Abstract
Educational development in the Industrial Revolution 4.0 and the law of the Republic of Indonesia No. 11 of 2019 (National System of Science and Technology) can affect to digital learning. In regard to this, it is necessary to develop an instructional media mobile that is interactive towards the development of technology based on the traditional and cultural knowledge. This media development was systematically designed phases such as preliminary phase analysis of material needs and characters of the students; and phase of developmental design using flash devices based on the traditional and cultural knowledge of Baduy Community. The next phase was validation and material review by the experts: 3 Chemical Engineering lecturers, 2 Chemical Teachers and 3 Communication Science lecturers. Should the media claimed to be valid, trial was conducted by researchers. Media trial and revision on a small group comprised of 10 students and 2 teachers. Then, it was followed by a larger group comprised of 70 students and 3 teachers. The result analysis of the media validation test is based on 26 Likert scale questions using SPSS tools and two open-ended questions. The result is valid with a significance <0.05 with a Cronbach’s Alpha value of 0.877> 0.05 (Reliable).
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