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HS&E SUP practice question: Incidents and emergencies (5 of 5)

E. Specialist: Supervisory A free question from our original HS&E SUP practice exam. Try it, then open the answer to see why each option is right or wrong.

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After an accident, the investigation finds the worker made a mistake.

What should the investigation ask next?

Choose one answer.

  1. A. How to discipline the worker
  2. B. Whether to close the investigation early
  3. C. Why the mistake happened
  4. D. Nothing, as the cause has been found
Show the answer and explanation

Answer: C

  • A. Wrong: Wrong. Blame doesn't stop it happening again.
  • B. Wrong: Wrong. Keep going until you find the underlying causes.
  • C. Right: Right. HSE says investigations should consider why human failures occurred, to find the underlying causes.
  • D. Wrong: Wrong. A mistake is rarely the whole story.

Explanation

When human error is found, ask why it happened. Look at training, supervision, workload and the way the job was set up.

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