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AI not yet good enough to mark university essays, rewarding ‘style over substance’

AI not yet good enough to mark university essays, rewarding ‘style over substance’

Top AI systems show bias towards rewarding overly complex prose styles and only match human examiners for grade bands around half the time, research finds Researchers have used top Generative AI models to grade hundreds of undergraduate essays and found that AI only matched human-awarded degree classification around half the time, with AI often failing to assess the best and worst submissions accurately. A University of Cambridge-led…

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