HUMAN FACTORS - FINALS Flashcards
is defined as a natural outcome of output from the human brain that uses predefined scripts and other shortcuts to complete goal-oriented behaviors.
ERROR
can be defined as “a failure on the part of the human to perform a prescribed act (or the performance of a prohibited act) within
specified limits of accuracy, sequence, or time, which could result in damage to equipment and property or disruption of scheduled operation
HUMAN ERROR
Approach Models in Understanding Human Error
- The Person Approach Model
- The System Approach Model
This is the traditional approach to human error that “names, blames, and shames” an individual(s) as “causing” the accident.
PERSON MODEL
It acknowledges that the organizational culture, human-to-system interface design, and environmental elements can create “latent failure” conditions.
SYSTEM MODEL
In any complex system, human error is inevitable. In systems such as aviation where teams must interact with ___, errors will occur.
technology
When performance limits are exceeded, humans make more errors. When overloaded or under stress, ____ is hampered.
decision-making ability
There are limitations on human performance. All humans have limits imposed by cognitive capabilities such as ___.
capacity of memory
___ has a responsibility to develop and maintain safety culture.
High-risk organization
BASIC TYPES OF ERRORS
UNINTENDED ACTIONS
INTENDED ACTIONS
UNINTENDED ACTIONS
- slips
- lapses
-mistakes
are unintentional actions where there is a memory failure due to forgetting an intention, losing one’s place or omitting planned items.
slips
are unintentional actions where there is lack of appropriate attention due to distractions, Mis-ordering of sequences or mistiming of actions.
lapses
are unsafe intentional actions or deliberate decisions to contravene established rules
mistakes
Intended Action
Violation
