Development of Android-Based Rhythmic Learning Media (SENDI): Digital Gymnastics for Students

The purpose of this research is to determine the effectiveness of android-based mobile learning (SENDI-Digital Gymnastics) in improving the competence of PJKR student graduates, especially in the rhythmic activity course for the 2024/2025 school year. This research uses research from Borg and Gall through 10 stages including: (1) Preliminary Study, (2) Research Planning, (3) Initial Product Development, (4) Initial (Limited) Field Trial, (5) Limited Field Test Revision, (6) Broader Field Test, (7) Revision of Field Test Results, (8) Feasibility Test, (9) Revision of Feasibility Test Results, (10) Dissemination and Socialization of Final Product. The results of this study show that the product developed is included in the category of suitable for use based on the results of expert assessment. The results of the product trial on the subjects also showed that the ability of rhythmic gymnastics experienced a significant improvement before and after the treatment using the product. The hypothesis test obtained the results that there was a significant difference in the competence of graduating rhythmic gymnastics students before and after using SENDI media. Students experience an increase in the competence of graduating rhythmic gymnastics after learning using SENDI media.