The First Randomized AI Overviews Study Pinned the Click Loss at 38%
Saharsh Agarwal (Indian School of Business) and Ananya Sen (Carnegie Mellon) ran the first randomized field experiment on Google's AI Overviews, recruiting 1,065 US desktop Chrome users between January and February 2026. Hiding AI Overviews raised outbound clicks from 0.38 to 0.61 per search, a