Human Error Classification 09

Question 1

Is human error random?

Answer 1

No but it can be

Question 2

What are some factors affecting human error?

7 points

Answer 2

1 Job satisfaction

2 Fatigue

3 lack of skill

4 lack of information

5 distraction

6 multi-tasking

7 misunderstanding

Question 3

What are the types of controller error?

Answer 3

Slips

Lapse

Mistakes

Question 4

What are slips

Answer 4

Intention correct but not carried out as planned

Likely one off errors

Question 5

What are lapses?

Answer 5

The controller has failed to do something

• distracted
• lack of attention

Question 6

What are mistakes?

Answer 6

Action performed as intended but plan faulty

Error or judgement

Poor controlling techniques

Question 7

Issues affecting controllers

8 things

Answer 7

• prospective
• Guilt
• Obligation

- Responsibility: 
   Moral
   Welfare 
   Legal
   Task
    Role

Question 8

What are 2 important points of competence?

Answer 8

Deteriorating confidence

Controller confidence

Question 9

What are decisions on competence:

Answer 9

1) suspension

2) revocation

Question 10

Define violations

Answer 10

Deliberate action known To be against the rules

Question 11

There are 3 main types of classification of performance according to the Rasmussen model?

Answer 11

1) Skill Based
2) knowledge based
3) Rule Based

Question 12

Skill based behaviours are:

Answer 12

• Routine activities conducted automatically
• Determined by stores patterns of instructions
• Highlighted by an inability to verbalise how performance on the behaviour is controlled

Question 13

Rule based behaviours:

Answer 13

• 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.

Question 14

Knowledge based behaviours are:

Answer 14

• 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

Question 15

What are the key concepts of Reasons model?

Answer 15

Active Errors

Latent Errors

Windows of opportunity

Causation chain

Question 16

What are active errors?

Answer 16

The proximal causes of the accident

Question 17

What are the latent errors?

Answer 17

The remaining contributory elements in the organisation

Question 18

What are windows of opportunity

Answer 18

Refer to the opportunity for those activitie and latent Errors to contribute to an accident

Question 19

What is the causation chain

Answer 19

All related windows of opportunity at all levels align thus leading to an accident

Question 20

Poor controlling can be sub divided into what 2 groups?

Answer 20

1) Errors of judgement

2) Poor controlling technique