Human Error

Question 1

Slip

Answer 1

Failure in execution of an action (Right idea, wrong action)

Question 2

Mistake

Answer 2

Errors in planning action (Intended behavior is inappropriate)

Question 3

Lapse

Answer 3

An intended action is forgotten and not carried out

Question 4

Violation

Answer 4

Intentional choice to disobey rule or procedure

Question 5

Mode Error

Answer 5

Action is appropriate in one system mode, but carried out in a different one (Gas pedal, but in reverse instead of drive)

Question 6

Error of Omission

Answer 6

Failing to perform the required action

Question 7

Error of Commission

Answer 7

Performing an inappropriate action (Timing, Sequence, or Selection errors)

Question 8

Input Error

Answer 8

Information from the sensory and perceptual processes

Question 9

Mediation Error

Answer 9

Cognitive processes that translate between perception and action

Question 10

Output Error

Answer 10

Due to the selection and execution of physical responses

Question 11

Types of failure

Answer 11

Recoverable or Non-recoverable

Question 12

Operating Error

Answer 12

System not used according to the correct procedure

Question 13

Design Error

Answer 13

System designer creates an error-likely situation

Question 14

Stressor

Answer 14

Anything that is not inherent of the human/machine system or the information processed and is expected to degrade system performance (environmental or psychological)

Question 15

Arousal

Answer 15

General energy level of the operator

Question 16

Yerkes-Dodson Law (Stress and Performance)

Answer 16

Performance is highest at medium arousal and tapers off at both low and high arousal (-x^2)

Question 17

Simple/Complex Tasks and Arousal

Answer 17

For simple tasks, higher optimum arousal. For complex tasks, lower optimum arousal. (Working memory, decision making, narrow thinking, speed/accuracy necessity)