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Pollster · 418 of 1769

MassINC

GRADE CWEIGHT TIER T4NEUTRAL LEAN</> Embed
↗ official site↗ Wikipedia
Polls scored
5
Mean error
4.8 pt
Signed bias
R+2.90
Aggregation weight
0.87
Composite quality score
0–100 · weighted of 5 measured components
48
of 100 · tier · moderate

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

Aggregator weight44
Verification rate3
Sample size median51
Citation rate100
Outlier rate (inv.)not yet measured
Rater alignment73
Pollster vs editorial consensus
noisy

Across 14 graded races, MassINC's released topline differed from the median editorial-rater consensus by an average of +3.6pp. Noisy — high variance vs the consensus, hard to characterize.

Mean delta
+3.6pp
Median delta
+6.0pp
Std-dev
8.1pp
N graded
14
Sample races (links to detail):
us-senate-2020-maus-governor-2018-maus-senate-2018-ma
Recent activity
Total all time
33
Last 30d
0
Last 90d
0
Last 180d
0

Last poll 10/29/2020 (2076d ago)· status dormant

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