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• On the Evaluation of Novel Sonification Techniques for Non-Visual Shape Exploration

  Sergio Mascetti, Andrea Gerino, Cristian Bernareggi, Lorenzo Picinali · 2017 · ACM Transactions on Accessible Computing (TACCESS)

  This paper proposes and evaluates six novel sonification techniques for enabling blind and visually impaired users to explore and recognize shapes on touchscreen devices, comparing them against two existing techniques from the literature. The motivation is that graphical…

  sonification · visual impairment · STEM accessibility · touchscreen · shape recognition

• Regression Analysis of Demographic and Technology-Experience Factors Influencing Acceptance of Sign Language Animation

  Hernisa Kacorri, Matt Huenerfauth, Sarah Ebling, Kasmira Patel, Kellie Menzies, Mackenzie Willard · 2017 · ACM Transactions on Accessible Computing (TACCESS)

  This paper investigates how deaf participants' demographic backgrounds and technology experience influence their evaluation scores when assessing sign language animation systems, revealing that participant characteristics — not just animation quality — significantly affect study…

  sign language avatar · deaf and hard of hearing · evaluation methodology · regression analysis · ASL animation

• Effect of Displaying Human Videos During an Evaluation Study of American Sign Language Animation

  Hernisa Kacorri, Pengfei Lu, Matt Huenerfauth · 2013 · ACM Transactions on Accessible Computing

  This paper addresses a critical methodological question in sign language animation research: how does the choice of upper baseline (human video vs. high-quality animation) and the modality of comprehension questions affect evaluation results? The authors conducted three phases…

  sign language animation · ASL · deaf accessibility · evaluation methodology · user studies

• Testability and Validity of WCAG 2.0: The Expertise Effect

  Giorgio Brajnik, Yeliz Yesilada, Simon Harper · 2010 · Proceedings of the 12th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2010)

  This paper investigates the testability and validity of WCAG 2.0 success criteria through an empirical study with 22 accessibility experts and 27 non-experts (university students with 14 hours of accessibility training). Participants evaluated all 61 WCAG 2.0 success criteria…

  WCAG 2.0 · web accessibility · conformance review · evaluator effect · accessibility audit

• Comparing Evaluation Techniques for Text Readability Software for Adults with Intellectual Disabilities

  Matt Huenerfauth, Lijun Feng, Noémie Elhadad · 2009 · Proceedings of the 11th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '09)

  This paper investigates how to properly evaluate text simplification software designed for adults with mild intellectual disabilities (ID). The authors are developing a system that automatically simplifies news articles, displays them, and reads them aloud using text-to-speech —…

  intellectual disability · text simplification · readability · natural language processing · evaluation methodology

• Design and Evaluation of an American Sign Language Generator

  Matt Huenerfauth, Liming Zhao, Erdan Gu, Jan Allbeck · 2007 · Proceedings of the Workshop on Embodied Language Processing (EmbodiedNLP 2007)

  Huenerfauth, Zhao, Gu, and Allbeck (2007) describe the implementation and user evaluation of a prototype system for generating animations of American Sign Language (ASL) classifier predicates — spatially complex hand movements that trace the location, motion, shape, or contour…

  ASL · American Sign Language · deaf accessibility · sign language · sign language animation

• Evaluating Web Resources for Disability Access

  Murray Rowan, Peter Gregor, David Sloan, Paul Booth · 2000 · Proceedings of the Fourth International ACM Conference on Assistive Technologies (Assets '00)

  This paper from the University of Dundee's Digital Media Access Group argues that existing accessibility evaluation methods in 2000 were individually insufficient and proposes a comprehensive meta-methodology that combines multiple evaluation techniques into a structured…

  accessibility evaluation · accessibility audit · automated testing · manual testing · heuristic evaluation

• Auditory Navigation in Hyperspace: Design and Evaluation of a Non-Visual Hypermedia System for Blind Users

  Sarah Morley, Helen Petrie, Anne-Marie O'Neill, Peter McNally · 1998 · Proceedings of the Third International ACM Conference on Assistive Technologies (Assets '98)

  This paper from the University of Hertfordshire's Sensory Disabilities Research Unit presents the design and rigorous evaluation of DAHNI (Demonstrator of the ACCESS media Non-Visual Interface), a hypermedia system built specifically for blind users as part of the EU-funded…

  auditory interface · blindness · non-speech sounds · hypermedia · nonvisual navigation

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