Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Authority Building(also: Credibility Establishment, Trust Building)
- The strategies used by content creators and platforms to establish trustworthiness and expertise, particularly for health-related and disability-related content. Authority building techniques include disclosing professional credentials, citing authoritative sources, displaying…
- Collective Quality Control(also: Community Quality Control, Crowdsourced Quality Assessment)
- The process by which online communities collectively monitor, assess, and improve the quality of shared content through comments, ratings, corrections, and supplementary information. In disability communities on video platforms, collective quality control manifests as viewers…
- Content Quality(also: Information Quality)
- The accuracy, reliability, completeness, and trustworthiness of information presented in digital content. For health-related and disability-related content on social media and video platforms, content quality is a critical concern because misinformation can lead to harmful…
- Disclaimer(also: Content Disclaimer, Health Disclaimer)
- A statement accompanying content that clarifies its limitations, purpose, or the credentials of its creator. In health and disability content on social media, disclaimers typically indicate that content is not medical advice, reflects personal experience only, or should not…
- Guided Incremental Search(also: Step-by-Step Search, Faceted Browsing)
- A web navigation pattern in which users are led through a series of small, sequential choices — such as selecting categories, subcategories, and filters — to progressively narrow search results toward a target. While this approach reduces the cognitive demand of each individual…
- Health Misinformation(also: Medical Misinformation, Health Disinformation)
- False or misleading health-related information that is spread regardless of intent to deceive. On social media and video platforms, health misinformation about conditions like ADHD can include inaccurate symptom descriptions, unproven treatments, misleading diagnostic criteria,…
- Information Foraging(also: Information Foraging Theory)
- A theoretical framework from cognitive science that models how people search for and navigate to information, drawing an analogy to animal foraging behaviour. Users assess "information scent" — cues like link text, headings, and page structure — to decide whether to continue…
- Information Quality(also: IQ, Data Quality)
- A measure of how well information meets the needs of its consumers, encompassing dimensions such as accuracy, completeness, currency, relevance, and reliability. In accessibility and disability contexts, information quality on digital platforms is critical because people with…
- Intermedia(also: Intermedia Representation)
- Intermedia refers to a framework for information representation that supports diverse, adaptable, and flexible presentation modes, allowing the same content to be accessed through multiple alternative forms suited to individual needs and capabilities. Unlike multimedia (which…
- Key Performance Indicator(also: KPI)
- A quantifiable metric used to evaluate the success of an activity, process, or organization against defined objectives. In dashboards, KPIs are typically displayed as prominent single numbers or summary statistics (e.g., Total Sales, Average Revenue, Customer Count) that provide…
- Knowledge Base(also: KB, FAQ Database)
- A knowledge base is a structured repository of information — typically questions, answers, articles, or how-to guides — that can be searched and browsed to find solutions to problems. In accessibility contexts, knowledge bases serve as important support tools for people with…
- QR Code(also: Quick Response Code)
- A two-dimensional barcode that encodes information such as text, URLs, or other data in a square matrix of black and white modules. In accessibility contexts, QR codes serve as a bridge between physical objects and digital information — they can be placed on tactile graphics to…
- Visual Information Seeking Mantra(also: Overview First, Shneiderman's Mantra)
- A design principle for information visualisation coined by Ben Shneiderman, summarised as "overview first, zoom and filter, then details-on-demand." The mantra describes an optimal pattern for presenting complex information: start with a broad overview so users can orient…
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