Human Error Flashcards
1
Q
Slip
A
Failure in execution of action
2
Q
Mistake
A
Errors in planning of action
3
Q
Lapse
A
Intended action is forgotten
4
Q
Violation
A
Intentional choice to disobey rule
5
Q
Error of omission
A
user fails to perform required action
6
Q
Error of commission
A
User performs an inappropriate action
- timing error - wrong timing
- sequence error - wrong order
- selection error - chooses wrong
7
Q
Mediational errors
A
Information processing errors (cognitive)
8
Q
Environmental stressors
A
- noise
- temperature
- vibration
- poor light
9
Q
Psychological stressors
A
- anxiety
- frustration
- fatigue
10
Q
Arousal
A
General energy level of operator
-more stress->more arousal
11
Q
yerkes-dodson law
A
medium arousal leads to best performance
- graph with U/V shaped curve
- higher stress for less complex tasks
12
Q
Effects of stress
A
- increases attentional selectivity
- narrows attention to focus
- reduces working memory
- causes decisions to be made faster (less smart)
