Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Laddering Method(also: Laddering Technique, Laddering Interview)
- A qualitative-quantitative research method used in user experience research to understand why users value certain product features. Rooted in Means-End theory, the technique involves asking participants what they liked or disliked about an experience, then probing with follow-up…
- Legitimate Peripheral Participation(also: LPP)
- A concept from Jean Lave and Etienne Wenger's situated-learning theory describing how newcomers join a community of practice by first participating in peripheral, lower-stakes activities and gradually moving toward full, central participation as they acquire the practices and…
- Likert Scale(also: Likert-type Scale, Rating Scale)
- A psychometric scale commonly used in surveys and questionnaires where respondents indicate their level of agreement with a statement, typically using options ranging from "strongly disagree" to "strongly agree." In accessibility research, Likert scales are frequently used to…
- Literacy Bias(also: Literacy bias of a metric)
- In accessibility research methodology, a literacy bias describes the phenomenon where an evaluation metric systematically produces different scores for participants with different reading-literacy levels, independent of the characteristic being measured. For example,…
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