# Evaluating input device usability as a function of task difficulty in a tracking task

> Research article (Ergonomics, 2015) · cited 15× · AI/ML

**Wikidata**: [openalex:W2043057824](https://www.wikidata.org/wiki/openalex:W2043057824)  
**Source**: https://4ort.xyz/entity/evaluating-input-device-usability-as-a-function-of-task-difficulty-in-a-tracking-task