# An ACT-R Model of the Spacing Effect

> Research article (Figshare, 2018) · cited 27× · AI/ML

**Wikidata**: [openalex:W174490737](https://www.wikidata.org/wiki/openalex:W174490737)  
**Source**: https://4ort.xyz/entity/an-act-r-model-of-the-spacing-effect