A new approach to errors management has emerged in human factors in computer systems. A slogan for the approach was formulated by Norman (1983): "There are no errors: all operations are iterations toward a goal." At the same time, the reality of human errors---actions that deviate from some standard of desired performance and violate some tolerance limits of the systems-still exists. The new "no-errors" approach needs a new conceptual framework to represent the traditional "errors" reality and the activities equivalent to errors management in a different, non-traditional, way. This paper offers such a conceptual framework and its human/computer interface design implications.
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