Source details
- Original source
- The Decoder
- Published
- 2026-07-12
- Primary topic
- Developer Tools
Why it matters
Coding copilots, APIs, SDKs, open-source releases, dev workflows, and engineering infrastructure. Use the original source for the full report, then use the directory shortcuts below to compare the products and workflows the story points toward.
What happened
An economics professor at Brown University suspects most of his 86 students used AI to cheat on a take-home exam that averaged 96 percent. When he made the final an in-person test, 18 students dropped the course, nine didn't show up, and the average fell to 48.6 percent. Two large studies from China and UC Berkeley back up his case: where students lean on AI for homework, their proctored exam scores tank. The article Grades dropped from 96 to 48 percent when a Brown professor made students take the exam without AI appeared first on The Decoder .
What to do next
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An economics professor at Brown University suspects most of his 86 students used AI to cheat on a take-home exam that averaged 96 percent. When he made the final an in-person test, 18 students dropped the course, nine didn't show up, and the average fell to 48.6 percent. Two large studies from China and UC Berkeley back up his case: where students lean on AI for homework, their proctored exam scores tank. The article Grades dropped from 96 to 48 percent when a Brown professor made students take the exam without AI appeared first on The Decoder .
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