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11 Cards in this Set

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  • Back
What is Reason's (1990) definition of a mistake?
Wrong plan/ intention
What is Reason's definition of a slip?
Right intention, wrong action
What is Reason's definition of a lapse?
Omission of necessary action
What is Reason's definition of a violation?
Deliberate deviation from safe practice
What would attentional failures be classified as?
Slips
What would memory failures be classified as?
Lapses
What were the conditions conductive to slips at Tenerife?
-Familiar surroundings
-distraction/preoccupation
-action part of another sequence
What were the four latent conditions present at Tenerife?
-Inflexible reguations on duty time
-Training captain syndrome
-ATC terminology
-Failure of crew concept
Do complex systems require centralised or decentralised authority and why?
Decentralised. To cope with unexpected events
Do tightly coupled systems require centralised or decentralised authority and why?
Centralised. For immediate unquestioned response to events
What are the four steps involved in the Technique for Human Error Rate Prediction (THERP)?
1. Break task into components
2. Assign Human Error Probabilities (HEPs)
3. Adjust HEPs for Performance Shaping Factors (PSFs)
4. Calculate overall error probabilities