Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Valence-Arousal Model(also: VA Model, Circumplex Model, Valence-Arousal Space)
- A two-dimensional model of affect, introduced by Russell (1980), that represents emotional states along two orthogonal axes: valence (pleasant versus unpleasant) and arousal (activated versus deactivated). Emotions such as cheerful, tense, calm, and sad map to the four quadrants…
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