Glossary

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Universal Access Reference Model(also: UARM)

A conceptual framework for understanding and addressing the full range of user needs in information and communication technology. The Universal Access Reference Model provides a structured approach to identifying and removing barriers to accessibility by modelling the…

Usability Engineering

A systematic, structured approach to designing and evaluating user interfaces that applies engineering principles to usability. Usability engineering involves defining measurable usability goals, conducting user analysis, iterative prototyping, and empirical testing with…

User Empowerment(also: Design for User Empowerment)

A design philosophy that prioritizes giving users, particularly people with disabilities, the agency and tools to solve their own problems, customize their experiences, and participate as active creators rather than passive consumers of technology. Coined in accessibility…

User Sensitive Inclusive Design(also: USID)

A design methodology proposed as an alternative to User Centred Design for populations with highly diverse and dynamically changing needs, particularly older people. User Sensitive Inclusive Design replaces "centred" with "sensitive" to acknowledge that it may be impossible to…

User-Centred Design(also: UCD, User-Centered Design, Human-Centred Design)

An iterative design methodology that places the needs, characteristics, and limitations of end users at the centre of each stage of the design process. In accessibility, user-centred design involves people with disabilities as active participants throughout design and…

User-System Model(also: User-System Interaction Model)

A conceptual model that describes the relationship between a user and the technology system they interact with, taking into account the user's abilities, preferences, and needs alongside the system's capabilities, interfaces, and constraints. In accessibility engineering,…

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