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Introduction to concepts (definitions) - Coggle Diagram
Introduction to concepts (definitions)
Definitions of USABILITY
ISO definition
the extent to which a product an be used by specified users to achieve specified goals with effectiveness, efficiency and satisfaction in a specified context.
satisfaction
the freedom from discomfort and positive attitude towards the
effectiveness
the amount of accuracy and completeness with which users achieve their goals.
efficiency
the amount of resources expended relative to effectiveness with which users achieve their goals
Nielsen's Definition of Usability
Usability is a quality attribute that assess how easy UIs are to use
Memorability
Errors
Efficiency
Satisfaction
Learnability
Interaction Design foundation- Definition of usability
Usability is part of the broader term UX
The ease of access or use of a product
A design's usability depends on the features and the context of the user
Definitions of UX
A person’s perceptions and responses resulting from the use and or anticipated use of a product, system, or service.
HCI
ISO Definition
Scientific Discipline
concerned with
understanding of interactions among
human
& other elements of a system
User Interface
ISO definition
All components of an interactive system(software and hardware) that provide info and controls
&controls for user to accomplish specific tasks with interactive system
What makes good interaction?
goes beyond intuition and aesthetics
Usability is a science
Usability Principles
User view is different to system engineer's view
linked to mental model vs conceptual model
computers and people are better at some tasks than others(better at different tasks
Ease of Use