# The pupil-size artefact (PSA) across time, viewing direction, and different eye trackers

> Research article (Behavior Research Methods, 2021) · cited 34× · AI/ML

**Wikidata**: [openalex:W3135267961](https://www.wikidata.org/wiki/openalex:W3135267961)  
**Source**: https://4ort.xyz/entity/the-pupil-size-artefact-psa-across-time-viewing-direction-and-different-eye-trackers