# Collider scope: when selection bias can substantially influence observed associations

> Research article (International Journal of Epidemiology, 2017) · cited 934× · AI/ML

**Wikidata**: [openalex:W2528374605](https://www.wikidata.org/wiki/openalex:W2528374605)  
**Source**: https://4ort.xyz/entity/collider-scope-when-selection-bias-can-substantially-influence-observed-associations