Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Caption quality metric(also: ACE metric, Caption evaluation metric)
- A measure designed to predict how understandable automatically generated captions are for Deaf and Hard-of-Hearing users, as an alternative to standard Word Error Rate which correlates poorly with actual DHH comprehension. The Automatic Caption Evaluation (ACE) metric combines…
- Cloze Test(also: Cloze Procedure, Cloze Deletion Test)
- A reading comprehension assessment method in which words are systematically deleted from a text and the reader must fill in the missing words based on context. Developed by Wilson Taylor in 1953, cloze tests measure how well a reader understands the language patterns and meaning…
- Cognitive Walkthrough(also: Expert Walkthrough)
- An accessibility and usability evaluation method in which one or more experts step through a series of tasks from the perspective of a target user, identifying potential barriers and difficulties at each step. In accessibility evaluations, cognitive walkthroughs often involve…
- Cross-syndrome comparison(also: Cross-disability comparison)
- A research methodology that evaluates a technology or intervention with participants from multiple disability groups to determine whether findings and design principles generalize across conditions. Cross-syndrome comparisons are important because assistive technologies designed…
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