Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Sampling Method(also: Sampling, Page Sampling, Site Sampling)
- A sampling method is a rule for selecting a subset of pages, screens, or components from a larger product to be evaluated for accessibility. Because full manual evaluation of every page on a real-world website, app, or PDF library is usually infeasible, every practical audit…
- Small-n Experimental Design(also: Small-sample Design, Single-case Design)
- Small-n (or single-case) experimental design is a family of research methodologies aimed at drawing rigorous causal conclusions from very few — sometimes just one — participants. The approaches include ABA reversal, multiple baseline designs, alternating treatments, and changing…
- Stratified Sampling(also: Stratified Random Sampling)
- Stratified sampling is a statistical technique that divides a population into non-overlapping subgroups (strata) that share some characteristic, then draws a random sample from each stratum. In accessibility evaluation, stratified sampling is used to pick test pages by first…
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