Human Error Classification 09 Flashcards
Is human error random?
No but it can be
What are some factors affecting human error?
7 points
1 Job satisfaction
2 Fatigue
3 lack of skill
4 lack of information
5 distraction
6 multi-tasking
7 misunderstanding
What are the types of controller error?
Slips
Lapse
Mistakes
What are slips
Intention correct but not carried out as planned
Likely one off errors
What are lapses?
The controller has failed to do something
- distracted
- lack of attention
What are mistakes?
Action performed as intended but plan faulty
Error or judgement
Poor controlling techniques
Issues affecting controllers
8 things
- prospective
- Guilt
- Obligation
- Responsibility:
Moral
Welfare
Legal
Task
Role
What are 2 important points of competence?
Deteriorating confidence
Controller confidence
What are decisions on competence:
1) suspension
2) revocation
Define violations
Deliberate action known To be against the rules
There are 3 main types of classification of performance according to the Rasmussen model?
1) Skill Based
2) knowledge based
3) Rule Based
Skill based behaviours are:
- Routine activities conducted automatically
- Determined by stores patterns of instructions
- Highlighted by an inability to verbalise how performance on the behaviour is controlled
Rule based behaviours:
- Activities Controlled by a set of stores rules
- Typically Based on specific ability and the rules for performance can be verbalised
- The distinction between rule and skill based is the attention and level of training.
Knowledge based behaviours are:
- Stored Rules no longer apply and a novel situation is presented for which a plan must be developed to solve a problem
- Contrast to set of rules, plans often changed based on situation.
- Attention must be allocated to the behaviour
What are the key concepts of Reasons model?
Active Errors
Latent Errors
Windows of opportunity
Causation chain
