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Glossary

Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.

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Inclusive Co-Design(also: Inclusive Participatory Design)
A design methodology that ensures people from typically marginalized groups, including people with intellectual disabilities, are meaningfully included throughout the technology design process as equals rather than subjects. Inclusive co-design adapts traditional participatory…
Inclusive Design(also: Inclusive Design Methodology)
A design methodology that considers the full range of human diversity from the outset of the design process, including ability, language, culture, gender, and age. Inclusive design differs from accessibility retrofitting in that it incorporates diverse needs as core design…
Inclusive avatar(also: Disability-representative avatar)
A digital self-representation in virtual environments that includes disability signifiers such as wheelchairs, prosthetics, hearing aids, canes, or visual metaphors for invisible conditions. Inclusive avatars enable disabled users to express their identity in virtual spaces and…
Information chunking(also: Chunking)
The practice of organizing information into smaller, manageable groups or segments to reduce cognitive load and improve comprehension and retention. Rooted in cognitive psychology research on working memory limitations, chunking is essential for accessible content design —…
Instructional design(also: Learning design)
The systematic process of creating educational or instructional materials and experiences that facilitate effective learning and task completion. In accessibility, instructional design principles ensure that tutorials, product manuals, help documentation, and learning materials…
Intentional Sensory Stimulation
A design approach for technology that deliberately leverages optimal sensory modes — visual, auditory, haptic, or multimodal — to facilitate comprehension and engagement, rather than simply reducing interface complexity. Introduced in the context of dementia accessibility…
Interaction metaphor
A conceptual mapping that allows users to understand and interact with a digital interface by drawing on familiar experiences or mental models. Common examples include the desktop metaphor (files, folders, trash can), direct manipulation (dragging objects), and the page metaphor…
Intrinsic accessibility
A property of a user interface whose underlying architecture inherently supports adaptation across a broad range of user capabilities, as distinct from functional accessibility which addresses specific user profiles through bolt-on assistive technology. An intrinsically…

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