Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Decision Confidence
- A reframing of accessibility as whether a user can judge product suitability, transaction risk, and information trustworthiness well enough to act independently — introduced by Ryskeldiev et al. (2026) in the context of blind and low-vision e-commerce. Where WCAG conformance…
- Discriminative Ability(also: Discriminative ability of a metric, Discriminability)
- In accessibility research methodology, the property of an evaluation metric to reveal statistically significant differences between stimuli that are known to differ along the dimension being measured. For example, a comprehension-question metric has discriminative ability for…
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