Glossary

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

25 results found in Accessibility Evaluation.

Stratified Sampling (Stratified Random Sampling)
Stratified sampling is a statistical technique that divides a population into non-overlapping subgroups (strata) that share some characteristic, then draws a random sample from each stratum. In access…
Task Analysis (Hierarchical Task Analysis, HTA)
A systematic method for breaking down complex activities into their component tasks, subtasks, and actions to understand how users accomplish goals when interacting with a system. In accessibility and…
Universal Access Reference Model (UARM)
A conceptual framework for understanding and addressing the full range of user needs in information and communication technology. The Universal Access Reference Model provides a structured approach to…
Voice Usability (Auditory Usability, Non-Visual Web Usability)
The degree to which a web page, application, or document is usable when accessed through a voice browser or screen reader — the audio-first counterpart to traditional visual usability. Voice usability…
Web Page Complexity (Page Complexity, Structural Complexity)
A measure of how much a web page contains in terms of interactivity, embedded media, and structural richness. The W3C's WCAG-EM defines complexity through three factors: level of interactivity, source…