Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Testability(also: Reliably Human Testable, Machine Testable)
- In the context of accessibility standards, testability refers to the degree to which a guideline or success criterion can be evaluated with consistent, reproducible results — either through automated tools (machine testable) or through human inspection where at least 80% of…
- Theory of Change(also: ToC, Logic Model)
- An explicit articulation of how and why a planned intervention is expected to produce its intended outcomes - typically expressed as a chain linking inputs to activities, outputs, short- and long-term outcomes, and the assumptions connecting each step. A theory of change makes…
- Trust in Automation(also: Automation trust, TiA)
- A human factors construct describing the extent to which a person believes an automated system — a car, aircraft, medical device, AI assistant, or robot — will perform reliably and behave in their interest, typically measured via validated questionnaires such as the Trust in…
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