Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- UEQ-S(also: User Experience Questionnaire - Short, Short UEQ)
- UEQ-S is an eight-item short version of the User Experience Questionnaire, a standardised survey instrument that measures subjective user experience on a 7-point semantic-differential scale. It captures two broad factors: pragmatic quality (supportive, easy, efficient, clear)…
- Usability(also: Ease of Use)
- Usability is the extent to which a product, system, or service can be used by specified users to achieve specified goals with effectiveness, efficiency, and satisfaction in a specified context of use, as defined by ISO 9241-11. It goes beyond mere accessibility compliance to…
- Usability Testing(also: Usability Evaluation, User Testing)
- A research method in which representative users attempt realistic tasks with a product or prototype while researchers observe and collect data on effectiveness, efficiency, and satisfaction. In accessibility contexts, usability testing with people with disabilities is essential…
- Usage analytics(also: Telemetry, Interaction logging)
- The collection and analysis of data about how users interact with a technology system in real-world settings, including session duration, feature usage frequency, settings preferences, and interaction patterns over time. In assistive technology research, large-scale usage…
- User Engagement Scale(also: UES, UES-SF)
- A validated self-report questionnaire for measuring user engagement with digital systems across dimensions including focused attention, perceived usability, aesthetic appeal, and reward. Developed by O'Brien and Toms and later shortened to the 12-item UES Short Form (UES-SF),…
- User Experience(also: UX)
- A person's perceptions and responses resulting from the use or anticipated use of a product, system, or service, encompassing emotions, beliefs, preferences, physical and psychological responses, and behaviours. Defined by ISO 9241-210, user experience goes beyond usability…
- User Experience Questionnaire(also: UEQ, UEQ-S, Short UEQ)
- A standardised self-report instrument, developed by Schrepp and colleagues, that captures a user's subjective impression of a product across dimensions such as attractiveness, efficiency, perspicuity, dependability, stimulation, and novelty via pairs of contrasting adjectives…
- User Study(also: Usability Study, User Evaluation)
- A research method in which participants interact with a system, tool, or interface while researchers observe, measure, and collect feedback on the user experience. User studies in accessibility research are essential for evaluating whether technologies actually meet the needs of…
- User Testing(also: User Evaluation, End-User Testing)
- A research method in which representative users perform tasks with a product or system while evaluators observe, record, and analyze their behavior. In accessibility contexts, user testing with people with disabilities is considered essential because it reveals real-world…
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