A Brown University professor noted unusual perfect scores on a take-home midterm exam and exposed a massive AI cheating scandal. Many students achieved top marks, which contrasted sharply with prior years. The subsequent in-person final exam saw a dramatic drop in the class average. When the exam was held in person, the class average reportedly fell from 96 to 48.

When Brown University economics professor Robert Serrano suspected that most of his students had used AI to cheat on a take-home midterm exam, he decided to compare...

Are students outsourcing critical thinking to AI tools?