Development of E-Book Format EPUB on Dynamic Electrical Materials of X-Grade Vocational School

Abstract

Based on the results of the research on product development carried out, as follows; This development has produced a learning media in the form of an e-book in EPUB format on Physics subjects in class X SMK / MAK. With this development model the media is very feasible and used in SMK level learning by going through several test stages on this development product. Based on the results of the material / content expert validation, the level of validity showed a final score of 82.44%. The evaluation of the Media Expert shows a percentage value of 89.60%, meaning that the product is declared fit for use. Based on data analysis from the results of the motivation questionnaire and the responses of class X students, it shows that the students' grades increased by 11.20% from the results before using the e-book and after using the e-book. For the results of the response questionnaire, it shows that the students are motivated and respond to the e-book well and it can be said that the e-book in the EPUB format can be used properly by students of SMK Bubutan Surabaya.