8 final polls from 2016 to 2016 (average error 5 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 |
|---|---|---|---|
| 10-25 | Michigan Senate | El-Sayed 31, Rogers 45 |
States polled: Michigan.
Open Landmark Communications/Rosetta Stone Communications in the interactive Trust Index All pollster ratings
Landmark Communications/Rosetta Stone Communications has 8 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 5 points.
Historically, Landmark Communications/Rosetta Stone Communications's misses leaned D+5 on average. Lean describes how its numbers compare; it isn't an accusation of bias.
1 poll in Crosstab's data, including Michigan 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 2026-10-04 · Crosstab, nonpartisan polling analysis.