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Development of a PRODELIC-Based Instrument for Assessing Students’ Mathematical Literacy and Disposition Emas Marlina; Hartono; Wahyu Setyaningrum
Jurnal Kependidikan : Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran, dan Pembelajaran Vol. 12 No. 3 (2026): September (IN PRESS)
Publisher : LPPM Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jk.v12i3.20934

Abstract

This study aims to develop and validate a PRODELIC-based instrument for assessing students’ mathematical literacy and mathematical disposition, ensuring that the instrument demonstrates adequate validity and is suitable for evaluating these competencies in mathematics learning. This research method uses Design-Based Research (DBR) which consists of problem analysis, design and innovation development, cyclical repetition and implementation, and reflection evaluation. The research instrument is a validity instrument consisting of a validity assessment sheet for the PRODELIC learning model components and learning support tools. The data analysis used is qualitative and quantitative. The validity of the model, lesson plans, and worksheets was evaluated based on the assessment of experts and practitioners using the Aiken validity index. The results of the study showed that the Aiken's V value for all learning model component instrument items was in the range of 0.85 to 0.95, the lesson plan instrument was in the range of 0.9 to 0.95, and the worksheet was in the range to 1. These scores means that the model is valid and suitable for developing mathematical literacy and disposition. These findings indicate that the PRODELIC model and its supporting instruments are valid and suitable for mathematics learning aimed at developing students’ mathematical literacy and disposition. Theoretically, PRODELIC contributes an integrated framework that combines Deeper Learning and Project-Based Learning, while practically, it provides teachers with a structured approach for designing mathematics instruction that promotes mathematical literacy and disposition.
Bridging Culture and STEM Education: Developing a Tamansiswa-Grounded Project-Based Learning Model to Strengthen Mathematical Connections and Collaboration Skills Annis Deshinta Ayuningtyas; Sugiman; Kismiantini; Wahyu Setyaningrum
Jurnal Kependidikan : Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran, dan Pembelajaran Vol. 12 No. 3 (2026): September (IN PRESS)
Publisher : LPPM Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jk.v12i3.20823

