ResearchThe Decoder· Jun 21, 2026
Study Links AI to Inflated Grades in Writing and Coding Courses
A UC Berkeley analysis of over 500,000 grades showed increases in courses focused on writing and coding after ChatGPT became available. The rises appeared mainly in homework rather than exams. This pattern indicates AI is substituting for student effort instead of supporting deeper learning.
Key points
- →UC Berkeley reviewed more than 500,000 grades across courses
- →Writing and coding classes recorded grade increases after ChatGPT launch
- →Homework showed the largest changes, pointing to outsourced work
- →Results suggest AI use does not reflect improved student learning
Mentioned
ChatGPT
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