Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Perseveration(also: Perseverative Behavior)
- The uncontrolled repetition of a response, word, phrase, or action that persists beyond the appropriate context. In people with cognitive impairments such as dementia, brain injury, or certain developmental disabilities, perseveration can manifest as repeatedly pressing the same…
- Planning Fallacy
- A well-documented cognitive bias, identified by Kahneman and Tversky and elaborated by Buehler and colleagues, in which people systematically underestimate how long their own tasks will take and overestimate how much they can finish, even when they have direct evidence that…
- Prosociality(also: Prosocial Behavior, Prosocial Behaviour)
- Prosociality refers to voluntary behaviour intended to benefit others, including helping, sharing, comforting, and cooperating. In accessibility and dementia research, prosocial acts observed during group activities - passing a card so a peer can see it, a reassuring touch on…
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