Glossary

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Video Modelling(also: Video Modeling, Video Self-Modelling)

Video modelling is a teaching strategy that uses video recordings to demonstrate desired behaviours, skills, or social interactions, which the viewer can then observe and imitate. In autism education, video modelling is particularly effective because it leverages the visual…

Video accessibility(also: Accessible video, Video a11y)

The practice of making video content perceivable, operable, and understandable for people with disabilities. This encompasses captions for deaf and hard-of-hearing viewers, audio descriptions for blind users, visual enhancements for low-vision users, and controls that work with…

Video modeling(also: Video-based modeling, Video self-modeling)

An evidence-based instructional strategy that uses video recordings to demonstrate target behaviors, social skills, or task sequences, which the viewer then imitates. For children with autism, video modeling leverages often-strong visual processing abilities to teach social…

Virtual Learning Environment(also: VLE, Learning Management System, LMS)

A web-based platform designed to support teaching and learning by providing tools for content delivery, communication, assessment, and course management. Virtual learning environments typically include features such as discussion forums, assignment submission, gradebooks, and…

Visual Dispersion(also: Visual Attention Splitting, Gaze Switching)

The challenge faced by deaf and hard of hearing individuals when they must divide their visual attention between multiple simultaneous information sources, such as a speech-to-text display, presentation slides, a whiteboard, and the speaker. Unlike hearing individuals who can…

Visual Literacy

The ability to interpret, evaluate, and create visual messages and content. Visual literacy encompasses understanding visual conventions (like color symbolism, composition rules, and typographic hierarchies), evaluating the aesthetic quality and effectiveness of visual…

Visual Schedule(also: Picture Schedule, Activity Schedule)

A visual representation of a sequence of activities or steps that an individual is expected to complete, using pictures, symbols, photographs, or written words arranged in chronological order. Visual schedules are widely used in educational and therapeutic settings for autistic…

Visual Supports(also: Visual Aids, Visual Cues)

Pictures, symbols, photographs, written words, objects, or other visual items used to support communication, learning, and behaviour in individuals with developmental disabilities, particularly autism. Visual supports leverage the strong visual processing abilities common among…

Visual dispersion(also: Visual splitting, Divided visual attention)

The cognitive challenge faced by deaf and hard of hearing people when they must simultaneously monitor multiple visual information sources, such as an instructor, presentation slides, a sign language interpreter or captions, and their own notes. Because deaf individuals receive…

Visual guidance(also: Visual cueing, Visual highlighting)

Assistive techniques that direct a user's visual attention to relevant content through highlights, outlines, magnification, or other visual cues. For people with low vision, visual guidance systems can compensate for reduced visual acuity or restricted visual fields by making…

Visualization Literacy(also: Data Visualization Literacy, Graphical Literacy, Graph Literacy)

The ability to read, interpret, and extract meaningful insights from visual data representations such as charts, graphs, maps, and infographics. Visualization literacy encompasses skills like identifying trends, making comparisons, understanding scales and axes, and critically…

Vocational Training(also: Vocational Education, Job Training, Occupational Training)

Vocational training is education focused on developing practical skills and knowledge required for specific occupations or trades. In accessibility contexts, vocational training for people with disabilities is a critical pathway to economic independence and social inclusion, yet…

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