Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Failure Rate(also: FR (accessibility metric))
- An accessibility metric introduced by Sullivan and Matson (2000) that, for a given page and a given checkpoint, divides the number of checkpoint violations found by the maximum number of violations that could have occurred on that page. Failure Rate produces a normalised value…
- Flesch-Kincaid Grade Level(also: Flesch-Kincaid, FKGL, Flesch-Kincaid readability)
- A readability formula that estimates the U.S. school grade level required to comfortably read a given English text, based on average sentence length and average syllables per word. Developed for the U.S. Navy in 1975 by Rudolf Flesch and J. Peter Kincaid, the formula is widely…
- Fluency(also: Text fluency, Grammatical fluency)
- In natural language processing and text simplification, fluency is the degree to which a piece of text is grammatically correct and reads naturally in the target language. It is one of three standard evaluation dimensions for automatic text simplification alongside complexity…
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