# Card Sorting Data Collection Methodology: How Many Participants Is Most Efficient?

> Research article (Journal of Classification, 2019) · cited 36× · AI/ML

**Wikidata**: [openalex:W2935352645](https://www.wikidata.org/wiki/openalex:W2935352645)  
**Source**: https://4ort.xyz/entity/card-sorting-data-collection-methodology-how-many-participants-is-most-efficient