Professor's chart exposes the scale of AI cheating in college exams
Roberto Serrano said 86 students saw average scores fall from 96 to 48 after he moved the test to a supervised room.
- Brown University economics professor Roberto Serrano suspected widespread AI cheating after his take-home midterm averaged 96%. When he held an in-person final exam, the average score for the 59 remaining students collapsed to 48.6%.
- After a December shooting left students uncomfortable in classrooms, Serrano allowed take-home exams. Enrollment surged to 86 students, prompting suspicions when midterms averaged 96%, far exceeding the historical 65% to 80% range.
- When the professor repeated one midterm question on the final, the class average plummeted to 10% from previously "beautifully" performed results. Charts suggest only two students likely tested without AI, with one scoring 95.5% and 95%.
- Serrano voided the midterm scores and made the final exam count for 80% of final grades. Consequently, 19 students failed the course, while 27 had previously dropped upon learning the final was in-person.
- Brown's Generative AI in Teaching and Learning Committee urged policy updates to "address GenAI realities and safeguard against misuse." Serrano advises educators to think critically about AI policies, warning, "It's certainly a wake-up call to the professors.
11 Articles
11 Articles
In recent years, AI-assisted cheating has become a growing concern in academia. A diagram by a Brown University professor reveals the scale of this problem and its impact on education. The professor's diagram reveals the extent of AI-assisted cheating in university exams. A striking perspective: The extent of AI-assisted cheating among students has been documented over the past few years, but few visual representations illustrate this problem as…
An economist at Brown University decided to compare the grades of a home-based exam with those of a face-to-face exam.
'We Cannot Choose to Become Idiots': Brown Professor Exposes AI Cheating After In-Person Exam Scores Plunged 50%
Brown University economics professor Roberto Serrano says he has uncovered what he believes is evidence of mass AI-assisted cheating in his own classroom, after moving his final exam from a take-home format into a supervised, in-person sitting. The average score across his 86-student course collapsed from 96 out of 100 on the take-home midterm to just 48 once students sat comparable material in a monitored room. The Numbers Behind the Drop Serra…
Blind professor catches massive AI cheating scandal at Brown University, says it should be a wake-up call after scores drop from 100 to 48
US News: Brown University professor Roberto Serrano allowed the students to take their midterm exam at home, as the shock of the December 13 shooting at the un.
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