Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Inattentional Blindness(also: Perceptual Blindness)
- Inattentional blindness is the failure to notice a fully visible but unexpected object or feature when attention is directed elsewhere. It is distinct from change blindness (failure to notice a change between two views): inattentional blindness is about missing something that…
- Inhibitory Control(also: Response Inhibition, Impulse Control)
- The executive function that enables a person to suppress automatic or impulsive responses in favor of more appropriate, goal-directed behavior. Inhibitory control is essential for tasks requiring sustained focus, turn-taking, and resisting distractions. It is commonly affected…
- Interaction with Disabled Persons Scale(also: IDP Scale, IDP)
- A standardized 20-item attitudinal instrument developed by Gething and Wheeler (1992) and later validated by Forlin, Fogarty, and Caroll (1999), designed to measure both desirable and undesirable emotions that people experience when interacting with individuals who have…
- Intrinsic Motivation
- Intrinsic motivation refers to engaging in an activity for its inherent satisfaction rather than for external rewards or consequences. In accessibility and inclusive design, understanding intrinsic motivation is crucial for creating technologies that people genuinely want to…
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