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The Design of Web Service-based Minimum Competency Assessment Application with the REST Method in Senior High Schools Setiawan, Muhammad Aji; Sibarani, Alexander J.P.
International Journal of Advanced Science Computing and Engineering Vol. 6 No. 1 (2024)
Publisher : SOTVI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62527/ijasce.6.1.150

Abstract

To monitor quality improvement and student learning outcomes, schools must adopt a Minimum Competency Assessment (MCA). The Minimal Competence Assessment consists of two sub-tests: literacy and numeracy. This is in accordance with the provisions of the Indonesian Ministry of Education, Culture, Research and Technology in order to improve the quality of learning and student learning outcomes. The existing test method has limits with school resources that cannot satisfy the quota of pupils who can utilize the program jointly. In addition, the existing system is incapable of displaying student grades because the evaluation is a cumulative score for the whole student body. Hence, the school constructed a web service-based application utilizing the Representational State Transfer approaches so that it could independently administer complete numeracy and literacy assessments to its pupils, allowing schools to track their students' numeracy and literacy improvement. The system is constructed utilizing two distinct platforms, namely web-based apps and mobile applications based on Android. Web-based application was developed for admin and teachers while mobile application was developed for students. The findings of this study's testing indicated that the web service application performed as predicted. According to the findings of the questionnaires given to evaluate the application's usability using the Nielsen technique, teachers were happy with the application's Learnability, Memorability, Efficiency, Errors, and Satisfaction. The majority of instructors are satisfied with the implementation of this Minimum Competence Application, according to the survey findings.
Enhancing E-Learning User Engagement Through Scrum-Based Development Sibarani, Alexander J.P.; Pasaribu, Sutrisno Arianto
Jurnal Informatika: Jurnal Pengembangan IT Vol 10, No 3 (2025)
Publisher : Politeknik Harapan Bersama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/jpit.v10i3.8590

Abstract

Abstract – Higher education faces challenges in meeting evolving needs while existing e-learning systems often fail to adapt to these changes. The current open-source e-learning system cannot accommodate the dynamic requirements of students, faculty, and administrators, hindering the effectiveness of the learning process. This research aims to design and develop an adaptive e-learning system using the Scrum methodology to bridge the gap between existing systems and the changing demands of higher education. The goal is to create a system that can quickly adapt to changes, accommodate user needs, and enhance learning effectiveness. The study applies the Scrum methodology, which supports iterative and incremental development, enabling continuous user feedback and risk management. The research involves a needs analysis, system design, and prototype development, followed by usability testing using the System Usability Scale (SUS) to evaluate the system's usability and effectiveness. The usability testing results show that the prototype system received neutral evaluations, indicating that while it provides a functional solution, further refinements, and additional iterations are necessary to fully meet user expectations. This study contributes to the understanding of how adaptive e-learning systems can be developed using Scrum and how they can be improved to better support the transformative goals of higher education in Indonesia. Keywords: E-learning, Ishikawa Diagram, Scrum, System Usability Scale (SUS), User Engagement Abstrak – Pendidikan tinggi menghadapi tantangan dalam memenuhi kebutuhan yang terus berkembang sementara sistem pembelajaran yang ada sering kali gagal beradaptasi dengan perubahan ini. Sistem pembelajaran sumber terbuka yang tersedia saat ini tidak dapat mengakomodasi kebutuhan dinamis mahasiswa, fakultas, dan administrator, sehingga menghambat efektivitas proses pembelajaran. Penelitian ini bertujuan untuk merancang dan mengembangkan sistem pembelajaran elektronik adaptif menggunakan metodologi Scrum untuk menjembatani kesenjangan antara sistem yang ada dan tuntutan pendidikan tinggi yang terus berubah. Tujuannya adalah untuk menciptakan sistem yang dapat dengan cepat beradaptasi dengan perubahan, mengakomodasi kebutuhan pengguna, dan meningkatkan efektivitas pembelajaran. Penelitian ini menerapkan metodologi Scrum, yang mendukung pengembangan iteratif dan inkremental, yang memungkinkan umpan balik pengguna dan manajemen risiko yang berkelanjutan. Penelitian ini melibatkan analisis kebutuhan, desain sistem, dan pengembangan prototipe, diikuti oleh pengujian kegunaan menggunakan Skala Kegunaan Sistem (SUS) untuk mengevaluasi kegunaan dan efektivitas sistem. Hasil pengujian kegunaan menunjukkan bahwa sistem prototipe menerima evaluasi netral, yang menunjukkan bahwa meskipun memberikan solusi fungsional, penyempurnaan lebih lanjut, dan iterasi tambahan diperlukan untuk sepenuhnya memenuhi harapan pengguna. Studi ini berkontribusi pada pemahaman tentang bagaimana sistem e-learning adaptif dapat dikembangkan menggunakan Scrum dan bagaimana sistem tersebut dapat ditingkatkan untuk lebih mendukung tujuan transformatif pendidikan tinggi di Indonesia. Kata Kunci: E-learning, Diagram Ishikawa, keterlibatan pengguna, Scrum, System Usability Scale (SUS).
Segmentation Analysis of Countries Based on Human Development Index and Artificial Intelligence Readiness Using Unsupervised Learning Methods: Principal Component Analysis and K-Means Clustering Sibarani, Alexander J.P.; Marpaung, Preddy
Indonesian Journal of Advanced Research Vol. 4 No. 9 (2025): September 2025
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijar.v4i9.15404

Abstract

This study explores the segmentation of over 120 countries based on indicators of human development and digital readiness using unsupervised learning methods. By applying Principal Component Analysis (PCA) for dimensionality reduction and K-Means Clustering for grouping, countries were categorized into four clusters reflecting different levels of development and AI preparedness. Indonesia was positioned within the developing cluster, highlighting both its digital growth potential and structural challenges in innovation and R&D. The analysis provides strategic insights for policy formulation and emphasizes the importance of digital inclusion, research investment, and international collaboration. The clustering approach offers an intuitive visual framework to understand global patterns in the era of technological transformation.