S. Yu, Myra Cheng, Dan Jurafsky, R. D. Hawkins, et al. · 2026 · arXiv; CogSci 2026 (per listing) Read the source In simple tasks, AI help did not change completion time — yet people predicted it would be much faster, a bias absent when they imagined help from another person. Questions it bears on Why we misjudge our speed with AI