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Human error Quote by Nancy G. Leveson

“Human error is not random. It results from basic human mental abilities and physical skills combined with the features of the tools being used, the tasks assigned, and the operating environment.” quote by Nancy G. Leveson
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““Human error is not random. It results from basic human mental abilities and physical skills combined with the features of the tools being used, the tasks assigned, and the operating environment.””

Nancy G. Leveson

About This Quote

Source Book: Engineering a Safer World, Nancy G. Leveson, 2011

Human error arises from the interaction of abilities, tools, tasks, and environment, not from randomness.

In simple terms: Errors stem from system design and context.

Key Takeaway

Design systems that match human capabilities.

Themes

error design human factors

Mood

analytical pragmatic

Type

technical educational

When to use this quote

  • product design
  • software development
  • aviation safety
  • healthcare operations

Key Concepts

systems engineering cognitive psychology ergonomics

Questions to Reflect On

  • How can design mitigate error?
  • What role does training play?
A Different Perspective

Complex systems may still produce unforeseen errors.

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