Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- EARL(also: Evaluation and Report Language)
- A machine-readable format developed by the W3C for expressing the results of accessibility evaluations in a standardized way. EARL uses RDF (Resource Description Framework) to describe test results including the outcome (pass, fail, cannot tell, inapplicable, untested), the test…
- Element Detection(also: UI Element Detection, Widget Detection, Object Detection)
- The task of automatically identifying the locations and types of user interface components (such as buttons, text fields, images, and checkboxes) from a screenshot using computer vision models. Element detection is important for accessibility because it can identify interactive…
- 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 evaluator effect refers to the phenomenon where different accessibility evaluators identify different sets of problems when assessing the same website, leading to variability in evaluation results. This effect has been documented in both expert reviews and user testing,…
- 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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