Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Order-Irrelevance Principle
- The counting principle that the order in which objects are counted does not affect the total — counting the same set of objects in any sequence will yield the same number. This concept, while intuitive for most people, is often not understood by learners with dyscalculia, who…
- Overselectivity(also: Stimulus Overselectivity, Overselective Attention)
- A learning challenge in which an individual attends to only one or a few features of a stimulus while ignoring other relevant features, resulting in an inability to discriminate between stimuli that share some characteristics. For example, a child who is overselective might…
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