Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- End-User Auditing(also: User-Led Auditing, End User Audits)
- An approach to AI auditing in which everyday users — rather than professional evaluators — identify problems, biases, or harms in AI outputs based on their lived experience. End-user auditing is particularly valuable for surfacing harms against minoritised communities (including…
- Equal Error Rate(also: EER, Crossover Error Rate)
- A metric used to evaluate biometric system performance, representing the point at which the false acceptance rate (wrongly accepting unauthorized users) equals the false rejection rate (wrongly rejecting authorized users). Lower EER values indicate better system accuracy. In…
- Evaluation Reliability(also: Inter-rater Reliability, Evaluator Agreement)
- The extent to which independent accessibility evaluations of the same content produce consistent results. High reliability means that different evaluators using the same method will identify similar sets of accessibility problems, while low reliability indicates that results…
- Evaluator Effect
- The phenomenon in accessibility and usability evaluation where different evaluators examining the same interface detect different sets of problems and may reach different conclusions about the same issues. The evaluator effect means that no single evaluation can achieve 100%…
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