MarblePort
MarblePort: a US pollster in the FiveThirtyEight rating archive.
FiveThirtyEight
| FiveThirtyEight rating (0–3) | — |
|---|---|
| Rank | — |
| Questions evaluated | 1 |
| POLLSCORE (lower is better) | 0.1 |
| Error plus-minus (lower is better) | 0.2 |
| Bias plus-minus | 0.1 |
| Transparency score (0–10) | 2.8 |
| AAPOR Transparency Initiative or Roper Center | No |
| Still polling | No |