Ivy League Professor Suspects AI Cheating, Orders In-Person Final; Scores Drop 50%

A Brown University economics professor, Roberto Serrano, suspected students were using generative AI to cheat on exams. After he replaced a take-home final with an in-person proctored exam, average scores plummeted by 50%. This incident highlights the widespread use of AI for cheating even at elite institutions, with a recent Princeton survey showing nearly 30% of students admitting to using AI on assignments.