Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Age-related Differences(also: Age Effects, Generational Differences)
- The systematic variations in technology use, learning strategies, and task performance that occur across different age groups. Research consistently shows older adults take 1.5 to 2 times longer than younger adults on technology tasks even when achieving equal accuracy, due to…
- Attention Tunneling(also: Visual Tunneling, Attentional Tunneling, Cognitive Tunneling)
- A phenomenon in which a user concentrates so narrowly on a primary information source - typically a visual overlay, head-up display, or instrument - that they fail to notice relevant events, objects, or hazards in their surrounding environment. In augmented and mixed reality,…
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