‘But there is a difference between recognising AI use and proving its use. So I tried an experiment. … I received 122 paper submissions. Of those, the Trojan horse easily identified 33 AI-generated papers. I sent these stats to all the students and gave them the opportunity to admit to using AI before they were locked into failing the class. Another 14 outed themselves. In other words, nearly 39% of the submissions were at least partially written by AI.‘
Article archived: https://web.archive.org/web/20251125225915/https://www.huffingtonpost.co.uk/entry/set-trap-to-catch-students-cheating-ai_uk_691f20d1e4b00ed8a94f4c01
The Trojan worked because the students who read the assignment would not have seen the reference to Marxism. Only by copy pasting the text in to another field would that show up.
The article mentions that he gave them a chance to explain why they chose to write it from a Marxist perspective and none of the students even knew what Marxism was.
He gave students an out in the event they actually did write from a Marxist pov