Abstract

This study aims to develop and evaluate the initial feasibility of a culturally grounded STEM instructional model that incorporates the Tamansiswa educational philosophy, encompassing Tri N (Niteni, Nirokke, and Nambahi) and Tri Ko (Cooperative, Consultative, and Corrective), to scaffold project-based learning while fostering students’ mathematical connection and collaboration skills. Employing an Educational Design Research (EDR) approach, the study collected data through expert validation sheets, implementation observation sheets, response questionnaires, mathematical connection tests, and collaboration observation sheets. Expert validation was analyzed using Aiken’s V and feasibility percentages, while implementation fidelity was assessed using Interjudge Agreement (IJA). Effectiveness was evaluated using Normalized Gain (N-Gain) and, following Shapiro–Wilk normality testing, either the Wilcoxon signed-rank test with rank-biserial r or the paired-samples t-test with Cohen’s dz, as appropriate. The study comprised analysis, design, and evaluation phases, including validation by five experts and a small-scale pilot involving 30 eighth-grade students from two junior high schools in Yogyakarta. The model demonstrated very high validity (95.42%; Aiken’s V = 0.86–0.96) and good implementation fidelity (mean IJA = 89.49%). Statistically significant improvements were observed in students’ mathematical connection skills (Wilcoxon Z = 4.78, p < .001; rank-biserial r = 0.87; N-Gain = 0.44, moderate) and collaboration skills (t(29) = 14.62, p < .001; Cohen’s dz = 2.67; N-Gain = 0.41, moderate). These findings provide empirical evidence that indigenous educational philosophy can function as a coherent pedagogical foundation, rather than merely as supplementary cultural content, for integrated project-based STEM learning. The study also offers practical implications for curriculum developers seeking to design culturally responsive instructional frameworks.
Co-Authors Abdul Halim Abdullah Abdullah, Abdul Halim Abdullah, Abdul Halim Abu Yazid Raisal Adi Susanto Al Gafari, Muhamad Rizky Ali Mahmudi Ali, Mohamad Bilal Ali, Mohamad Bilal Aminuyati Annis Deshinta Ayuningtyas Aoyama, Kazuhiro Arif Sapta Mandala Ariyadi Wijaya Atmini Dhoruri Azizah, Nur Lailatul Caturiyati Caturiyati Caturiyati Depi Ardian Nugraha Dhoriva Urwatul Wutsqa Dita Aldila Krisma Dyah Ayu Puspita Ardani Edward E. Pandelaki, Edward E. Eka Purwanto , Ungsari Rizki Eka Purwanto, Ungsari Rizki Elly Arliani Emas Marlina Erlyanna Nur Risqi Ervina Lutfiyati Fabian, Khristin Fadilla Camellia Fanggidae, Janrino Junus Rivaldi Fitriana Yuli Saptaningtyas Franyoto, Yuvianti Dwi Gunawan Gunawan Guntur, Muhamad Ikhsan Sahal Habibie, Akmal Hibban Habibullah Habibullah Habibullah, Habibullah Hakim, Nur Akmalul Handayawati, Ponco Hartono Hartono Heri Retnawati Hery Nugroho, Hery Hidayati, Diah Nur Himmawati Puji Lestari I Bagiana Ika Puspitaningrum Ilham Rizkianto Inayati, Syarifah Indar Prabowo Inggri Ramadhani Widigda Irdatul Fitri Irsyad, Aan Nur Jailani Jailani Jaslin Ikhsan Kana Hidayati Kazuhiro Aoyama Khasanah Rahma Wati Kismiantini Kismiantini Koes Sundoro , Aries Koes Sundoro, Aries Kusmita , Lia Kuswari Hernawati La Ode Adin Hasrun Bici Laras Setyowati Loviga Denny Pratama Loviga Denny Pratama Loviga Denny Pratama Lubis, Shelly Lusyana, Evvy Maharani, Ika Dewi Fitria Mahmudah, Faisa Nirbita Mami Hastuti Margaretta, Shinta Bella Maria Ulfah Marsigit Marsigit Marsigit Mayang Purbaningrum Meilina, Dika Dwi Melda Datu Kalu Mohamad Bilal Ali Muhamad Rizky Al Gafari Muhammad Faisal Muhammad Fauzan Murdanu Mutmainah Mutmainah Myelnawan Myelnawan Nanny Setiawati Hadirahardja, Maria Caecilia Nasution, Sela Lufita Salim Nauqi Aprilia Putri Noordin, Muhamad Kahir bin Nopi Tri Utami Novi Andri Nurcahyono Nur Hadi Waryanto Nur Insani Nur'aini Muhassanah Nurhikmah Widi Asriani Nurul Indah Septianisha Nuthfah Faijah Pangestu, Saka Aji Pastoriko, Fransiskus Magnis Pratama, Loviga Denny Pratama, Loviga Denny Pulungan, Delyanti Azzumarito Purwoko, Agus Puspita, Geni Raden Rosnawati Ramadhan, Sahrul Rastuti, Musafir Ratna Rustina Ratri Murdy Andari Raudya Thauzahra Rhomiy Handican Risna Amelia Rohmah, Riska Nur Sahid Sahrul Ramadhan Salsabila, Nilza Humaira Saragih, Novilda Angela Shelly Lubis Shinta Bella Margaretta Simangunsong, Alfauzan Ramadhanny Sintia Wulandari Siti Munisih Siti Ruqoyyah Sofiatun, Isna Sri Andayani Sri Andayani Sri Suryaningtyas Sugiman Sugiman Sugiman Sugiman Sugiman Sugiman Sukaji Suprapti, Atik - Syukrul Hamdi Titi Adriani Hakim Tuharto Tuharto Vepi Apiati Vivi RR Rianto Widya Putri Adianto Yanuar Hery Murtianto Yanuarita, Heylen Amildha Ying, Chiang Yi Yosafat Ardian Kristiarta