Glossary

Searchable terminology from accessibility, web standards, and related fields.

11 results found in research.

Activity Theory
A conceptual framework originating in Soviet psychology (Vygotsky, Leont'ev) and widely applied in HCI, which analyses human action as goal-directed activity mediated by tools, rules, community, and d…
Collaborative Ideation (Group brainstorming, Co-ideation)
The joint process by which a group generates, refines, clusters, and converges on ideas, typically alternating between divergent and convergent thinking. Collaborative ideation is a cornerstone of des…
DementiaBank
A shared database of multimedia interactions for the study of communication in dementia, maintained as part of the TalkBank system. DementiaBank contains longitudinal recordings of people with Alzheim…
Evaluator Effect
The phenomenon in accessibility and usability evaluation where different evaluators examining the same interface detect different sets of problems and may reach different conclusions about the same is…
Fitts' Law (Fitts Law)
A predictive model of human movement in human-computer interaction that states the time required to move to a target area is a function of the distance to the target and the size of the target. Specif…
Fleiss's Kappa (Fleiss Kappa)
A statistical measure of inter-rater reliability for categorical ratings assigned by three or more raters, extending Cohen's Kappa beyond the two-rater case. In accessibility research, Fleiss's Kappa …
Music Information Retrieval (MIR)
An interdisciplinary field focused on extracting, analyzing, and organizing information from music data. Music information retrieval encompasses tasks like automatic transcription, genre classificatio…
SIGACCESS (ACM SIGACCESS, SIGCAPH, Special Interest Group on Accessible Computing)
The ACM Special Interest Group on Accessible Computing, the primary professional organization within ACM dedicated to accessibility research. Originally founded as SIGCAPH (Special Interest Group on C…
SLPAT (Speech and Language Processing for Assistive Technologies)
A special interest group jointly supported by the Association for Computational Linguistics (ACL) and the International Speech Communication Association (ISCA), focused on speech and language technolo…
Trace R&D Center (Trace Center, Trace Research and Development Center)
A pioneering research center focused on accessibility and assistive technology, originally established at the University of Wisconsin-Madison in 1971 and later affiliated with the University of Maryla…
WebAIM Million (WebAIM Million Report, The WebAIM Million)
An annual accessibility evaluation study conducted by WebAIM (Web Accessibility In Mind) that automatically tests the home pages of the top one million websites against WCAG 2 success criteria. The st…