Glossary

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Behavior Rehearsal(also: Behavioral Rehearsal)

Behavior rehearsal is a structured practice technique, introduced by Brownsmith in behavioural psychology and widely used in social-skills training, in which a learner repeatedly practises a target behaviour in simulated scenarios with teacher or therapist guidance and feedback…

Collaborative Play(also: Cooperative Play)

Play in which two or more people work together toward a shared goal, coordinating their actions, attention, and turns rather than competing or playing in parallel. Collaborative play is a common vehicle for building social skills - imitation, joint attention, turn-taking, and…

Developmental Delay(also: Developmental Disability, Global Developmental Delay)

A condition in which a child does not reach developmental milestones — such as motor skills, speech, social skills, or cognitive abilities — at the expected ages. Developmental delay may affect one or multiple areas of development and can be caused by genetic conditions,…

IDEIA(also: Individuals with Disabilities Education Improvement Act, IDEA 2004)

The Individuals with Disabilities Education Improvement Act of 2004, which reauthorized and amended the original IDEA legislation. IDEIA strengthened requirements for highly qualified special education teachers, expanded early intervention services, and updated provisions for…

Imitation(also: Embodied Imitation)

The act of observing and reproducing another person's actions, gestures, or vocalisations. Imitation is a foundational social and developmental skill that supports language acquisition, motor learning, and the establishment of shared experience between a child and a caregiver or…

Itinerant Teacher(also: Traveling Teacher, Itinerant TVI)

A special education teacher who travels between multiple schools to provide services to students with disabilities, rather than being based at a single location. In the context of visual impairment services, itinerant TVIs (Teachers of students with Visual Impairments) typically…

Power Cards

Power Cards are a visual teaching strategy developed by Elisa Gagnon for autistic learners and others with social-communication differences. A Power Card is a small, portable card that pairs a brief scenario about a child's special interest (such as a favourite character) with a…

Social Engagement(also: Social Participation)

The active involvement of a person in social interaction with others - making eye contact, attending to a partner, taking turns, responding to bids for attention, and sustaining shared activity. Social engagement is a foundation for communication and peer interaction, and…

VB-MAPP(also: Verbal Behavior Milestones Assessment and Placement Program)

The VB-MAPP (Verbal Behavior Milestones Assessment and Placement Program), developed by Mark Sundberg, is a criterion-referenced assessment and curriculum-planning tool for children with autism and other developmental disabilities. Grounded in Skinner's analysis of verbal…

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