US professor uses hidden prompts to catch AI cheating, 32 of 35 exam papers caught
Jason Gibson, a history professor at Alcorn State University in the US, devised a clever trick to catch AI cheating: embedding hidden prompts about 'Madagascar' in white font within an Industrial Revolution exam document. As a result, 32 of 35 exam papers contained illogical content such as 'a purple bicycle in Madagascar whispering to the ceiling,' exposing the cheating on the spot.
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