> The authors estimate that time spent using the AI tutor is as effective as time spent studying without AI assistance, which is around one fourth as effective as studying with a real tutor.
I find that surprising. I would expect the AI tutor to add noticeable value over studying static written material.
> I would expect the AI tutor to add noticeable value over studying static written material
Why would you think that? The act of (human) tutoring is absolutely the opposite of how these chatbots are built. Tutors are proactive, not reactive.
I guess that’s why they do studies.