Benjaporn SaksiriJoel S. GreensteinPintip RuenwongsaMahidol UniversityClemson University2018-07-122018-07-122008-12-01Proceedings of the 10th IASTED International Conference on Computers and Advanced Technology in Education. (2008), 344-3492-s2.0-62449127946https://repository.li.mahidol.ac.th/handle/20.500.14594/19117A Virtual Sign Animated Pedagogical Agent (VSAPA) is developed as an educational tool for d/Deaf students. This paper investigates the design issues addressed in the development of the tool and its associated learning environment. A usability testing methodology is proposed to evaluate and refine the resulting instructional system.Mahidol UniversityComputer ScienceConference PaperSCOPUS