# The effects of instruction and environmental demand on state anxiety, driving performance and autonomic activity: Are ego-threatening manipulations effective?

> Research article (Transportation Research Part F Traffic Psychology and Behaviour, 2018) · cited 16× · AI/ML

**Wikidata**: [openalex:W2793043656](https://www.wikidata.org/wiki/openalex:W2793043656)  
**Source**: https://4ort.xyz/entity/the-effects-of-instruction-and-environmental-demand-on-state-anxiety-driving-performance-and-autonomic-activity-are-ego-