SEC. 03 - Fundamentals of Human Performance

Question 1

Why is it important to account for human performance factors in law enforcement?

Answer 1

To appropriately evaluate officers performance or actions during a use of force event.

Question 2

How are reaction-time, movement-time, and response-time defined?

Answer 2

Reaction time is the time from the arrival of suddenly presented signal to beginning of response.

Movement time is a time from 1st movement to the end of that movement.

Response time equals reaction time plus movement time .

Question 3

Which sense conveys stimuli to the subject in the shortest time?

Answer 3

Touch. .12 to .14

Question 4

Which sense conveys stimuli to the subject in the longest time?

Answer 4

Sight. .18 to .22.

Question 5

What happens to reaction times when people correctly anticipate a signal both temporally and spatially?

Answer 5

Reaction time is reduced.

Question 6

What are the determiners of reaction time?

Answer 6

Complexity of event

Stimulus identification
- Whether the stimulus is auditory or visual.

Response selection

Response programming

• Fatigue
• Stress
• Distractions
• Alcohol
• Personality type

Physiology:

• Age
• Gender
• Physical fitness

Question 7

What is the Inverted-U Principle?

Answer 7

Performance increases as stress increases … to a point … and when there is too much stress, performance decreases.

Question 8

What are the defining features of an open-loop motor program?

Answer 8

Generally …

• Movement organized in advance
• NO TIME for muscle feedback
• Occurs under 0.2 seconds

Question 9

What are the defining features of an closed-loop motor program?

Answer 9

Generally …

• Slower function
• Time for muscle feedback
• Occurs over .2 seconds