Understanding act or inaction that exceeds the tolerances outlined

Understanding the role of human
error in associate accident or
incident is basically completely different from merely attributing such an incident to associate inherently fallible human operator. Human error has been
diversely characterized as any member of a group of human actions that exceeds
some limit of acceptableness,
any act or inaction that exceeds
the tolerances outlined by the
system with that the human
interacts, the failure to realize
associate supposed outcome on the far side the influence of
random incidence, a necessary
outcome to permit humans to
explore and perceive systems
operators social knowledge of
responsibility and values. These definitions convey the many-sided nature of human error. chiefly, however, they recommend
the 2 complementary proposals
that human operators square measure
organic mechanisms with failure rates and tolerances analogous to
hardware/software components of
a system, that human error may be an
uncomplimentary term for traditional human behavior in typically unkind environments, wherever solely the end result
determines if this behavior is injurious.

These three views also are mirrored within the three major approaches developed to handle human error in accident and incident analyses human dependability assessment and human
error.

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