Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Character Recognition
- In the context of reading and cognitive accessibility, character recognition refers to the ability to correctly identify and distinguish individual letters and numbers. People with dyslexia often experience character recognition difficulties, confusing visually similar…
- Character Spacing(also: Letter Spacing, Tracking)
- The horizontal space between individual characters in a line of text. Research has shown that increasing character spacing significantly improves reading speed and accuracy for people with dyslexia. This effect is attributed to reduced visual crowding — the phenomenon where…
- 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…
- Concurrent Speech(also: Simultaneous Speech, Parallel Audio)
- The presentation of multiple audio streams simultaneously, leveraging the human ability to selectively attend to one stream while monitoring others — known as the cocktail party effect. In accessibility research, concurrent speech has been explored as a way to help blind users…
- Content Simplification(also: Content-Level Simplification)
- Simplification approaches that modify the actual informational content of text, including summarization, removal of non-essential details, and restructuring of information presentation. Content simplification goes beyond lexical and syntactic simplification (which preserve all…
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