研究目的
To implement an augmented reality application using Universal Design for Learning principles to provide education guidance for hearing impaired students, enabling them to understand higher education content without teacher assistance.
研究成果
The AR education guidance system, designed with UDL principles, was rated as good in heuristic evaluation and highly satisfactory by users. It effectively aids hearing impaired students in self-study, increases engagement, and provides accessible information about higher education programs, potentially expanding educational opportunities.
研究不足
The study is limited to a specific group of hearing impaired students in Thailand, using a particular AR application (Aurasma/HP Reveal), and may not generalize to other disabilities or educational contexts. Technical constraints include reliance on internet connectivity and mobile device compatibility.
1：Experimental Design and Method Selection:
The study used a heuristic evaluation method and Universal Design for Learning (UDL) principles to design an AR application. The AR technology involved marker-based AR using the Aurasma app to superimpose virtual content on real-world environments.
2：Sample Selection and Data Sources:
Participants included 3 experts for heuristic evaluation and 30 university students proficient in sign language. Data were sourced from IT program courses, advertisement posters, and interviews with current students, converted into Thai sign language.
3：List of Experimental Equipment and Materials:
Smartphones or tablets with the Aurasma app (HP Reveal), internet connection, and AR markers (trigger images).
4：Experimental Procedures and Operational Workflow:
Steps included data acquisition (collecting and converting information), feature identification (integrating data into Aurasma), evaluation (heuristic assessment by experts and students), and satisfaction measurement via questionnaires.
5：Data Analysis Methods:
Heuristic evaluation used a Likert scale (1-5) for usability aspects, with averages and standard deviations calculated. Questionnaires assessed user satisfaction on various criteria.
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