Which two of the following are part of the information architecture?
Answer(s): D,F
The information architecture and the navigation structure are developed in parallel with the prototypes. From a human-centred point of view, the information architecture is the naming and structuring of the information that is accessible to users. The navigation structure is the logical organisation of the screens, pages and windows that comprise the user interface - that is, the links and menus that enable users to get from one set of information to another.
Which two of the following statements best describe why it's important to distinguish between tasks and subtasks?
Answer(s): C,D
TaskA set of activities undertaken in order to achieve a specific goal.Notes:1. Most tasks can be subdivided into subtasks - that is, activities.2. A subtask does not in itself achieve a goal from the user's point of view but is a necessary decision or action to reach the user's goals.3. Most subtasks lead to choices or inputs by the user when using the interactive system.4. Some subtasks can be subdivided into smaller subtasks.5. Subtasks are unsuitable as usability test tasks, because they are very specific
If a user's mental model of an interactive system is incomplete or contradictory,
Answer(s): A
Which one of the terms below best describes the following statement? 80% of 25 users who have used the car rental website at least twice before must be able to rent a car at Frankfurt Airport (Germany) for two days starting tomorrow at 09.00. Users must complete the task in under 5 minutes.
Answer(s): E
Qualitative or quantitative user requirements are derived from user needs. User requirements must be verifiable so it is possible to determine in a usability evaluation whether a prototype fulfils them or not.The user requirements are also used to guide the design in order to ensure that the interactive system meets user's expectations as closely as possible.Qualitative user requirementA statement of what users must be able to locate, recognise, understand, select or input as part of conducting a task with the interactive system to meet identified user needs in a specified context of use.Quantitative user requirementA required level of usability to meet identified user needs expressed in terms of measures of effectiveness, efficiency, satisfaction, accessibility, user experience and avoidance of harm from use in a specified context of use.
Which one of the following is NOT a human-centred quality objective for a next-generation cash machine?
Answer(s): C
Humancentred quality objectivesThe goals that are to be achieved for the user of an interactive system when developing the interactive system.Notes:1. Human-centred quality objectives relate to one or more of the following components of human- centred quality: usability, accessibility, user experience and avoidance of harm from use.Examples of human-centred quality objectives:1. Travelers to the US must be able to pass through immigration twice as quickly as before (usability, efficiency).2. Blind users must be able to recognise and understand the content of the website (accessibility).3. Users must have a feeling of complete privacy when using the electronic voting booth (user experience).4.When using a system for creating prescriptions, the user must not be able to prescribe drugs that are incompatible with each other (avoidance of harm from use)
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