Kang Xue

Evaluating General‐Purpose Multimodal AI for Q‐Matrix Generation from Math Items: A Cognitive Diagnostic Modeling Exploration

2026 · Journal of Educational Measurement

Abstract Cognitive Diagnostic Models (CDMs) provide fine‐grained diagnostic feedback, but their central component—the Q‐matrix—remains costly and labor‐intensive to construct. This study explores the automated generation of Q‐matrices using general‐purpose AI, including ChatGPT‐4o, Gemini‐2.5‐pro, and Claude‐sonnet‐4. …