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.
Zakat is a mandatory practice in Islam. The purpose of zakat is to help the society, share the endless boons of Allah and assists the unfortunate people to have a better quality of life. The concept of Zakat is to purify the Muslim wealth and soul. Calculation of Zakat is based on the total savings of a Muslim during one lunar (Islamic) year. Even though, paying Zakat is compulsory for all Muslims however, the knowledge of zakat and the calculation of zakat is still insufficiently explored by the Muslims themselves. Based on the initial study that has been carried out, most of the Muslims still blur and confuse in understanding the concept of zakat and the calculation of zakat. Therefore, iZakat Kedah mobile application has been developed to provides understanding of the zakat income and the calculation of zakat. Thus, this paper focuses on the development of iZakat Kedah mobile application which has been carried out through comparative analysis study and the evaluation of the proposed application through expert review method. Findings of the study indicates that most of the experts agreed that the iZakat Kedah mobile application provides useful knowledge in terms of zakat information and zakat calculation to the public particularly for Muslims.
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