AI use ups homework scores, but slashes exam marks: Study
A World Bank report indicates that while generative AI can improve homework scores, it significantly hinders actual learning and exam performance. The study suggests that relying on AI reduces the 'productive struggle' necessary for cognitive development.
Why it matters
This research provides critical evidence for educators and policymakers regarding the long-term impact of AI integration in school curricula.
NEW DELHI: Evidence cited by World Bank suggests that unrestricted use of generative AI can improve what students submit as part of classwork while weakening what they actually learn - a warning with implications for countries such as India.World Development Report 2026 devotes a section to 'Generative AI and the Erosion of Knowledge, Learning, and Human Skills', cautioning that tools such as ChatGPT can reduce the mental effort through which reasoning, writing and knowledge are built.Its strongest evidence comes from China. A study covering students in classes VII-XII found self-reported AI use rising from almost zero to around 80% between 2022 and 2025. Six months after its first use, homework scores improved 18% even as students spe-nt less time on assignments, while monthly in-class examination scores fell 20%.
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