Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Semi-Automatic Wizard-of-Oz(also: Semi-Automatic WoZ)
- A hybrid Wizard-of-Oz study methodology in which part of a prototype system is implemented with real automation while a human researcher (the 'wizard') intervenes only for components that are not yet reliable enough to run autonomously. For example, an AI agent may generate…
- Single Ease Question(also: SEQ)
- A post-task usability metric consisting of a single 7-point rating scale question asking users how easy or difficult a task was to complete. The SEQ is widely used in usability studies because it is quick to administer, easy for participants to understand, and provides reliable…
- Social Desirability Bias(also: Impression Management)
- A type of response bias where participants answer questions in a manner they believe will be viewed favorably by others rather than responding truthfully. In accessibility research contexts, this can manifest when participants with disabilities provide positive ratings to appear…
- System Usability Scale(also: SUS)
- A widely used, standardized questionnaire consisting of 10 items that measures perceived usability of a system. Developed by John Brooke in 1986, SUS provides a "quick and dirty" reliable measure of usability. Each item uses a 5-point Likert scale, and the final score ranges…
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