EL PAÍS in English | Why are there more top grades at university? ChatGPT is to blame by jordi perez
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Since the debut of ChatGPT in 2022, top grades at universities have jumped by about 30%, especially in writing‑ and programming‑heavy courses, because students increasingly use AI to complete assignments. A study of half a million Texas students and a separate survey of 95,000 undergraduates at 20 U.S. institutions show that roughly one in ten assignments now involve AI, with the highest cheating rates in economics (17%) and journalism (16%) and the lowest in biology (5%). The grade inflation is driven not by rescuing failing students but by nudging already‑mid‑to‑high‑performing students upward, creating “task‑shift” where AI does the work for them. Although the phenomenon is global, its extent varies with assessment methods, institutional policies, and AI accessibility. Researchers suggest three mitigation strategies: using supervised environments to verify individual work, clarifying permissible AI use case‑by‑case, and redesigning assignments to either limit or intentionally incorporate AI, recognizing that no single AI‑proof solution exists.



