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Human error Quote by Donald A. Norman

“human error usually is a result of poor design: it should be called system error. Humans err continually; it is an intrinsic part of our nature. System design should take this into account. Pinning the blame on the person may be a comfortable way to proceed, but why was the system ever designed so…” quote by Donald A. Norman
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““human error usually is a result of poor design: it should be called system error. Humans err continually; it is an intrinsic part of our nature. System design should take this into account. Pinning the blame on the person may be a comfortable way to proceed, but why was the system ever designed so that a single act by a single person could cause calamity? Worse, blaming the person without fixing the root, underlying cause does not fix the problem: the same error is likely to be repeated by someone else. I””

Donald A. Norman

About This Quote

Source Book: The Design of Everyday Things, 1988

Design flaws cause human mistakes; blaming people ignores systemic issues.

In simple terms: Bad design leads to errors.

Key Takeaway

Design systems to prevent errors.

Themes

human error system design responsibility

Mood

critical analytical

Type

philosophical practical

When to use this quote

  • product development
  • workplace safety
  • policy making
  • user interface design
  • process improvement

Key Concepts

human factors error prevention systemic thinking

Questions to Reflect On

  • How can design anticipate unforeseen human behavior?
  • What safeguards can reduce reliance on individual vigilance?
A Different Perspective

If design is fixed, people still make errors due to other factors.

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