NonpartisanIndependent, data-first coverage of US elections — polls, forecasts, and prediction markets, refreshed daily.Updated daily.What's new·Methodology·Send feedback
Pollster · 95 of 1769

MassINC Polling Group

GRADE BWEIGHT TIER T3NEUTRAL LEAN</> Embed
Polls scored
6
Mean error
3.8 pt
Signed bias
D+2.04
Aggregation weight
1.00
Composite quality score
0–100 · weighted of 5 measured components
55
of 100 · tier · moderate

Moderate quality. Worth checking individual signals before relying on this pollster's headline.

Aggregator weight50
Verification rate29
Sample size median61
Citation rate29
Outlier rate (inv.)not yet measured
Rater alignment90
Pollster vs editorial consensus
aligned

Across 7 graded races, MassINC Polling Group's released topline differed from the median editorial-rater consensus by an average of -1.3pp. That's well-aligned with the consensus — useful as a sanity check, less useful as a contrarian signal.

Mean delta
-1.3pp
Median delta
-3.0pp
Std-dev
7.0pp
N graded
7
Recent activity
Total all time
28
Last 30d
0
Last 90d
0
Last 180d
0

Last poll 10/31/2024 (613d ago)· status dormant

Recent polls