Polls analyzed | 29 |
Races called correctly | 90% |
Most recent cycle | 2012 |
Affiliated with professional polling organization (NCPP/AAPOR/Roper) | No |
How accurate are the polls from Grove Insight?
2012
Key
A = Adults
RV = Registered voters
V = Voters
LV = Likely voters
Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
---|---|---|---|---|---|---|
Nov 1-2 | 500LV | President (WI) General election | Live Phone | Poll Obama (D) +6.0 | Actual Obama (D) +6.8 | Difference 0.8 |
Nov 1-2 | 500LV | President (OH) General election | Live Phone | Poll Obama (D) +4.0 | Actual Obama (D) +3.0 | Difference 1.0 |
Nov 1-2 | 500LV | President (IA) General election | Live Phone | Poll Obama (D) +3.0 | Actual Obama (D) +5.8 | Difference 2.8 |
Oct 31-Nov 1 | 500LV | President (MI) General election | Live Phone | Poll Obama (D) +7.0 | Actual Obama (D) +9.5 | Difference 2.5 |
Oct 28-29 | 500LV | President (OH) General election | Live Phone | Poll Obama (D) +3.0 | Actual Obama (D) +3.0 | Difference 0.0 |
Oct 28-29 | 600LV | President (FL) General election | Live Phone | Poll Obama (D) +1.0 | Actual Obama (D) +0.9 | Difference 0.1 |
Oct 28-29 | 500LV | President (CO) General election | Live Phone | Poll Obama (D) +3.0 | Actual Obama (D) +5.4 | Difference 2.4 |
Oct 27-28 | 500LV | Senate (NV) General election | Live Phone | Poll Heller (R) +1.0 | Actual Heller (R) +1.2 | Difference 0.2 |
Oct 27-28 | 500LV | President (NV) General election | Live Phone | Poll Obama (D) +6.0 | Actual Obama (D) +6.7 | Difference 0.7 |
Oct 24-25 | 500LV | President (WI) General election | Live Phone | Poll Obama (D) +5.0 | Actual Obama (D) +6.8 | Difference 1.8 |
Oct 24-25 | 500LV | President (NH) General election | Live Phone | Poll Obama (D) +3.0 | Actual Obama (D) +5.6 | Difference 2.6 |
Oct 23-24 | 500LV | President (NC) General election | Live Phone | Poll Obama (D) +3.0 | Actual Romney (R) +2.0 | Difference 5.0 |
Oct 23-24 | 600LV | President (FL) General election | Live Phone | Poll Obama (D) +2.0 | Actual Obama (D) +0.9 | Difference 1.1 |
Oct 23-24 | 500LV | President (CO) General election | Live Phone | Poll Obama (D) +3.0 | Actual Obama (D) +5.4 | Difference 2.4 |
Oct 19-21 | 400LV | House (CA-52) General election | Live Phone | Poll Peters (D) +5.0 | Actual Peters (D) +2.4 | Difference 2.6 |
Oct 17-18 | 500LV | President (WI) General election | Live Phone | Poll Obama (D) +3.0 | Actual Obama (D) +6.8 | Difference 3.8 |
Oct 17-18 | 500LV | President (NC) General election | Live Phone | Poll Obama (D) +3.0 | Actual Romney (R) +2.0 | Difference 5.0 |
Oct 17-18 | 500LV | President (FL) General election | Live Phone | Poll Obama (D) +3.0 | Actual Obama (D) +0.9 | Difference 2.1 |
Oct 15-16 | 500LV | President (NV) General election | Live Phone | Poll Obama (D) +7.0 | Actual Obama (D) +6.7 | Difference 0.3 |
Oct 15-16 | 500LV | President (CO) General election | Live Phone | Poll Obama (D) +3.0 | Actual Obama (D) +5.4 | Difference 2.4 |
2010
Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
---|---|---|---|---|---|---|
Oct 22-24 | 500LV | Governor (OR) General election | Live Phone | Poll Kitzhaber (D) +4.0 | Actual Kitzhaber (D) +1.5 | Difference 2.5 |
Oct 18-19 | 400LV | House (MN-1) General election | Live Phone | Poll Walz (D) +16.0 | Actual Walz (D) +5.3 | Difference 10.7 |
Oct 11-12 | 400LV | House (OR-4) General election | Live Phone | Poll DeFazio (D) +14.0 | Actual DeFazio (D) +10.9 | Difference 3.1 |
2008
Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
---|---|---|---|---|---|---|
Oct 23-24 | 600LV | President (AZ) General election | Live Phone | Poll McCain (R) +4.0 | Actual McCain (R) +8.5 | Difference 4.5 |
Oct 21 | 400LV | House (MI-9) General election | Live Phone | Poll Peters (D) +10.0 | Actual Peters (D) +9.5 | Difference 0.5 |
Oct 15-16 | 400LV | House (NJ-3) General election | Live Phone | Poll Adler (D) +8.0 | Actual Adler (D) +4.2 | Difference 3.8 |
2006
Dates | Sample | Race | Methodology | Poll margin | Election margin | Difference |
---|---|---|---|---|---|---|
Oct 26 | 400V | House (OH-1) General election | Live Phone | Poll Cranley (D) +9.0 | Actual Chabot (R) +4.5 | Difference 13.5 |
Oct 25 | 400LV | House (CT-2) General election | Live Phone | Poll Courtney (D) +4.0 | Actual Courtney (D) +0.0 | Difference 4.0 |
Oct 24 | 400V | House (NY-20) General election | Live Phone | Poll Gillibrand (D) +3.0 | Actual Gillibrand (D) +6.2 | Difference 3.2 |
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