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Unformatted text preview: sequences Three questions: Were the actions directed by some prior intention?
Did the actions proceed as planned?
Did they achieve their desired end? Human Error
Human Error What is the difference between intentional and nonintentional actions? Intentional actions have an intended outcome. Nonintentional actions are involuntary and do not result in an intended outcome. Human Error
Human Error Working definitions
Error: All those occasions in which a planned sequence of mental or physical activities fails to achieve its intended outcome, and when these failures cannot be attributed to the intervention of some chance agency. Human Error
Slips & lapses: Errors which result from some failure in the execution and/or storage stage of an action sequence, regardless of whether or not the plan which guided them was adequate to achieve its objective. (execution failures) Human Error
Mistakes: Deficiencies or failures...
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- Spring '13