# To have and to hold: looking vs. touching in the study of categorization

> Research article (Frontiers in Psychology, 2015) · cited 16× · AI/ML

**Wikidata**: [openalex:W2050361061](https://www.wikidata.org/wiki/openalex:W2050361061)  
**Source**: https://4ort.xyz/entity/to-have-and-to-hold-looking-vs-touching-in-the-study-of-categorization