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Journal : Jurnal Penelitian Pendidikan IPA (JPPIPA)

Effective Solutions for Implementing Android-Based Computer-Based Testing (CBT) In Vocational High Schools as A Digital Assessment Innovation Siregar, Tiur Malasari; Armanto, Dian; Frisnoiry, Suci; Ruslan, Dede
Jurnal Penelitian Pendidikan IPA Vol 11 No 1 (2025): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i1.10155

Abstract

The rapid development of information technology currently demands a transformation in the education assessment system, especially in Vocational High Schools (SMK). One of the challenges faced is the limited facilities and infrastructure such as computer laboratories that are not comparable to the number of students, so that the implementation of computer-based test (CBT) is less than optimal. The aim is to develop an Android-based CBT assessment system that is integrated with the Case Method in the Business Economics subject in SMK. This innovation is designed so that students can take exams anytime and anywhere, without being constrained by limited computer devices or internship schedules. The ADDIE (Analysis, Design, Development, Implementation, and Evaluation) development method with the Waterfall Development Model approach to build the system. The developed system was validated by material and media experts, followed by small-scale and large-scale trials on class XI students of SMK Negeri 14 Medan. This Android-based CBT system is effective and feasible to use. In terms of usability, this system received a positive response from students, with high scores on indicators of ease of use, speed of access, and time efficiency. The integration of Case Method- based questions has also been shown to improve students' understanding in solving real problems in the field of Business Economics. The CBT system based on Android integrated with Case Method is able to be an effective solution to overcome the limitations of facilities and infrastructure in vocational schools. The implications provide significant contributions in supporting the digitalization of education and improving the quality of learning evaluation in schools.
Building an E-Learning System Calculating Pension Funds Using the Cox Ingersoll Ross Interest Rate Model Khairani, Nerli; Elfitra, Elfitra; Siregar, Tiur Malasari
Jurnal Penelitian Pendidikan IPA Vol 11 No 2 (2025): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i2.10198

Abstract

Pension funds play a crucial role in ensuring financial security in retirement, yet many individuals struggle with understanding and accurately calculating their future pension benefits. This research aims to provide an interactive learning platform that allows users to understand and calculate pension fund projections more accurately, by integrating the Cox Ingersoll Ross (CIR) interest rate model into the e-learning system, so as to improve users' financial literacy, especially in retirement planning. This study uses a Research and Development (R&D) approach with the ADDIE method, data through research instruments such as pre-test and post-test questionnaires, system usability assessment forms, semi-structured interview guides, and system usage observation sheets, which are then analyzed using descriptive and inferential statistical methods for quantitative data and thematic analysis for qualitative data. The results show the creation of an effective and user-friendly e-learning system for calculating pension funds, with the successful implementation of the Cox Ingersoll Ross interest rate model into the system, which resulted in a significant increase in user understanding of the concept of pension funds and the use of the CIR model. The developed e-learning system has proven effective in improving user understanding of pension fund calculations, with the use of the Cox Ingersoll Ross interest rate model providing more accurate and realistic projections, thus contributing significantly to improving user financial literacy, especially in the aspect of retirement planning.
Co-Authors Abil Mansyur, Abil Adelia, Febby Agung, Nurul Indah Klimey Aini, Putri Nur Andriani, Anjelika Anindya, Zahra Anjani, Najwa Annisa Fitri, Annisa Aprillia, Putri Aulia, Dilla Ulfa Ayu, Rara Tri Azizi, Muhammad Farhan Azmi, Nadya Banjarnahor, Theresia Banjarnahor, Theresia Anniversary Berliana Berliana Cantika, Aurelia Muna Chairad, Muhammad Chairad Chintya Intan Utari Damanik, Anro Gumero Dede Ruslan Dian Armanto Elfitra Elfitra Fadil, Jafri Syah Fadilah, Putri Maulidina Febriana Febriana, Febriana Fitriani Lubis Gamal Kartono Ginting, Arbaiti Br. Ginting, Diyan Ginting, Noventa Girsang, Echlesia Gultom, Latifah Hanum Gultom, Shafna Armiyah Gultom, Wida Bonor Hamida, Firda Novi Handayani, Safrika Harahap, Almaida Harahap, Delviananda Harahap, Nurul Febriyani Hasibuan, Ramadani Shohiro Helen, Widya Hijriyanti, Putri Hutapea, Nelly Kana Saputra S Khairani, Nerli Lubis, Sariyah Lumbanraja, Irga Manalu, Jhonatan Manik, Rohmendena Manik, Rohmendena S.P. Manik, Septriana Manik, Sola Gracia Manurung, Nesa Margareta, Agatha Sofia Marlan Marlan, Marlan Marsanda, Marsanda Michael, Grace Muhammad Rifai Nasution, Dhea Amanda Nasution, Hulwa Novita Sari Octora, Maya Oktavi, Amelia Sri PA, Esra Julita BR Padang, Mean Yulius Pakpahan, Eunike Pangaribuan, Margaret Panggabean, Suvriadi Panjaitan, Novia Adeliana Pardede , Brian Valdano Pardosi, Yesika T.S. Pardosi, Yesika TS Pasaribu, Yana Sebha Pratama, Muhammad Yoga Purba, Miranda Purba, Miranda Br Putri Andini, Putri Putri, Aulia Eka Putri, Taqiyyah Nabila Rahma, Fatiya Nur Ramadhan, Taufiq Ramadhani, Hanifa Putri RR. Ella Evrita Hestiandari Rumapea, Angel Stepany Rusnita, Ayu Novidaniati S, Aulia Intan Rachmawati Sabila, Siti Zahra Salza Billa, Rizky Feby Samura, Laras Hilda Saragih, Aprillia Saragih, Rini Meilani Saragih, Theresia Sembiring K, Monica Stevani Br Sembiring, Dian Wahyu Harmoni Siagian, Nita Pratiwi Siddik, Muhammad Sihaloho, Grace Sihaloho, Grace Christina Silitonga, Asni Simamora, Dian Simamora, Elmanani Simangunsong, Ingrid Simanjuntak, Hanna Suryani Simanungkalit, Donita Simbolon, Masri Endayanti Simbolon, Nur Anisa Sinaga, Merry Christin Sipahutar, Ilfa Zaimi Sirait, Linca Tesa Siregar, Budi Halomoloan Siregar, Rizki Aulia Rahma Siregar, Sutan Surya Darpan Sitompul, Morrines Elfrida Soraya, Hanifah Suci Frisnoiry Sulistiyani, Fani Sulvina, Ardilla Susanto, Nazwa Rizka Syakira, Risya Indah Tampubolon, Andreas Tania, Nabilla Syalita Tarigan, Fandy Franata Tobing, Sthepany Vemilia, Rinjani Wahidah, Khairunnisa Yasir, Padlan Zega, Nurhamidah