Glossary
Searchable terminology from accessibility, web standards, and related fields.
229 results found in Research Methods.
- Viterbi Algorithm
- The Viterbi algorithm is a dynamic-programming procedure for finding the most likely sequence of hidden states in a Hidden Markov Model given a sequence of observations. It is the standard solution to…
- WEIRD (Western, Educated, Industrialized, Rich, and Democratic)
- An acronym standing for Western, Educated, Industrialized, Rich, and Democratic — used to describe the demographic and cultural profile of populations that dominate research samples in psychology, HCI…
- WHODAS 2.0 (WHODAS, WHO Disability Assessment Schedule, World Health Organization Disability Assessment Schedule 2.0)
- WHODAS 2.0 is the World Health Organization Disability Assessment Schedule, version 2.0, a standardized instrument that measures health and disability across six life domains: cognition, mobility, sel…
- Web Interaction Environment (WIE)
- A modelling concept defined as a particular audience group's set of intrinsic characteristics upon which tailored evaluation procedures can be applied to a website. Introduced by Lopes and Carrico (20…
- Wilcoxon Signed-Rank Test (Wilcoxon Test)
- The Wilcoxon signed-rank test is a non-parametric alternative to the paired t-test, used to compare two related samples when the data are ordinal or not normally distributed. It ranks the absolute dif…
- 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-…
- 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 (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 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…