# Streetlight Effect

*Tom Geraghty · Measurement*

Uses the Streetlight Effect — searching where the light is rather than where the thing is — to critique PS measurement. Argues that what gets measured is what's easy to measure, not what matters; and that measurement choices are power choices about whose experience counts.

- **This page:** https://explore.psychsafety.com/n/the-streetlight-effect/
- **Read the full article on psychsafety.com:** https://psychsafety.com/the-streetlight-effect/
- **Interactive map:** https://explore.psychsafety.com/?node=streetlight

## Connected concepts (12)

- [Least Safe Person](https://explore.psychsafety.com/n/a-team-is-only-as-safe-as-the-least-safe-person.md)
- [Principles of Ethical Measurement](https://explore.psychsafety.com/n/principles-of-ethical-measurement-in-organisations.md)
- [Qualitative Measurement of PS](https://explore.psychsafety.com/n/qualitative-measurement-of-psychological-safety.md)
- [Beyond Metrics](https://explore.psychsafety.com/n/beyond-metrics.md)
- [Diversity & Performance](https://explore.psychsafety.com/n/psychological-safety-54-diversity-and-performance.md)
- [Goodhart's / Cobra Effect](https://explore.psychsafety.com/n/goodharts-law-campbells-law-and-the-cobra-effect.md)
- [Measuring PS](https://explore.psychsafety.com/n/measure-psychological-safety.md)
- [PS Index Critique](https://explore.psychsafety.com/n/the-psychological-safety-index-a-critical-look.md)
- [Choosing a Psychometric Tool](https://explore.psychsafety.com/n/choosing-a-psychometric-tool.md)
- [Counterfactuals](https://explore.psychsafety.com/n/counterfactuals.md)
- [Replicating the 'Seductive Allure of Neuroscience Explanations' Effect](https://explore.psychsafety.com/n/vath-et-al-2024.md) (paper)
- [Social Science vs Epidemiology](https://explore.psychsafety.com/n/social_science_epidemiological.md)