# Human language reveals a universal positivity bias

> Research article (Proceedings of the National Academy of Sciences, 2015) · cited 402× · AI/ML

**Wikidata**: [openalex:W2022792389](https://www.wikidata.org/wiki/openalex:W2022792389)  
**Source**: https://4ort.xyz/entity/human-language-reveals-a-universal-positivity-bias