3.8 | 0.0 | 10/22/12 | ||
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 | |||
387 | 387 | Diamond State Consulting Group | 78 | 1 | no | no | IVR | no | 1.3 | B/C | D +0.1 | 100% | 0% | 4.2 | 5.0 | -0.6 | -1.6 | -0.1 | 1 | D +4.2 | R +5.0 | 5.0 | 0.62 | 10/21/14 |
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 | ||||
390 | 390 | Florida Chamber of Commerce | 577 | 1 | no | no | Landline | no | 1.3 | B/C | D +0.0 | 100% | 0% | 1.2 | 4.8 | -3.4 | -2.6 | -0.1 | 1 | D +1.2 | D +1.9 | 3.2 | 0.85 | 10/27/08 |
393 | 393 | Singularis Group | 306 | 1 | no | no | IVR | no | 1.3 | B/C | R +0.0 | 100% | 0% | 0.8 | 4.1 | -3.1 | -2.6 | -0.1 | 1 | R +0.8 | D +2.0 | 2.0 | 2.38 | 10/27/16 |
396 | 396 | BIGresearch | 19 | 1 | no | no | Online | no | 1.3 | B/C | R +0.0 | 100% | 0% | 1.9 | 3.9 | -1.8 | -3.6 | -0.1 | 1 | R +1.9 | R +7.8 | 6.4 | 0.0 | 10/4/03 |
397 | 397 | Rossman Group | 294 | 1 | no | no | IVR | no | 1.3 | C/D | D +0.1 | 100% | 0% | 4.2 | 6.5 | -2.1 | 0.2 | 0.0 | 1 | D +4.2 | D +4.7 | 0.0 | 10/18/10 | |
399 | 399 | Triumph Campaigns | 339 | 1 | no | no | IVR | no | 1.3 | C/D | R +0.2 | 100% | 0% | 4.2 | 4.2 | 0.3 | 0.9 | 0.0 | 1 | R +4.2 | R +5.0 | 0.0 | 11/5/15 | |
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 | |||
402 | 402 | Iona College | 152 | 1 | no | no | IVR | no | 1.3 | C/D | D +0.1 | 100% | 0% | 4.4 | 5.5 | -0.9 | -1.1 | 0.0 | 1 | D +4.4 | R +1.7 | 1.5 | 2.26 | 10/20/10 |
405 | 405 | co/efficient | 514 | 1 | no | no | IVR/Text | no | 1.3 | C/D | D +0.2 | 0% | 0% | 3.5 | 4.1 | -0.4 | 0.4 | 0.0 | 1 | D +3.5 | R +0.5 | 3.0 | 1.04 | 9/6/19 |
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 | |||
411 | 411 | Great Lakes Strategies Group | 125 | 1 | no | no | IVR | no | 1.4 | C/D | R +0.2 | 0% | 100% | 7.5 | 5.0 | 2.7 | 3.0 | 0.1 | 1 | R +7.5 | R +10.0 | 10.0 | 0.0 | 10/27/10 |
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 | ||||
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 | ||||
421 | 421 | Slingshot Strategies | 451 | 1 | no | no | IVR/Online | no | 1.5 | C/D | D +0.4 | 100% | 100% | 9.3 | 5.8 | 3.7 | 4.9 | 0.2 | 1 | D +9.3 | D +9.0 | 9.0 | 0.0 | 11/1/18 |
423 | 423 | Strategy Research | 322 | 1 | no | no | IVR | no | 1.5 | C/D | R +0.4 | 0% | 100% | 8.7 | 3.1 | 5.7 | 5.5 | 0.2 | 1 | R +8.7 | R +4.7 | 3.8 | 0.0 | 12/4/17 |
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 | |
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 |
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 |
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 |
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 | ||
107 | 107 | APC Research | 4 | 2 | no | yes | Live | no | 0.3 | B/C | D +0.2 | 100% | 0% | 2.5 | 5.1 | -2.3 | -3.4 | -0.2 | 2 | D +2.5 | D +0.3 | 0.0 | 10/19/14 |
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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 );