Literature Reviews

Reviewed research papers, articles, and publications relevant to digital accessibility.

• Uncovering the Role of Expectations on Perceived Web Accessibility

  Amaia Aizpurua, Myriam Arrue, Markel Vigo (2013) — Proceedings of the 15th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '13)

  This short paper investigates how user expectations shape the perception of web accessibility for blind users, arguing that guideline compliance alone does not guarantee a satisfying user experience. The authors note a key gap: prior research found t…

  • web accessibility
  • blind users
  • screen readers
  • user experience
  • perceived accessibility
  • expectations
  • usability testing
  • WCAG
  • qualitative research

• CodeA11y: Making AI Coding Assistants Useful for Accessible Web Development

  Peya Mowar, Yi-Hao Peng, Jason Wu, Aaron Steinfeld, Jeffrey P. Bigham (2025) — Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems (CHI '25)

  This paper addresses a persistent problem: despite decades of accessibility standards and tools, ~96% of web pages contain accessibility violations. The authors argue that AI coding assistants like GitHub Copilot represent an untapped opportunity bec…

  • web accessibility
  • AI coding assistants
  • developer tools
  • WCAG
  • automated testing
  • GitHub Copilot
  • large language models
  • accessibility education
  • software development

• Web Accessibility Evaluation with the Crowd: Using Glance to Rapidly Code User Testing Video

  Mitchell Gordon (2014) — Proceedings of the 16th International ACM SIGACCESS Conference on Computers & Accessibility (ASSETS)

  This paper proposes using Glance, a crowd-powered video coding tool, to accelerate the analysis of user accessibility testing videos. User testing with people with disabilities is a recommended component of web accessibility evaluation (as outlined i…

  • crowdsourcing
  • accessibility evaluation
  • usability testing
  • video coding
  • web accessibility
  • WCAG
  • user testing

• Evaluating the Accessibility of Crowdsourcing Tasks on Amazon's Mechanical Turk

  Rocío Calvo, Shaun K. Kane, Amy Hurst (2014) — Proceedings of the 16th International ACM SIGACCESS Conference on Computers & Accessibility (ASSETS)

  This paper presents a heuristic accessibility evaluation of Amazon Mechanical Turk (MTurk), a crowdsourcing platform where workers complete short tasks (Human Intelligence Tasks, or HITs) for small payments. The authors argue that crowd work platform…

  • crowdsourcing
  • web accessibility
  • accessibility evaluation
  • employment
  • WCAG
  • heuristic evaluation
  • disability employment

• Is Accessibility Conformance an Elusive Property? A Study of Validity and Reliability of WCAG 2.0

  Giorgio Brajnik, Yeliz Yesilada, Simon Harper (2012) — ACM Transactions on Accessible Computing

  This landmark study investigates whether WCAG 2.0's definition of "Reliably Human Testable"—that at least 80% of knowledgeable evaluators would agree on an audit conclusion—is actually achievable in practice. The researchers recruited 25 experienced …

  • WCAG
  • conformance testing
  • accessibility evaluation
  • evaluator effect
  • reliability
  • validity
  • expert review

• ACE: A Colour Palette Design Tool for Balancing Aesthetics and Accessibility

  Garreth W. Tigwell, David R. Flatla, Neil D. Archibald (2017) — ACM Transactions on Accessible Computing

  This paper presents ACE (Accessible Colour Evaluator), an online tool designed to help web developers and designers balance aesthetic preferences with accessibility requirements when choosing website color palettes. The research addresses a significa…

  • color accessibility
  • colour vision deficiency
  • color blindness
  • web design
  • design tools
  • WCAG
  • contrast ratio
  • user-centered design
  • accessibility testing

• International Guidelines for Photosensitive Epilepsy: Gap Analysis and Recommendations

  J. Bern Jordan, Gregg C. Vanderheiden (2024) — ACM Transactions on Accessible Computing

  This paper provides the first comprehensive published comparison of five major international guidelines for limiting photosensitive epilepsy (PSE) risk from flashing content: UK Ofcom broadcast guidance, Japan's NHK/JBA guidelines, ISO 9241-391, ITU-…

  • photosensitive epilepsy
  • seizures
  • flashing content
  • video safety
  • standards comparison
  • WCAG

• Accessible Web Design for Older Adults: Challenges and Solutions

  Washington Chiriboga-Casanova, Nuria Medina-Medina, Patricia Paderewski-Rodríguez (2025) — ACM Transactions on Accessible Computing

  This systematic literature review analyzes 4,052 articles published between 2014 and 2023 to comprehensively map the challenges older adults face online and the solutions proposed to address them. Using the PRISMA methodology and PICO framework, the …

  • systematic review
  • older adults
  • web accessibility
  • aging
  • design guidelines
  • accessibility evaluation
  • WCAG
  • adaptive interfaces
  • digital inclusion

• Accessibility 2.0: People, Policies and Processes

  Brian Kelly, David Sloan, Stephen Brown, Jane Seale, Helen Petrie, Patrick Lauke, Simon Ball (2007) — Proceedings of the 2007 International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This influential paper by a multi-institutional UK team argues that the WAI's predominantly technology-focused approach to web accessibility is counter-productive, and proposes "Accessibility 2.0" — a user-focused, contextual, pluralistic alternative…

  • web accessibility
  • accessibility policy
  • WCAG
  • contextual accessibility
  • e-learning
  • organizational accessibility
  • social model of disability
  • stakeholder engagement
  • accessibility theory

• Towards Bridging the Accessibility Needs of People with Disabilities and the Ageing Community

  Shadi Abou-Zahra, Judy Brewer, Andrew Arch (2008) — Proceedings of the 2008 International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This keynote paper introduces the WAI-AGE (Web Accessibility Initiative: Ageing Education and Harmonisation) project, a 36-month W3C/WAI initiative funded by the European Commission under its 6th Framework Programme. The project aimed to bridge the g…

  • web accessibility
  • aging
  • accessibility policy
  • WCAG
  • standards harmonization
  • W3C
  • WAI
  • education
  • inclusive design
  • European accessibility