r/technology • u/AdSpecialist6598 • Jul 27 '26

Society Professor's invisible prompt trap catches 32 students cheating on their midterm with AI

https://www.techspot.com/news/113243-professor-invisible-prompt-trap-catches-32-students-cheating.html
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u/LaconicLacedaemonian Jul 27 '26

That means the professor can't use AI to grade it then. 

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u/peon47 Jul 27 '26

Scanners are a thing.

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u/SirSkittles111 Jul 27 '26

Most important exams are scanned these days. My finals we could only write in black or blue ink and in pencil, red green or any other colour doesn't get picked up

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u/ailish Jul 27 '26

Do those card things still exist where there'd be numbers from 1 to 150 or something, and then a, b, c, d, e next to the numbers, and you had to fill in the coorespindng bubble for the answer to the question? I feel like we should go back to that.

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u/SirSkittles111 Jul 27 '26

Like a multiple choice paper? Yea, depends on the test and the lectures style. Some you fill in true/false, some is multiple choice, some fill in the blanks, and your typical problem based essay / short answers

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u/ailish Jul 27 '26

Yeah, that's exactly it. I feel old, but we used those all the time. You could set the answers in the software, and then scan each sheet and automatically grade it.

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u/HyruleSmash855 Jul 27 '26

Those still exist. Scantrons where you had to buy that special machine to Reed them used to be the standard version of that. Gradescope and other platforms now allow you to just print out, the bubble sheet, on normal Letter size printer paper, and it uses OCR and computer vision to score the bubbles now by simply scanning and uploading each document as a PDF. My programming class did exams that way, everything was multiple-choice since it was all conceptual stuff

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u/ailish Jul 27 '26

Oh that's very cool. I'm glad it still exists. I forgot the word Scantron, so thanks for reminding me lol.