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• User tests demonstration: real experiences in measuring web accessibility needs for people with disabilities and the elderly

  Jesus Hernandez Galán, J. Ángel Martinez Usero, M. Jesús Varela Méndez · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibililty (W4A)

  This workshop paper from the ONCE Foundation, CIDAT, and Technosite in Spain describes a practical demonstration of user testing with people with disabilities and elderly participants as part of web accessibility evaluation. Set within the European policy context of the 2005…

  user testing · accessibility evaluation · aging · European accessibility policy · UWEM

• Evaluating Existing Audio CAPTCHAs and an Interface Optimized for Non-Visual Use

  Jeffrey P. Bigham, Anna C. Cavender · 2009 · Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (CHI 2009)

  This paper presents the first large-scale evaluation of audio CAPTCHAs — the purportedly accessible alternative to visual CAPTCHAs — revealing that they are dramatically more difficult for both blind and sighted users. The study gathered 10 types of audio CAPTCHAs from major…

  blind and low vision · web accessibility · screen readers · CAPTCHA · authentication

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