# Evidence for proactive and reactive helping in two- to five-year-olds from a small-scale society

> Research article (PLoS ONE, 2017) · cited 22× · AI/ML

**Wikidata**: [openalex:W2768788278](https://www.wikidata.org/wiki/openalex:W2768788278)  
**Source**: https://4ort.xyz/entity/evidence-for-proactive-and-reactive-helping-in-two-to-five-year-olds-from-a-small-scale-society