Michigan State University Institute for Public Policy and Social Research
Michigan State University Institute for Public Policy and Social Research has no polls in our database and is rated on 2 past polls scored against results (2018).
Rated polls
22018
Average miss
0.8All pollsters: 6.8
Lean
D+0.1Against other polls of the same races
Picked winner
100%Of rated polls
Every rated poll against the result
Each dot is one poll from the last three weeks of a race: how far its margin landed from the result. Above the line it overstated Democrats; below, Republicans. Bars show each cycle’s average lean.
- Poll
- Cycle average
2 rated polls; misses beyond 10 points are drawn at the edge. Source: 99chambers pollster ratings and polls databaseUpdated Oct 22, 2026, 3:55 AM ET
By type of race
| Race type | Rated polls | Avg. miss | All pollsters | Lean | Picked winner |
|---|---|---|---|---|---|
| Governor | 1 | 0.6 | 5.7 | R+0.6 | 100% |
| Senate | 1 | 1.1 | 5.5 | D+1.1 | 100% |
Avg. miss: green where it beats all pollsters’ average for that type. Source: 99chambers pollster ratings and polls databaseUpdated Oct 22, 2026, 3:55 AM ET
Among all pollsters
Average miss of every rated pollster, in points. Michigan State University Institute for Public Policy and Social Research is marked; darker bars are pollsters with a smaller miss.
Source: 99chambers pollster ratings and polls databaseUpdated Oct 22, 2026, 3:55 AM ET