Glossary

Searchable terminology from accessibility, web standards, and related fields.

3 results found in methodology.

Activity Theory
A conceptual framework originating in Soviet psychology (Vygotsky, Leont'ev) and widely applied in HCI, which analyses human action as goal-directed activity mediated by tools, rules, community, and d…
Design for All (DfA, Design pour Tous)
A European design philosophy that aims to create products, environments, and services usable by the widest possible range of people without adaptation or specialized design. Originating from the Europ…
Fleiss's Kappa (Fleiss Kappa)
A statistical measure of inter-rater reliability for categorical ratings assigned by three or more raters, extending Cohen's Kappa beyond the two-rater case. In accessibility research, Fleiss's Kappa …