# Assessing Student's Dynamic Knowledge State by Exploring the Question Difficulty Effect

> Research article (Proceedings of the 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2022) · cited 96× · AI/ML

**Wikidata**: [openalex:W4284683483](https://www.wikidata.org/wiki/openalex:W4284683483)  
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