Glossary

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Scanpath Trend Analysis(also: STA)

A method for analysing multiple eye-tracking scanpaths to identify a single representative trending path that captures the most common viewing patterns across a group of users. STA determines which visual elements of a web page are most frequently visited and in what order,…

Sense of Control(also: Perceived control, Locus of control (task-level))

A psychological construct describing a user's subjective feeling of agency over what a system does, distinct from objective control measures such as available options or task-completion rates. In accessibility research on AI-assisted tools, sense of control has emerged as a…

Sign Language Corpus(also: ASL Corpus, Signed Language Corpus)

A structured collection of recorded signed-language performances — typically video, and increasingly motion-capture data — annotated by expert signers with time-stamped linguistic information such as individual signs, non-manual markers, eye gaze, grammatical boundaries, and…

Syntactic Parse Tree(also: Parse Tree, Syntactic Tree)

A tree-shaped data structure that represents the grammatical structure of a sentence according to a formal grammar. Internal nodes correspond to phrases (noun phrase, verb phrase, clause, sentence) and leaves correspond to individual words or signs. Parse trees are produced…

Systematic Review(also: Systematic Literature Review)

A systematic review is a rigorous, reproducible synthesis of research on a narrowly-defined question, using a pre-registered protocol, exhaustive database search, explicit inclusion and exclusion criteria, independent dual screening, formal quality appraisal, and - where…

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