Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Reaching Time(also: Navigation Time, Time to Target)
- A usability metric measuring the time required for a user to navigate to a specific element on a web page. For blind users employing screen readers, reaching time is a key indicator of page navigability and efficiency, as it captures the cumulative cost of navigating through and…
- Response Time(also: Reaction Time, Tact)
- The time elapsed between the presentation of a stimulus and the user's physical response, typically measured in milliseconds. In scanning-based AAC, response time (often called Tact) is the interval between when an item is highlighted and when the user activates the switch.…
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