How detectors classify AI text

Schools are trying to restrict or at least identify the use of AI, and colleges are attempting to catch students who cut and paste generated text to use in their assignments. How effective are the tools they're using? Chicago Booth's Brian Jabarian about his research on AI detection tools. Jabarian points out that it's not just education that's affected, but also the reviews that drive consumer purchases. So can online tools help you detect if that restaurant review was written by ChatGPT?