9.4 Performance Factors Flashcards
Engineers can experience work related stress for 2 reasons?
- due to their task
- general working environment
What is meant by using defence strategies when dealing with stress
-Involve alleviation of the symptoms (medication, alcohol etc) or reducing anxiety
What is meant by using coping strategies when dealing with stress
-Involves dealing with the source of stress
explain arousal?
refers to a persons readiness to perform work
explain ‘workload’
term generally used to describe the degree of stimulation a task exerts on an employee
Explain what overload is
- occurs at very high levels of workload
- Causes performance to deteriorate. Errors are increased
Explain what underload is
- occurs at low levels of workload
- performance deteriorate and errors are increased
What can a lack of sleep lead to?
Cumulative sleep deficit
How many hours of sleep does a human approximately require every 24 hours
8 hours
rule of thumb is that 1 hour of quality sleep is enough for 2 hours of activity (T or F)?
True
What is the ‘Circadian rhythm’ term commonly known as
body clock
Circadian rhythms are controlled by the brain (T or F)
True
What are the 2 types of fatigue
- Psychological
- Subjective
what is physiological fatigue
reflects the body’s need for replenishment and restoration
what is subjective fatigue
- Person’s perception of how sleepy they feel
