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Abstract-People with hearing impairments have difficulties in their access to Thai in situ authentic culture because they have problems with understanding spoken information during their visit. An extensive review of the literature found that there was no framework to guide developers in developing technology solutions for such face-to-face situations for people with hearing impairment, other disabilities or no disabilities. This paper describes a Technology Enhanced Interaction Framework (TEIF) and Method that have been shown by experiments and questionnaires to have the potential to help developers make local Thai museums more accessible for disabled visitors. The mean number of correct requirements was significantly higher for participants using the TEIF Method than the Other Methods. The TEIF Method helped developers select a solution significantly more often than the Other Methods that was not worse than a solution rated best by the experts. The TEIF Method also helped developers rate the best solution significantly closer to the experts' ratings than the Other Methods.

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This paper deals with the important problem that there is no help with the accessibility evaluations of Thailand’s web by developing and evaluating a new method and tool online, WebThai2Access, with experts, developers, and users with disabilities. This tool was evaluated by 30 developers, 30 hearing impaired people, 30 visually impaired people, and 30 elderly people. The developers evaluated the websites whereas experimental tasks were given to each disabled group based on the problems they had accessing web information. The developers found WebThai2Access very usable and the 15 test criteria were reliable for evaluating websites. The lower and upper 95% limits for confidence ratings of developers were minus or plus 10% for YouTube and Pantip websites and minus or plus 3% with the blind association website. The 95% lower and upper limits of confidence were minus or plus 5% for hearing impaired users, minus or plus 2% for elderly users and minus or plus 0% for visually impaired users. The results therefore showed WebThai2Access was reliable and accessible for developers whose evaluations reasonably well predicted website accessibility for users with disabilities.

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