Glossary
Searchable terminology from accessibility, web standards, and related fields.
6660 terms — page 329 of 333
- Within-Subject Design (Within-Subjects Design, Repeated Measures Design)
- An experimental research design where each participant is exposed to all conditions being compared, rather than assigning different participants to different conditions. In accessibility user studies,…
- Within-Subjects Design (Repeated Measures Design, Crossover Design)
- A research methodology in which the same participants are exposed to all conditions or treatments being compared, with each participant serving as their own control. In accessibility research, within-…
- Within-Subjects Study (Within-subject study, Repeated-measures design)
- An experimental design in which every participant experiences every condition being compared, so each person acts as their own control. Within-subjects studies increase statistical power with smaller …
- Wizard Design Pattern (Wizard Interface, Step-by-step Interface, Guided Task Flow)
- An interface design pattern that breaks complex tasks into a series of simple, sequential questions or steps. Rather than presenting all options simultaneously, a wizard guides users through one decis…
- Wizard of Oz (WOz, Wizard of Oz Study, Wizard of Oz Method)
- A research and prototyping technique in which a human operator (the "wizard") secretly performs functions that participants believe are being handled by the system. This allows researchers to study us…
- Wizard of Oz (WoZ, Wizard of Oz Testing, Wizard of Oz Prototyping)
- A research and design method in which a human operator (the "wizard") secretly controls or simulates system responses that participants believe are automated. In accessibility research, Wizard of Oz s…
- Wizard of Oz Study (WOZ Study, Wizard of Oz Method)
- A research method in which participants interact with what they believe is an automated system, but which is actually operated in whole or in part by a human "wizard" hidden from view. The method is u…
- Wizard-of-Oz (WOZ, Wizard of Oz Method, WOZ Study)
- A research methodology where participants interact with what they believe is an autonomous system, but a human "wizard" is secretly operating it behind the scenes. Named after the 1939 film, this tech…
- Wizard-of-Oz Prototype (WOz Prototype, WOz Method, Wizard of Oz Study)
- A research and design method where a human operator secretly simulates the behaviour of an interactive system that has not yet been built, allowing participants to experience and evaluate the concept …
- Wizard-of-Oz Study (WoZ Study, Wizard of Oz Protocol)
- A research method in which participants interact with a system they believe is autonomous, but which is actually being partially or fully operated by a human researcher (the "wizard") behind the scene…
- Wizard-of-Oz Study (Wizard of Oz, WoZ Study, Wizard-of-Oz Method)
- A Wizard-of-Oz study is a research method in human-computer interaction where participants interact with a system they believe is autonomous, but which is actually being partially or fully operated by…
- Wizard-of-Oz Study (WOz Study, Wizard of Oz Method, WOz Technique)
- A research methodology in human-computer interaction where participants believe they are interacting with an autonomous system, but a hidden human operator (the "wizard") is actually controlling some …
- Wizard-of-Oz study (WoZ study, Wizard of Oz method)
- A research methodology in which participants interact with a system they believe is automated, but which is actually operated partially or fully by a hidden human operator (the "wizard"). This approac…
- Word Board (Communication Board, Word Display)
- A communication tool used in augmentative and alternative communication (AAC) consisting of words, common phrases, and sometimes alphabet letters arranged on a physical board or digital display. Users…
- Word Embedding (Word Vector, Distributed Word Representation)
- A technique in natural language processing that represents words as numerical vectors in a multi-dimensional space, where words with similar meanings are positioned closer together. Word embeddings en…
- Word Error Rate (WER)
- A standard metric for evaluating speech recognition and captioning accuracy, calculated as the number of insertions, deletions, and substitutions needed to transform the transcribed text into the refe…
- Word Error Rate (WER)
- A metric used to evaluate the accuracy of automatic speech recognition (ASR) and captioning systems, calculated as the number of word-level errors (insertions, deletions, and substitutions) divided by…
- Word Frequency (Lexical Frequency)
- A measure of how often a word occurs in a given language or text corpus. High-frequency words like common function words are encountered regularly and recognized quickly, while low-frequency words are…
- Word Lattice (Recognition Lattice, Speech Lattice)
- A graph data structure produced by a speech recognizer that represents multiple competing word hypotheses explored during recognition, along with their acoustic and language model scores. Each path th…
- Word Prediction (Predictive Text, Word Completion)
- A text input feature that suggests complete words based on the characters already typed, using language models to anticipate the most likely intended word. In assistive technology, word prediction is …