Gulf of execution is a term usually used in human computer interaction to describe the gap between a user's goal for action and the means to execute that goal. Usability has as one of its primary goals to reduce this gap by removing roadblocks and steps that cause extra thinking and actions that distract the user's attention from the task intended, thereby preventing the flow of his or her work, and decreasing the chance of successful completion of the task. Similarly, there is a gulf of evaluation that applies to the gap between an external stimulus and the time a person understands what it means. Both phrases are mentioned in Donald Norman's 1986 book User Centered System Design: New Perspectives on Human-computer Interaction.

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  • Gulf of execution is a term usually used in human computer interaction to describe the gap between a user's goal for action and the means to execute that goal. Usability has as one of its primary goals to reduce this gap by removing roadblocks and steps that cause extra thinking and actions that distract the user's attention from the task intended, thereby preventing the flow of his or her work, and decreasing the chance of successful completion of the task. Similarly, there is a gulf of evaluation that applies to the gap between an external stimulus and the time a person understands what it means. Both phrases are mentioned in Donald Norman's 1986 book User Centered System Design: New Perspectives on Human-computer Interaction. This can be illustrated through the discussion of a VCR problem. Let us imagine that a user would like to record a television show. They see the solution to this problem as simply pressing the Record button. However, in reality, to record a show on a VCR, several actions must be taken: The difference between the user's perceived execution actions and the required actions is the gulf of execution. (en)
  • Il golfo dell'esecuzione è un concetto psicologico con cui si intende la differenza tra intenzioni e azioni possibili. Una misura di questo golfo si ha considerando quanto il sistema permetta alla persona di eseguire le azioni dirette senza sforzi supplementari. Quindi, per golfo dell'esecuzione si intende la corrispondenza tra le azioni presentate da un sistema e le azioni che la persona aveva in mente. È un parametro considerato negli studi di usabilità e nella progettazione di sistemi d'interfaccia. (it)
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  • Gulf of execution is a term usually used in human computer interaction to describe the gap between a user's goal for action and the means to execute that goal. Usability has as one of its primary goals to reduce this gap by removing roadblocks and steps that cause extra thinking and actions that distract the user's attention from the task intended, thereby preventing the flow of his or her work, and decreasing the chance of successful completion of the task. Similarly, there is a gulf of evaluation that applies to the gap between an external stimulus and the time a person understands what it means. Both phrases are mentioned in Donald Norman's 1986 book User Centered System Design: New Perspectives on Human-computer Interaction. (en)
  • Il golfo dell'esecuzione è un concetto psicologico con cui si intende la differenza tra intenzioni e azioni possibili.Una misura di questo golfo si ha considerando quanto il sistema permetta alla persona di eseguire le azioni dirette senza sforzi supplementari.Quindi, per golfo dell'esecuzione si intende la corrispondenza tra le azioni presentate da un sistema e le azioni che la persona aveva in mente.È un parametro considerato negli studi di usabilità e nella progettazione di sistemi d'interfaccia. (it)
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  • Gulf of execution (en)
  • Golfo dell'esecuzione (it)
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