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usability

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Also known as useability, product usability, easy-to-use, user-friendly, user-friendliness, ease of use, userfriendliness, intuitiveness

Usability or user-friendliness can be described as the capacity of a system to provide a condition for its users to perform the tasks safely, effectively, and efficiently while enjoying the experience. In software engineering, usability is the degree to which a software can be used by specified consumers to achieve quantified objectives with effectiveness, efficiency, and satisfaction in a quantified context of use.

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Usability
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~44 min read

Article

55 sections
Contents
  • Introduction
  • Definition
  • Intuitive interaction or intuitive use
  • ISO standards
  • ISO/TR 16982:2002 standard
  • ISO 9241 standard
  • IEC 62366
  • Designing for usability
  • Early focus on users and tasks
  • Empirical measurement
  • Iterative design
  • Evaluation methods
  • Cognitive modeling methods
  • Parallel design
  • GOMS
  • Human processor model
  • Keystroke level modeling
  • Inspection methods
  • Card sorts
  • Tree tests
  • Ethnography
  • Heuristic evaluation
  • Usability inspection
  • Pluralistic inspection
  • Consistency inspection
  • Activity Analysis
  • Inquiry methods
  • Task analysis
  • Focus groups
  • Questionnaires/surveys
  • Prototyping methods
  • The Tool Kit Approach
  • The Parts Kit Approach
  • Animation Language Metaphor
  • Rapid prototyping
  • Testing methods
  • Metrics
  • Remote usability testing
  • Remote usability testing for mobile devices
  • Thinking aloud
  • RITE method
  • Subjects-in-tandem or co-discovery
  • Component-based usability testing
  • Other methods
  • Cognitive walkthrough
  • Benchmarking
  • Meta-analysis
  • Persona
  • Benefits
  • Corporate integration
  • Professional development
  • See also
  • References
  • Further reading
  • External links

Usability or user-friendliness can be described as the capacity of a system to provide a condition for its users to perform the tasks safely, effectively, and efficiently while enjoying the experience. In software engineering, usability is the degree to which a software can be used by specified consumers to achieve quantified objectives with effectiveness, efficiency, and satisfaction in a quantified context of use.

The object of use can be a software application, website, book, tool, machine, process, vehicle, or anything a human interacts with. A usability study may be conducted as a primary job function by a usability analyst or as a secondary job function by designers, technical writers, marketing personnel, and others. It is widely used in consumer electronics, communication, and knowledge transfer objects (such as a cookbook, a document or online help) and mechanical objects such as a door handle or a hammer.

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