Human Error and Failure Analysis
Date: 2022-02-12 · Word Count: 177 · Reading Time: 1 minute
Preventing errors is a critical part of leadership and management. This is true regardless of your industry.
Key points for error prevention:
- Positive attitude to errors:
- Blame free culture
- The psychology of human error
- Look for an error chain, there are usually multiple factors leading to errors
- Active failures (human, usually ~10-20%) vs latent failures (system, 80-90%)
- Education and knowledge management (educate, don’t train)
- Effective system safeguards
- A focus on error detection and prevention (“Preventive and Corrective Action” model)
- Simplification, be anal about it.
- Error proofing and user centered design
https://www.youtube.com/watch?v=uO5tjMhWWWc
Also, when doing analysis, it’s important to keep in mind the traps that can be fallen into when trying to understand the error chain: https://www.youtube.com/watch?v=TqaFT-0cY7U
- Counterfactual reasoning: talking about things that did not occur, the use of “would likely” and similar language
- Normative language: using language that implies that the people chose to do the wrong thing.
- Mechanistic reasoning: looking for a malfunctioning component in a system, rather than looking at the system overall.
- Cherry picking data: picking only data which agrees with an assumed conclusion.