MathLexic is a multimedia application that is designed to improve mathematical skills of dyslexic children. This research is focused on integration of multimedia elements and implementation of multimedia principles in the application, which is intended to deliver an attractive and acceptable multimedia mathematical application for dyslexics. The application allows dyslexics to interact with the tutorials that comprise of recognizing numbers, number sequencing, operation of mathematical symbols, mathematical operations, and activities for their enhancement. User Acceptance Test is conducted with dyslexic and special education teachers in order to evaluate the application. Most of the teachers agree that the application is not only supportive and valuable for dyslexics, but it is also attractive, user friendly, and an interesting educational aid. The research finds that the implementation of multimedia elements and principles can encourage the children to learn mathematics and enhance their mathematical skills as well.
Nielsen’s and Molich’s design guidelines have been famously adapted in studies related to the design of interactive products, including for learning environment, and for hearing-impaired learners. In current situation, the learning materials for hearing-impaired learners are lacking in terms of positive interactions that promote two-way communication, partly because they do not apply appropriate design principles appropriately for the users. This affects their stimulation in learning activities. Hence, this paper aims at uncovering the current design principles applied in learning materials for learning sign language for the hearing-impaired learners. Besides an elicitation of literature, a semi-structured interview with the experts in hearing-impaired curricula has been carried out. It reveals that a study needs to urgently be carried out in proposing a heuristics design model that is specifically able to evoke the positive learning experience.
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