KEVALIDAN E-BOOK BERBASIS ANDROID PADA MATERI PERSAMAAN LINGKARAN KELAS XI SMA

Abstract

The development of technology is a demand of the industrial revolution era 4.0. With technology, it has an effect on the field of education, which is called education 4.0, meaning that learning uses technology tools. Thus, this study aims to develop a android-based e-book on the validity of the XI grade circle material in high school. This type of research is research and development (R&D). The research instrument used was a validation sheet for material experts and media experts. The data obtained were analyzed with qualitative descriptive analysis and descriptive statistics. Qualitative descriptive analysis was obtained from the results of the comments and suggestions from material experts and media experts. Descriptive statistical analysis was obtained from the results of the validation sheet of material experts and media experts by means of data analysis using rasch modeling. The results showed that the e-book based on android on the material equation of class XI high school validity with a dominant assessment on the choice of agree.