An Innovative Android-Based Computer-Based Test (CBT): Developing an Adaptive and Efficient Digital Assessment System for Mathematics Learning in Secondary Education
Inovasi Pengembangan Computer-Based Test (CBT) Berbasis Android sebagai Sistem Evaluasi Pembelajaran Matematika yang Adaptif, Efisien, dan Berorientasi Digital di Sekolah Menengah
Keywords:
Computer Based Test, Android, learning evaluation, mathematics, 4D modelAbstract
This study aims to develop and evaluate an Android-based Computer-Based Test (CBT) as an innovative assessment tool for mathematics learning in Grade XI at SMAN 3 Bungo. The study employed a Research and Development (R&D) approach using the 4D model, consisting of define, design, develop, and disseminate stages. The participants included 64 students, 4 mathematics teachers, and 2 educational staff. Data were collected through validation sheets, functionality testing, and usability questionnaires. The findings indicate that the developed CBT achieved a high level of validity, with Aiken’s V scores of 0.96 (construction), 0.95 (language), and 0.758 (content), all categorized as valid. Functionality testing confirmed that the system operated reliably across server and client platforms without errors. Usability results revealed that the application was perceived as highly practical by both teachers (0.8593) and students (0.8812), reflecting ease of use, usefulness, and user satisfaction. Furthermore, the implementation of the Android-based CBT demonstrated its effectiveness in enhancing assessment efficiency, accelerating scoring processes, and ensuring objectivity in evaluation. The use of mobile technology also increased student engagement and accessibility. In conclusion, the developed CBT is feasible, practical, and effective as a digital assessment tool and offers a scalable solution to support the digital transformation of educational assessment practices.
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