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ISO 9241 -A family of standards covering human-centred design.

Note: 1.

ISO 9241 includes standards related to

a. Software ergonomics;

b. The human-centred design process;

c. Displays and display related hardware;

d. Physical input devices;

e. Workplace ergonomics;

f. Environment ergonomics;

g. Control centres

See page 51 in https://uxqb.org/wp-content/uploads/documents/CPUX-F_EN_Curriculum-and-Glossary.pdf

Usability inspection is a form of usability evaluation. It is based on the judgment of one or more evaluators who examine or use an interactive system to identify potential usability problems, and deviations from established dialogue principles, heuristics, user interface guidelines and user requirements. The evaluators base their evaluation on their experience as user experience professionals or as users of the interactive system that is being evaluated.

A heuristic evaluation is a specific form of a usability inspection that is guided by a list of approximately 10 heuristics.

User surveys evaluate users' satisfaction with an interactive system. In a user survey, users report subjective data into a questionnaire based on their experience of using an interactive system. The usability of a questionnaire is important; for example, the questions in the questionnaire must be easy to understand and the questionnaire must keep users informed of their progress.

User surveys are also used to gather context of use information as part of understanding the context of use.

The context of use is described in user group profiles and personas (who are the users), as-is scenarios (how do users currently do tasks), task models (details about what the tasks are) and user journey maps (how users interact with the interactive system and the organisation providing it).

A user group profile is a generalised description of a collection of users with the same or similar personal characteristics and context of use related to the interactive system.

A persona is a description of a fictitious but realistic user and what he or she intends to do when using the interactive system.

An as-is scenario is a narrative text description of the procedure a specific user currently follows to complete one or more tasks,

A task model is a list of subtasks for each task which the user has to complete to reach their goals. Task models help the design team to design the right solution for each task. User journey maps provide an overview of the touchpoints where users interact with the interactive system and the organisation providing the interactive system. They help stakeholders and user experience professionals understand and optimise the user experience.

The main purpose of personas and as-is scenarios is to identify user needs and make it easier for designers, developers and other stakeholders to understand who the users are, what they do, what their obstacles are, and to facilitate discussions within the design team.

Usability evaluation is a part of the phase: 'Evaluate the design against user requirements'

Usability tests may occur at any time during the human-centred design process, from early analysis through interactive system delivery and beyond. Usability tests may be based on paper sketches or display mock-ups, as well as on interactive systems under design and completed interactive systems.