Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Design-Based Research(also: DBR)
- A collaborative, iterative research methodology used in education and human-computer interaction that develops theory and refines interventions through cycles of design, implementation, evaluation, and redesign in authentic real-world settings. DBR involves practitioners and…
- Distance Education(also: Distance Learning, Long Distance Education, Remote Education)
- A mode of education in which learners and instructors are physically separated, with teaching and learning mediated through communication technologies rather than face-to-face contact. Distance education predates the internet, historically using mail, radio, and television, but…
- Dual User Interface(also: Dual Interface, Concurrent Accessible Interface)
- An interface design approach in which two distinct, purpose-built user interfaces are provided simultaneously for different user groups — typically one visual interface for sighted users and one non-visual interface for blind or visually impaired users. Unlike screen reader…
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