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    Brown University economics final scores plummeted after professor shifted format in-person to stop LLM cheating

    Eighteen students dropped the class following the exam policy change

    Paul GrahamPG
    Kosta Derpanis (sabbatical in Zurich)KD
    scott belskySB
    23 Sources, 98d ago, first seen 98d ago

    Combined views

    13M

    23 Sources, first seen 98d ago

    32.3K likes1.9K comments7.4K saves3.7K reposts

    Sources

    1. KD
      Kosta Derpanis (sabbatical in Zurich)@CSProfKGD3 months ago

      ML/vision profs: how have you structured your assessments now that LLM use is pervasive? What’s working, what isn’t, and what surprised you? Asking for a friend 😉 https://twitter.com/aakashgupta/status/2075092082965074378

      • likes: 19
      • replies: 4
      • bookmarks: 8
      • reposts: 0
    2. SB
      scott belsky@scottbelsky3 months ago

      also a sign of how stale traditional education is. I wonder how these assessments that prohibit the use of modern methods of remembering and querying things are actually correlated with the intelligence or initiative that makes someone successful?…

      • likes: 45
      • replies: 15
      • bookmarks: 8
      • reposts: 0
    3. TN
      Timothy Nguyen@IAmTimNguyen3 months ago

      Back when I was an undergrad at Caltech, all assignments and exams (including the final) were take-home, timed, and self-administered. The Caltech honor code was real and lived. Looking at the impact of its alumni, that trust clearly paid off. I'm not sure if that model is still…

      • likes: 101
      • replies: 10
      • bookmarks: 29
      • reposts: 3
    4. DT
      Derek Thompson@DKThomp3 months ago

      I think here’s an interesting tension between many academics’ insistence that “AI can’t think” and the discovery that AI has demolished traditional methods for evaluating learning and thinking. https://twitter.com/paulg/status/2075031014628311236

      • likes: 853
      • replies: 89
      • bookmarks: 141
      • reposts: 53
    5. AC
      Alex Cohen@anothercohen3 months ago

      I'd bet if most companies ran this same exercise with their employees, they'd want to fire half of them that simply can't function without AI anymore

      • likes: 50
      • replies: 16
      • bookmarks: 6
      • reposts: 4
    6. AN
      Anastasios Nikolas Angelopoulos@ml_angelopoulos3 months ago

      Imagine getting a literal 0% on the exam after using Fable to cheat your way to 100%. 🤦‍♂️ https://twitter.com/paulg/status/2075031014628311236

      • likes: 32
      • replies: 9
      • bookmarks: 1
      • reposts: 0

    Combined views

    13M

    23 Sources, first seen 98d ago

    32.3K likes1.9K comments7.4K saves3.7K reposts

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    Featured Source
    PGPaul Graham@paulg6:35 PM · Jul 8, 2026

    A Brown professor gave his students a take-home midterm exam. After suspecting many cheated using AI, he made the final in-person. The orange dots are the midterm scores and the gray dots are the final scores. Looks like all but 3 cheated on the midterm.

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