2 final polls from 2000 to 2000 (average error 4.4 points): too few to grade. Crosstab grades every 2026 pollster on its own results after Election Day.
1 poll this cycle.
| Date | Poll | Result | vs. other polls |
|---|---|---|---|
| 10-12 | Massachusetts Senate | Markey 56, Deaton 29 | D+2.6 |
States polled: Massachusetts.
Open University of Massachusetts Department of Political Science in the interactive Trust Index All pollster ratings
University of Massachusetts Department of Political Science has 2 final polls in the 1998–2022 results data, too few to receive a grade (at least 20 graded polls are needed). Its average error was 4.4 points.
Historically, University of Massachusetts Department of Political Science's misses leaned R+4.4 on average. Lean describes how its numbers compare; it isn't an accusation of bias.
1 poll in Crosstab's data, including Massachusetts Senate.
Grades: Crosstab Trust Index, computed from FiveThirtyEight's pollster-ratings data (CC BY 4.0), 1998–2022; 2026 measures from Crosstab's polling data.
Updated 2026-11-11 · Crosstab, nonpartisan polling analysis.