# Modeling Skipped and Not‐Reached Items Using IRTrees

> Research article (Journal of Educational Measurement, 2017) · cited 55× · AI/ML

**Wikidata**: [openalex:W2752053048](https://www.wikidata.org/wiki/openalex:W2752053048)  
**Source**: https://4ort.xyz/entity/modeling-skipped-and-notreached-items-using-irtrees