# Digital Pen Features Predict Task Difficulty and User Performance of Cognitive Tests

> Research article (Proceedings of the 28th ACM Conference on User Modeling, Adaptation and Personalization, 2020) · cited 16× · AI/ML

**Wikidata**: [openalex:W3043124816](https://www.wikidata.org/wiki/openalex:W3043124816)  
**Source**: https://4ort.xyz/entity/digital-pen-features-predict-task-difficulty-and-user-performance-of-cognitive-tests
