Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Gait Analysis(also: Gait Assessment, Walking Analysis)
- The systematic study of human locomotion using observation, measurement, and analysis of body mechanics during walking. Gait analysis measures parameters such as stride length, step duration, joint angles, stance and swing phase timing, and symmetry between left and right legs.…
- Game-Based Assessment(also: Gamified assessment, Serious-game assessment)
- The use of purpose-built games or playful interactive experiences to measure cognitive, behavioral, or skill-based constructs that would traditionally be assessed through structured tests or questionnaires. Game-based assessments embed validated task parameters (e.g.,…
- Goldmann Perimetry(also: Goldmann Visual Field Test, Kinetic Perimetry)
- Goldmann perimetry is a clinical technique for mapping the visual field — the total area a person can see while fixating on a central point. The test uses a moving stimulus of controlled size and brightness projected onto a white hemispherical bowl, with the examiner tracking…
- Goodness of Pronunciation(also: GOP, GOP Score)
- A computational measure used in automatic speech recognition to assess how closely a spoken utterance matches expected pronunciation patterns. GOP scores are calculated by comparing phone sequences from unrestricted ASR against forced alignment to the actual word sequence. In…
- Gross Motor Function Classification System(also: GMFCS)
- A standardized five-level classification system used to describe the gross motor function of children with cerebral palsy, based on self-initiated movement with emphasis on sitting, walking, and mobility. Level I indicates the highest function (walking without limitations),…
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