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Accessibility
IEEE Definitions
- the extent to which products, systems, services, environments and facilities can be used by people from a population with the widest range of characteristics and capabilities to achieve a specified goal in a specified context of use [1, Sec. 3.41][2, Sec. 4.1]
- the degree to which a product or system can be used by people with the widest range of characteristics and capabilities to achieve a specified goal in a specified context of use [1, Sec. 3.41][3, Sec. 4.2.4.6]
- the usability of a product, service, environment or facility by people with the widest range of capabilities [1, Sec. 3.41][4, Sec. 4.1][5, Sec. 4.1]
UK legal definition
- “accessibility requirement” means the requirement to make a website or mobile application accessible by making it perceivable, operable, understandable and robust; [6]
Assessment tools
- AChecker https://achecks.ca/achecker
References
[1] “ISO/IEC/IEEE International Standard - Systems and software engineering–Vocabulary,” in ISO/IEC/IEEE 24765:2017(E) , vol., no., pp.1-541, 28 Aug. 2017, doi: 10.1109/IEEESTD.2017.8016712.
[2] ISO/IEC 25064:2013 Systems and software engineering — Software product Quality Requirements and Evaluation (SQuaRE) — Common Industry Format (CIF) for usability: User needs report
[3] ISO/IEC 25010:2011 Systems and software engineering — Systems and software Quality Requirements and Evaluation (SQuaRE) — System and software quality models
[4] ISO/IEC 25062:2006 Software engineering — Software product Quality Requirements and Evaluation (SQuaRE) — Common Industry Format (CIF) for usability test reports
[5] ISO/IEC 26514:2008 Systems and software engineering — requirements for designers and developers of user documentation
[6] “The public sector bodies (websites and mobile applications) (no. 2) accessibility regulations 2018,” Legislation.gov.uk, https://www.legislation.gov.uk/uksi/2018/952/part/1/made (accessed Jul. 20, 2023)