Usability
Usability
Usability (pronounced yoo-zuh-bil-i-tee) is a term used in the field of Human-Computer Interaction to describe the ease with which a user can learn to operate, prepare inputs for, and interpret outputs of a system or component.
Etymology
The term "usability" comes from the English word "usable" meaning 'able to be used'. It was first used in the context of Computer Science and Human-Computer Interaction in the late 20th century.
Definition
Usability refers to the quality of a system that makes it easy to learn, easy to use, and encouraging to users. High usability means that the user can effectively achieve their goal with satisfaction and efficiency. Usability is often linked with User Experience Design, User Interface Design, and Interaction Design.
Related Terms
- User Experience (UX): The overall experience a user has with a product or service, which includes the usability of the system.
- User Interface (UI): The space where interactions between humans and machines occur, with a focus on efficiency and intuitive use.
- Interaction Design: The design of the interaction between users and products, often aiming to create meaningful relationships between people and their products.
- Human-Computer Interaction: The study and practice of usability in this field is about understanding and creating software and other technology that people will want to use, will be able to use, and will find effective when used.
External links
- Medical encyclopedia article on Usability
- Wikipedia's article - Usability
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