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Tools, devices or software (as diverse as a TV remote control, the interface of an oven, or a word processor) must be evaluated before their release on the market from different points of view such as their technical properties or their usability. Usability evaluation allows assessing whether the product under evaluation is efficient enough (Are the users able to carry out their task while expending reasonable resources such as time, cognitive or physical demand), effective enough (Can the user complete the tasks they are supposed to perform with the tool? Is their performance complete and accurate?) and sufficiently satisfactory for the users (What is the users’ attitude towards the system? Do they experience discomfort?). For this assessment to be objective, there is a need for measurabl

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  • But d'utilisabilité (fr)
  • Usability goals (en)
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  • Un but d'utilisabilité est une liste de critères d'utilisation permettant de s'assurer des fonctionnalités d'un dispositif ou d'un logiciel. Les outils, les dispositifs et les logiciels doivent être évalués avant d’être mis en vente sur le marché ou installés dans un système de travail. Cette évaluation peut porter sur plusieurs points tels que ses qualités techniques, de fabrication ou d’Utilisabilité. (fr)
  • Tools, devices or software (as diverse as a TV remote control, the interface of an oven, or a word processor) must be evaluated before their release on the market from different points of view such as their technical properties or their usability. Usability evaluation allows assessing whether the product under evaluation is efficient enough (Are the users able to carry out their task while expending reasonable resources such as time, cognitive or physical demand), effective enough (Can the user complete the tasks they are supposed to perform with the tool? Is their performance complete and accurate?) and sufficiently satisfactory for the users (What is the users’ attitude towards the system? Do they experience discomfort?). For this assessment to be objective, there is a need for measurabl (en)
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  • Un but d'utilisabilité est une liste de critères d'utilisation permettant de s'assurer des fonctionnalités d'un dispositif ou d'un logiciel. Les outils, les dispositifs et les logiciels doivent être évalués avant d’être mis en vente sur le marché ou installés dans un système de travail. Cette évaluation peut porter sur plusieurs points tels que ses qualités techniques, de fabrication ou d’Utilisabilité. L’évaluation de l’utilisabilité permet de vérifier si le produit évalué (une simple télécommande de télévision, l’interface de contrôle d’un four ménager, ou un traitement de texte) est suffisamment efficient (les utilisateurs peuvent-ils effectuer leurs tâches en dépensant raisonnablement leurs ressources, e.g. attention, temps, énergie ?), efficace (les utilisateurs peuvent-ils accomplir les tâches qu’ils sont supposés accomplir avec l’outil évalué ?) et satisfaisant (quel est l’attitude des utilisateurs envers l’outil évalué ? Leur expérience est-elle agréable ?). Pour que cette vérification se base sur des données objectives, il lui faut des buts que l’outil doit atteindre et que l’on peut mesurer (par exemple en matière de facilité d’utilisation ou d’apprentissage). Ce type de but est appelé but d’utilisabilité (ou encore exigence ou objectif d’utilisabilité). Ce sont des critères objectifs auxquels les résultats d’une évaluation d’utilisabilité sont comparés pour vérifier l’utilisabilité d’un outil. (fr)
  • Tools, devices or software (as diverse as a TV remote control, the interface of an oven, or a word processor) must be evaluated before their release on the market from different points of view such as their technical properties or their usability. Usability evaluation allows assessing whether the product under evaluation is efficient enough (Are the users able to carry out their task while expending reasonable resources such as time, cognitive or physical demand), effective enough (Can the user complete the tasks they are supposed to perform with the tool? Is their performance complete and accurate?) and sufficiently satisfactory for the users (What is the users’ attitude towards the system? Do they experience discomfort?). For this assessment to be objective, there is a need for measurable goals (for instance in terms of easiness of use or of learning) that the system must achieve.That kind of goal is called a usability goal (or also usability requirement). They are objective criteria against which the results of the usability evaluation are compared to assess the usability of the product under evaluation. (en)
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