Glossary

Search results

Cross-Validation(also: K-Fold Cross-Validation, Stratified Cross-Validation)

A statistical method for evaluating machine learning models by splitting data into multiple subsets (folds), training the model on some folds and testing on the remaining ones, then rotating through all combinations. Stratified cross-validation ensures each fold maintains the…

Cross-language Research(also: Cross-linguistic Research, Multilingual Research)

Research conducted across different languages, requiring translation and interpretation to bridge communication between researchers and participants who do not share a common language. In accessibility research with sign language users, cross-language challenges are particularly…

Cross-syndrome comparison(also: Cross-disability comparison)

A research methodology that evaluates a technology or intervention with participants from multiple disability groups to determine whether findings and design principles generalize across conditions. Cross-syndrome comparisons are important because assistive technologies designed…

Cultural Probes(also: Design Probes, Probes)

A design research technique in which participants are given a kit of open-ended, often playful artefacts - such as disposable cameras, diaries, maps, or prompts - to document aspects of their daily life over time. The returned materials surface experiences, values, and contexts…

Cumulative Link Mixed Model(also: CLMM, Ordinal Mixed Model)

A statistical model for analysing ordinal outcome data (such as Likert-scale ratings) that includes both fixed effects (experimental conditions) and random effects (participants, stimuli). CLMMs use a link function — commonly logit — to relate ordered categorical responses to…