GfK Group
GfK Group: a US pollster in the FiveThirtyEight rating archive.
FiveThirtyEight
| FiveThirtyEight rating (0–3) | — |
|---|---|
| Rank | — |
| Questions evaluated | 21 |
| POLLSCORE (lower is better) | -0.4 |
| Error plus-minus (lower is better) | -0.1 |
| Bias plus-minus | -0.7 |
| Transparency score (0–10) | 7.3 |
| AAPOR Transparency Initiative or Roper Center | Yes |
| Still polling | No |