B/C
| Polls analyzed | 25 |
| Races called correctly | 68% |
| Most recent cycle | 2014 |
| Affiliated with professional polling organization (NCPP/AAPOR/Roper) | No |
How accurate are the polls from Global Strategy Group?
Polls conducted within 21 days of an election (based on the poll’s median date) are used to determine the pollster’s grade.
2014
Key
A = Adults
RV = Registered voters
V = Voters
LV = Likely voters
| Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
|---|---|---|---|---|---|---|
| Oct 21-23 | 401LV | House (NY-18) General election | Live Phone | Poll Maloney (D) +6.0 | Actual Maloney (D) +1.9 | Difference 4.1 |
| Oct 20-22 | 400LV | House (NY-24) General election | Live Phone | Poll Maffei (D) +5.0 | Actual Katko (R) +19.2 | Difference 24.2 |
| Oct 20-21 | 400LV | House (HI-1) General election | Live Phone | Poll Takai (D) +7.0 | Actual Takai (D) +3.9 | Difference 3.1 |
| Oct 16-19 | 401LV | House (NY-19) General election | Live Phone | Poll Gibson (R) +10.0 | Actual Gibson (R) +29.0 | Difference 19.0 |
2012
| Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
|---|---|---|---|---|---|---|
| Oct 28-30 | 600LV | Senate (IN) General election | Live Phone | Poll Donnelly (D) +9.0 | Actual Donnelly (D) +5.8 | Difference 3.2 |
| Oct 28-30 | 600LV | Senate (IN) General election | Live Phone | Poll Donnelly (D) +7.0 | Actual Donnelly (D) +5.8 | Difference 1.2 |
| Oct 21-23 | 403LV | House (NY-21) General election | Live Phone | Poll Owens (D) +7.0 | Actual Owens (D) +2.0 | Difference 5.0 |
| Oct 17-21 | 603LV | Senate (IN) General election | Live Phone | Poll Donnelly (D) +2.0 | Actual Donnelly (D) +5.8 | Difference 3.8 |
2011
| Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
|---|---|---|---|---|---|---|
| Aug 30-31 | 400LV | House (NY-9) Special election | Live Phone | Poll Weprin (D) +8.0 | Actual Turner (R) +5.2 | Difference 13.2 |
| May 2-4 | 400LV | House (NY-26) Special election | Live Phone | Poll Corwin (R) +1.0 | Actual Hochul (D) +5.0 | Difference 6.0 |
2010
| Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
|---|---|---|---|---|---|---|
| Oct 22-25 | 600LV | Governor (IA) General election | Live Phone | Poll Branstad (R) +6.0 | Actual Branstad (R) +9.6 | Difference 3.6 |
| Oct 17-20 | 804LV | Senate (WV) Special election | Live Phone | Poll Manchin (D) +5.0 | Actual Manchin (D) +10.1 | Difference 5.1 |
| Oct 16-19 | 400LV | House (PA-8) General election | Live Phone | Poll Murphy (D) +2.0 | Actual Fitzpatrick (R) +7.0 | Difference 9.0 |
| Apr 27-29 | 400LV | House (PA-12) Special election | Live Phone | Poll Critz (D) +8.0 | Actual Critz (D) +7.7 | Difference 0.3 |
2008
| Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
|---|---|---|---|---|---|---|
| Feb 21-24 | 402LV | House (IL-14) Special election | Live Phone | Poll Foster (D) +4.0 | Actual Foster (D) +5.1 | Difference 1.1 |
2006
| Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
|---|---|---|---|---|---|---|
| Oct 29-30 | 400LV | House (PA-8) General election | Live Phone | Poll Murphy (D) +5.0 | Actual Murphy (D) +0.6 | Difference 4.4 |
| Oct 26-30 | 600LV | Governor (IA) General election | Live Phone | Poll Culver (D) +7.0 | Actual Culver (D) +9.6 | Difference 2.6 |
| Oct 28 | 600LV | Governor (IA) General election | Live Phone | Poll Culver (D) +7.0 | Actual Culver (D) +9.6 | Difference 2.6 |
| Oct 16-18 | 404LV | House (NY-20) General election | Live Phone | Poll Gillibrand (D) +2.0 | Actual Gillibrand (D) +6.2 | Difference 4.2 |
2004
| Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
|---|---|---|---|---|---|---|
| Oct 24-26 | 700LV | Senate (FL) General election | Live Phone | Poll Castor (D) +4.0 | Actual Martinez (R) +1.1 | Difference 5.1 |
| Oct 19-21 | 800LV | Senate (NC) General election | Live Phone | Poll Bowles (D) +2.0 | Actual Burr (R) +4.6 | Difference 6.6 |
| Oct 18-20 | 600LV | Senate (OK) General election | Live Phone | Poll Carson (D) +1.0 | Actual Coburn (R) +11.5 | Difference 12.5 |
| Oct 17-19 | 600LV | Senate (CO) General election | Live Phone | Poll Salazar (D) +6.0 | Actual Salazar (D) +4.8 | Difference 1.2 |
| Oct 17-19 | 600LV | Senate (AK) General election | Live Phone | Poll Knowles (D) +4.0 | Actual Murkowski (R) +3.0 | Difference 7.0 |
| Oct 12-14 | 600LV | Governor (WV) General election | Live Phone | Poll Manchin (D) +33.0 | Actual Manchin (D) +29.5 | Difference 3.5 |
| Oct 12-14 | 600LV | President (WV) General election | Live Phone | Poll Bush (R) +2.0 | Actual Bush (R) +12.9 | Difference 10.9 |
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