Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Hierarchical Task Analysis(also: HTA)
- A structured method for describing and analyzing tasks by breaking them down into goals, sub-goals, and operations in a hierarchical tree structure. Originally developed for industrial and safety-critical domains, HTA has been adopted in accessibility research to identify where…
- Human Failure Modes and Effects Analysis(also: HFMEA, Human FMEA)
- An adaptation of Failure Modes and Effects Analysis (FMEA) that focuses specifically on human performance and error. HFMEA systematically examines each step in a process to identify how humans might fail, why they might fail, and what effects those failures would have. In…
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