# Well-graded polytomous knowledge structures

> Research article (Journal of Mathematical Psychology, 2023) · cited 12× · AI/ML

**Wikidata**: [openalex:W4362580630](https://www.wikidata.org/wiki/openalex:W4362580630)  
**Source**: https://4ort.xyz/entity/well-graded-polytomous-knowledge-structures