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All Journal Ranah Research : Journal of Multidisciplinary Research and Development The Indonesian Journal of Computer Science
Nan Cenka, Baginda Anggun
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Law, Crime, Criminology & Criminal Justice Public Health Social Sciences Transportation Other

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K-Owl: Next-Gen Interactive Platform for Student Engagement and Feedback Nan Cenka, Baginda Anggun; Agnes Audya Tiara P; Ardanisa Rachma; Avelia Diva Zahra; Harry B. Santoso
The Indonesian Journal of Computer Science Vol. 14 No. 5 (2025): The Indonesian Journal of Computer Science
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v14i5.5001

Abstract

In the digital era, the challenges faced by lecturers and students in learning are increasingly diverse, which makes students tend to be less involved in learning. A student response system called “K-Owl” is proposed to support the Know, Want to Know, Learn (KWL) strategy where lecturers can monitor students’ knowledge in real-time while the platform helps students stay actively engaged in class. User-Centered Design was used as a methodology to ensure that the proposed platform aligns with user needs, with stages including identifying user problems and needs, system design and development, and evaluation. This study involved 16 interview participants and 71 usability testing participants. Quantitative data were collected using the System Usability Scale (SUS) and the Maze application to usability testing and analysed using the SUS Score and Maze Score. Meanwhile, qualitative data were collected through user interviews and analysed using thematic analysis. This study resulted in three main features including courses management, KWL, and dashboard. The results of user acceptance testing and usability testing were with a score of 100% and a SUS score of 69 (Good category), respectively. The results of the study indicate that K-Owl is a promising platform to support active learning.
Offline-Capable Mobile Application: A Systematic Literature Review of Research Trends, Synchronization Mechanisms, UI/UX Patterns, and Usability Evaluation Ningrum, Nenden Citra Softwatul; Nan Cenka, Baginda Anggun; Santoso, Harry Budi
Ranah Research : Journal of Multidisciplinary Research and Development Vol. 8 No. 3 (2026): Ranah Research : Journal Of Multidisciplinary Research and Development
Publisher : Dinasti Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/rrj.v8i3.2058

Abstract

Limited internet connectivity in developing regions creates a significant digital divide and hinders the adoption of essential digital services in sectors such as health, agriculture, finance, education, and sustainability. This study presents a Systematic Literature Review (SLR) that is sought in the range of 2018-2025, with nine selected studies to synthesize research trends, technical approaches, UI/UX patterns, and evaluation methods on mobile applications that support offline mode. The results of the analysis show that there is an increase in research attention in the 2021–2025 period and show that mobile applications with offline capabilities are relevant in various domains. From a technical point of view, offline support is generally achieved through local storage mechanisms, delayed synchronization, and data integrity controls such as hashing and validation. From a UI/UX perspective, explicit connection status labels, local save confirmations, and sync summaries play an important role in increasing system transparency and maintaining user trust. In addition, recent studies have begun to adopt a broader evaluation approach, including PACMAD-based assessments and scenario-based simulations to test the resilience of systems under conditions of limited or unavailable connectivity. These findings provide practical insights for designers and developers in building mobile applications that are resilient, inclusive, and capable of supporting users in environments with limited network infrastructure.
Co-Authors Agnes Audya Tiara P Ardanisa Rachma Avelia Diva Zahra Harry B. Santoso Harry Budi Santoso Ningrum, Nenden Citra Softwatul