Glossary
Searchable terminology from accessibility, web standards, and related fields.
37 results found in Accessibility Research.
- Nature Relatedness (Nature Relatedness Scale, NRS, Nature Connectedness)
- A psychological construct describing the strength of a person's affective, cognitive, and experiential connection to the natural world. It is most often measured with the 21-item Nature Relatedness Sc…
- Online Focus Group (Virtual Focus Group, Remote Focus Group)
- A qualitative research method in which a group of participants discusses a topic through an online platform rather than meeting in person. Online focus groups are particularly valuable for accessibili…
- PRISMA-ScR (PRISMA Extension for Scoping Reviews)
- PRISMA-ScR is the Preferred Reporting Items for Systematic reviews and Meta-Analyses extension for Scoping Reviews - a 20-item checklist and flow diagram that standardises how scoping reviews are repo…
- Part of Speech (POS, Word Class, POS Tag)
- A grammatical category assigned to each word (or, in signed languages, each sign) in a sentence — such as noun, verb, adjective, adverb, pronoun, preposition, or conjunction. Automatic part-of-speech …
- Perceptual Integration (Perceptual Binding)
- The process by which the brain combines information arriving through different sensory channels — vision, hearing, touch, proprioception — into a single coherent percept of an object or event. Percept…
- Pronominal Reference (Pronoun Reference, Anaphoric Reference)
- The use of pronouns or pronoun-like expressions to refer back to entities previously introduced in a discourse. In spoken and written languages this is typically achieved with words such as "he," "she…
- Pseudo-participation (Pseudo-participation by Design)
- A term coined by Palacin et al. (2020) to describe forms of user involvement in design that appear participatory on the surface but grant participants limited power to shape outcomes. In accessibility…
- Psycholinguistics
- The scientific study of the cognitive and neural processes that underlie the production, comprehension, and acquisition of language. Psycholinguistic research measures phenomena such as reading and si…
- Reflexivity (Researcher Reflexivity)
- A research practice in which scholars continuously examine how their own identities, positions, assumptions, disciplinary training, and power relationships shape the research they conduct — the questi…
- Sense of Control (Perceived control, Locus of control (task-level))
- A psychological construct describing a user's subjective feeling of agency over what a system does, distinct from objective control measures such as available options or task-completion rates. In acce…
- Sign Language Corpus (ASL Corpus, Signed Language Corpus)
- A structured collection of recorded signed-language performances — typically video, and increasingly motion-capture data — annotated by expert signers with time-stamped linguistic information such as …
- Syntactic Parse Tree (Parse Tree, Syntactic Tree)
- A tree-shaped data structure that represents the grammatical structure of a sentence according to a formal grammar. Internal nodes correspond to phrases (noun phrase, verb phrase, clause, sentence) an…
- Systematic Review (Systematic Literature Review)
- A systematic review is a rigorous, reproducible synthesis of research on a narrowly-defined question, using a pre-registered protocol, exhaustive database search, explicit inclusion and exclusion crit…
- Theory of Change (ToC, Logic Model)
- An explicit articulation of how and why a planned intervention is expected to produce its intended outcomes - typically expressed as a chain linking inputs to activities, outputs, short- and long-term…
- Unity Assumption
- A concept from multisensory-perception research (Welch and Warren, 1980; Welch, 1999) describing the observer's implicit judgement that signals arriving through different senses originate from the sam…
- User Interface Agent (Interface Agent, Software Agent, Assistant Agent)
- A software component that observes user behaviour and the state of an application, then unobtrusively offers help — suggestions, shortcuts, summaries, or warnings — to reduce workload or prevent error…
- VLAT (Visualization Literacy Assessment Test)
- A standardized 53-item test developed by Lee, Kim, and Kwon to measure a person's ability to read and interpret data visualizations across 12 chart types. Widely used as a baseline for comparing visua…