Nilam Nur Jazilatur Rohmah, Abd. Qohar
This study aimed to develop interactive multimedia that was valid, practical, and effective. The procedure of this research was carried out by referring to ADDIE model which consisted of five phases, namely Analyze, Design, Development, Implementation, and Evaluation. The subjects of this study were 8th grade junior high school students in Malang. Based on the data analysis, the results obtained were (1) the validity test of the media got score of 3.75, the validity of the material got score 3.63, and the validity of the students' questionnaire responses got score 3.7, so the developed instructional media met the valid criteria, (2) the practicality test of instructional media got score of 3.5 that was obtained from student response questionnaire, so that the developed instructional media met the practical criteria, (3) the effectiveness test was that 83% of students obtained 80 and above which showed that developed instructional media met the effective criteria. Based on these results, the developed instructional media were declared to be valid, practical, and effective. © 2020 Author(s).
Mathematics Department, Faculty of Mathematics and Natural Science, Universitas Negeri Malang, Indonesia