Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Minimum String Distance(also: MSD, Edit Distance, Levenshtein Distance)
- A metric for measuring text entry accuracy by calculating the minimum number of single-character insertions, deletions, and substitutions needed to transform the transcribed text into the intended text. In text entry research, the MSD error rate is typically expressed as a…
- MultiTap(also: Multi-Tap)
- A standard text-entry method used on mobile phone keypads where groups of three or four letters are assigned to each numeric key, and users press the key consecutively to cycle through the available letters. For example, pressing the "2" key once produces "a," twice produces…
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