Glossary

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Target Selection(also: Target Acquisition, Pointing)

The fundamental interaction task of moving a cursor or pointer to a specific location on screen and confirming selection, such as clicking a button or link. Target selection difficulty is affected by target size, distance to target, and user motor abilities—relationships…

Task-Technology Fit(also: TTF)

A concept from information systems research describing how well a technology's capabilities match the requirements of the tasks it is used to perform. In assistive technology, task-technology fit is critical to successful adoption: a mismatch between the type of assistive device…

Technology acceptance(also: User acceptance, Technology adoption)

The degree to which individuals are willing to embrace, use, and integrate a new technology into their practices, influenced by perceived usefulness, ease of use, social norms, trust, and prior experience. In accessibility contexts, technology acceptance is shaped by additional…

Text Correction(also: Text Editing, Error Correction)

The process of identifying and fixing errors in text, including substituting incorrect words, inserting missing content, and deleting extraneous characters or words. For blind users, text correction on mobile devices is significantly more challenging than text entry, as it…

Think Aloud Protocol(also: Think-Aloud Method, Verbal Protocol Analysis, Thinking Aloud)

A usability testing method in which participants verbalize their thoughts, feelings, and decision-making processes while performing tasks with a system or interface. Developed for cognitive interface design research, the think aloud protocol helps evaluators understand how users…

Think-Aloud(also: Think-Aloud Protocol, Verbal Protocol Analysis)

A research method in usability and accessibility testing where participants verbalize their thoughts, strategies, and reactions while performing tasks. Think-aloud protocols are particularly valuable in accessibility research because they reveal the cognitive strategies and…

Think-Aloud Protocol(also: Think Aloud, Verbal Protocol Analysis)

A usability research method in which participants verbalize their thoughts, reactions, and decision-making processes while interacting with a system or performing a task. Think-aloud protocols provide rich qualitative data about user experience, revealing cognitive processes,…

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