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College professors are going back to paper exams and handwritten essays to fight students using ChatGPT
(www.businessinsider.com)
This is a most excellent place for technology news and articles.
"Sometimes" would be my answer. I caught students who colluded during online exams, and even managed to spot students pasting directly from an online search. Those were painful conversations, but I offered them resits and they were all honest and passed with some extra classes.
With AI, detection is impossible at the moment.