# Internal and external sources of variability in perceptual decision-making.

> Research article (Psychological Review, 2017) · cited 67× · AI/ML

**Wikidata**: [openalex:W2767056325](https://www.wikidata.org/wiki/openalex:W2767056325)  
**Source**: https://4ort.xyz/entity/internal-and-external-sources-of-variability-in-perceptual-decision-making