Alaska Media Bias Scorecard · one of 13 outlets scored
MatSu Sentinel Media Bias & Reporting Quality
MatSu Sentinel is one of 13 outlets on the Alaska Media Bias Scorecard. A panel of three AI models from three different companies, reading with every outlet name and byline removed, has scored 49 of its articles under rubric v0.4.0. Its partisan lean reads 0 (near-zero net lean) and its ideological lean 0.1 (near-zero net lean), with no partisan lean detected in 47 of 49 articles. Data as of 2026-10-23; the numbers move as the sample grows.
What the results mean#
- Above the board median on evidence fairness (3.2 against 2.9), sourcing (2.8 against 2.5), source independence (2.3 against 1.9), analysis labeling (4 against 3.7), language neutrality (4 against 3.4).
- Institutional posture leans toward deference (net -0.7, across 48 articles).
- Establishment-populist framing leans toward establishment (net -0.5, across 43 articles).
- Conservation-development framing leans toward development (net 0.6, across 19 articles).
- In 18 same-story comparisons, the judges picked its account as: fairest evidence treatment 12, best sourced 9, most independent of official framing 7, most editorialized 5.
These describe the sampled articles, not every story MatSu Sentinel publishes. Labels such as near-zero net lean are cutoffs on the number beside them, not statistical tests.
Its fingerprint#
Five lean axes on the same -3 to +3 scale every outlet is drawn on. The marker is the net lean; the pale band spans the average swing per article in both directions.
Where it sits among Alaska's outlets#
~1.1 local articles/day · 49 scored
How to read this: left and right is ideological tilt; up is source independence (official claims tested rather than relayed). Bubble size is local articles per day, publishing volume rather than audience reach. Dashed outlines mark the known-lean control and the out-of-market reference; the moose marks our own newsroom. Hover or tap any bubble to spotlight it and see its exact numbers; tap again or click away to release it.
Its scores beside the board#
| Dimension | MatSu Sentinel | Board median |
|---|---|---|
| Partisan lean (-3 Democratic to +3 Republican) | 0 (near-zero net lean) | 0 (near-zero net lean) |
| Partisan lean strength (0-3, direction ignored) | 0 | 0.4 |
| Articles with no partisan lean detected | 47 of 49 | - |
| Ideological tilt (-3 progressive to +3 conservative) | 0.1 net, 0.2 strength (n=39) | 0 net, 0.7 strength |
| Institutional posture (-3 deference to +3 skepticism) | -0.7 net, 0.9 strength (n=48) | -0.2 net, 1 strength |
| Establishment-populist framing (-3 establishment to +3 populist) | -0.5 net, 0.6 strength (n=43) | -0.3 net, 0.8 strength |
| Conservation-development framing (-3 conservation to +3 development) | 0.6 net, 0.9 strength (n=19) | 0.2 net, 1.1 strength |
| Evidence fairness (0-4) | 3.2 | 2.9 |
| Sourcing (0-4) | 2.8 | 2.5 |
| Source independence (0-4) | 2.3 | 1.9 |
| Analysis labeling (0-4) | 4 | 3.7 |
| Language neutrality (0-4) | 4 | 3.4 |
| Articles sampled | 49 | - |
Same story, side by side#
When MatSu Sentinel and another tracked outlet covered the same story, the panel compared the two blinded accounts directly. MatSu Sentinel appeared in 18 of 90 such comparisons; a win counts only when a majority of the three judges agree. Small numbers, stated as counts rather than a ranking.
| Category | Times picked |
|---|---|
| fairest evidence treatment | 12 of 18 |
| best sourced | 9 of 18 |
| most independent of official framing | 7 of 18 |
| most editorialized | 5 of 18 |
Coverage and volume#
About 1.1 local stories a day. Of 49 articles read for places, 48 are set in an Alaska community, 1 is statewide, 0 are about places outside Alaska and 0 name no place. Most covered: Palmer (19), Matanuska-Susitna Borough (18), Wasilla (17), Houston (8), Talkeetna (4), Port MacKenzie (3).
Access and distribution#
Facts about how MatSu Sentinel publishes, not scores: blocking AI crawlers is a legitimate choice, and a check our crawler could not complete says why.
| Paywall | RSS | Full-text RSS | AI crawlers blocked | Readable without JS |
|---|---|---|---|---|
| none | yes | yes | 0 | yes |
Why it is on the board#
Independent Mat-Su newsroom covering the fastest-growing borough.
Reach context: One-person nonprofit (June 2024); LION Publishers 2025 New Business of the Year.
How this is measured#
Each article is scored by three models from three vendors against a published rubric, with outlet names and bylines removed first; an outlet's number is the mean of its per-article panel medians. Lean measures direction only, never quality. The full method, its validation checks and every outlet's numbers are on the Alaska Media Bias Scorecard, and the data is free to reuse with credit (CC BY 4.0).
The other outlets on the board#
Alaska News · Anchorage Daily News · Alaska Beacon · Anchorage Press · The Alaska Current · The Alaska Story · Juneau Independent · Fairbanks Daily News-Miner · Alaska Watchman · Alaska's News Source · Nieman Lab · Must Read Alaska