Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Zeigarnik Effect
- A psychological phenomenon identified by Bluma Zeigarnik in 1927 describing the tendency for people to remember interrupted or incomplete tasks better than completed ones. The effect explains why partially finished challenges, multi-level games, and serialized learning modules…
- Zone of Proximal Development(also: ZPD)
- A concept from educational psychologist Lev Vygotsky describing the range of tasks that a learner can perform with the assistance of a more competent individual (scaffolding) but cannot yet perform independently. The ZPD lies between the zone of actual development (what the…
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