Pollster · 278 of 1053

Tarrance Group

GRADE A+ NEUTRAL LEAN
Polls scored
13
Mean error
2.5 pt
Signed bias
D+0.93
Aggregation weight
1.61
Composite quality score
0–100 · weighted of 6 components
81
of 100 · tier · elite

Top-tier across most dimensions. Elite signal among the 13 polls scored.

Aggregator weight 80
Verification rate 85
Sample size median 58
Citation rate 100
Outlier rate (inv.) 100
Rater alignment 73
Pollster vs editorial consensus
r-lean

Across 5 graded races, Tarrance Group's released topline differed from the median editorial-rater consensus by an average of -3.6pp. That's a measurable R-lean vs the consensus.

Mean delta
-3.6pp
Median delta
-3.0pp
Std-dev
1.9pp
N graded
5
Sample races (links to detail):
us-senate-2024-mius-senate-2024-mius-senate-2020-mi
Recent activity
Total all time
13
Last 30d
0
Last 90d
0
Last 180d
0

Last poll 10/29/2024 (557d ago) · status dormant

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