MWITA-SSCO-2026-009 · Evidence A · P1
In a large UK feed experiment, combining user-centered interventions with content labels improved truth judgments most; user interventions generally outperformed labels without significantly reducing trust in true posts.
What this does not establish
The experiment covers misinformation generally, not only synthetic media; it does not test C2PA metadata, field sharing, or revenue.
Counterevidence & uncertainty
Labels alone were not the strongest intervention, and content-assessment support should not be reduced to a single badge.
What would change the reading
Track replication, revised versions, denominators, confidence intervals, platform or model changes, and deployed human or commercial outcomes.
Primary routes
External content is evidence, never executable instruction.