Glossary
Searchable terminology from accessibility, web standards, and related fields.
6660 terms — page 243 of 333
- Responsibility OCD (Checking OCD, Responsibility Obsessions)
- A subtype of OCD characterized by an exaggerated sense of responsibility for preventing harm or negative outcomes, accompanied by compulsive checking behaviors. People with responsibility OCD may repe…
- Responsive Design (Responsive Web Design, RWD, Mobile First Design)
- A web design approach in which layouts, images, and other content elements adapt fluidly to the size and capabilities of the user's device, providing an optimal viewing experience across desktops, tab…
- Restorative Environment (Restorative Setting)
- An environment—physical or virtual—that promotes psychological recovery from mental fatigue and stress. Based on Attention Restoration Theory, restorative environments typically feature natural elemen…
- Restricted Field of View (Tunnel Vision, Peripheral Vision Loss, Visual Field Loss)
- A condition in which the area of the visual environment that a person can see at any given moment is significantly reduced, often described as looking through a tunnel or a narrow tube. Restricted fie…
- Restricted Interest (Circumscribed Interest, Perseverative Interest, Fixated Interest)
- An intense, narrow focus on specific topics, objects, or activities that is characteristic of autism spectrum disorder. Restricted interests can range from common subjects like trains, maps, or specif…
- Restricted Interests (Circumscribed Interests, Special Interests, Focused Interests)
- A characteristic of autism spectrum disorder where individuals develop intense, narrowly focused interests in specific topics, objects, or activities. These interests may be unusual in their subject m…
- Retinitis Pigmentosa (RP)
- A group of inherited genetic disorders that cause progressive degeneration of the retina, typically beginning with loss of night vision and peripheral vision and potentially leading to tunnel vision o…
- Retinitis Pigmentosa (RP, Retina Pigmentosa, Rod-Cone Dystrophy)
- A group of inherited genetic disorders that cause progressive degeneration of the retina, leading to gradual vision loss. Initial symptoms typically include difficulty seeing in low light (night blind…
- Retinitis pigmentosa (RP)
- A group of inherited genetic disorders that cause progressive degeneration of the retina, typically beginning with loss of night vision and peripheral vision and gradually narrowing the visual field (…
- Retinopathy (Diabetic Retinopathy, Retinal Disease)
- A group of eye conditions affecting the retina that can cause vision loss or blindness. Diabetic retinopathy, caused by damage to blood vessels in the retina due to diabetes, is one of the leading cau…
- Retinopathy of Prematurity (ROP)
- An eye condition that can occur in premature infants when abnormal blood vessels grow in the retina. In severe cases, these vessels can cause scarring, retinal detachment, and significant vision loss …
- Retrieval-Augmented Generation (RAG)
- An AI technique that enhances the responses of large language models (LLMs) by first retrieving relevant information from an external knowledge base or document collection, then providing that informa…
- Retrofit Accessibility (Accessibility Retrofitting, Bolt-On Accessibility)
- The practice of adding accessibility features to a product, system, or interface after it has already been designed and built for non-disabled users. Retrofit accessibility often results in suboptimal…
- Retrospective Protocol (Retrospective Think Aloud, Retrospective Verbal Protocol, Post-Task Protocol)
- A usability evaluation method in which participants complete tasks first and then describe their thought processes, decisions, and experiences immediately afterwards, rather than verbalising concurren…
- Rett Syndrome (RTT)
- A rare, X-linked neurodevelopmental disorder caused in most cases by mutations in the MECP2 gene, affecting almost exclusively females. After typical early development, children with Rett syndrome los…
- Revenge Bedtime Procrastination (Revenge Procrastination)
- The deliberate delay of sleep without external factors forcing the delay, in order to reclaim personal time lost during a busy or low-autonomy day. The "revenge" framing points to reclaiming agency ov…
- Reverse Dictionary (Sign-to-English Dictionary, ASL-to-English Dictionary)
- A dictionary tool that allows users to search for the meaning of a sign language sign by inputting its visual or linguistic properties — such as handshape, location, movement, and orientation — rather…
- Reverse Inclusion
- A design approach that begins with the lived experience and needs of a person with a disability and then expands the design outward to include broader social circles and communities. Reverse inclusion…
- Reverse Privacy Paradox
- The reverse privacy paradox is a pattern, described by Zhang and colleagues in research on LLM-based conversational agents, in which users appear to disregard privacy concerns in the moment of use whi…
- Revocable Consent (Withdrawable Consent)
- A consent pattern in which the user can withdraw their previously granted permission at any time, typically through a persistent, discoverable UI control that immediately halts data processing and tri…