Ivy League Professor Orders In-Person Final After Suspecting AI Cheating; Scores Plunge 50%

A Brown University economics professor, Roberto Serrano, suspected students were using generative AI to cheat on exams and replaced an online final with an in-person proctored test. Average scores fell by about 50%, revealing extensive cheating in the class.

Separately, a Princeton survey found that 29.9% of students admitted to using AI on at least one exam or assignment. The incident underscores how even elite students may rely on AI shortcuts instead of learning the material.