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Heni Purwati
Fakultas Ilmu Budaya Universitas Brawijaya
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Keefektifan Model Discovery Learning Berbantu Media Digital Terhadap Kemampuan Pemecahan Masalah Ditinjau dari Kemampuan Awal Matematis Siswa SMP Aini, Annisa Rizqka Nurul; Purwati, Heni; Endahwuri, Dhian
Imajiner: Jurnal Matematika dan Pendidikan Matematika Vol 8, No 4 (2026): Imajiner: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/imajiner.v8i4.25408

Abstract

Mathematical problem-solving ability is a basic competency needed by students in the digital era. This study aims to test the effectiveness of the digital media-assisted Discovery Learning model on junior high school students' mathematical problem-solving abilities, especially their initial abilities. This study used a quasi-experimental method with a Nonequivalent Control Group Design. The subjects were eighth-grade students at SMP Negeri 29 Semarang, divided into a digital media-assisted Discovery Learning class and a conventional learning class. The instruments used were diagnostic tests and validated problem-solving ability tests. Data analysis included the Mann-Whitney U test, Spearman test, and Binomial test. The results of the Mann-Whitney U test showed a significant difference in problem-solving abilities between the two groups (p-value = 0.055). The average ranking of the experimental class was higher than the control class, strongly indicating superiority in stimulating problem-solving. The Spearman test produced a very strong coefficient (r = 0.969) between initial abilities and problem-solving outcomes in the experimental class, indicating the influence of initial abilities in the experimental class. The Binomial Test proved that 78.13% of students in the experimental class achieved both individual and class mastery, as indicated by a p-value = 0.0248 a = 0.05. The test instrument in this study needs to be improved when creating problem-solving-oriented diagnostic questions, adjusting the posttest time to suit the difficulty level and number of questions.
Co-Authors Adiwijayanti, Dewi Dwi Agung Handayanto Ahmad Nashir Tsalatsa Aini, Annisa Rizqka Nurul Ali Shodiqin Amalia, Ayu Rahma Amirlita, Rizka Amiruddini, Aula Aulia Amri Amri Anggit Nur Fikriani Anggraini, Baiq Aprilia Noor Arisul Ulumuddin Arvianto, Diky Kurniawan Aryo Andri Nugroho Aulya, Muhammad Rico Aurora Nur Aini Aurora Nur Aini, Aurora Bambang Agus Herlambang, Bambang Catherina Janes P, Catherina Damayanti, Safrida Dwi Dewi Ardiyanti, Novi Dewi Wulandari Dhian Endahwuri, Dhian Dina Prasetyowati Dina, Tersiana Indraswari Duwi Basuki Dwi Rahayuningsih Ekowati, Noer Hudha Elies Meilinawati SB Etik Khusniyati Faisal Ibnu Fajriyani Agustina, Ani Farida Nursyahidah Fitri Yuliawati, Fitri Fridanianti, Avinda Fridaniati, Kurnia FX. Didik Purwosetiyono Herliwati Herliwati, Herliwati Hikmah, Dewi Nurul Intan Indiati Kresni Winanti Kusnul Khotimah Lestari, Revita Dwi Lilik Ariyanto M. Sajidin, M. Maharani, Kartika Maharani, Kartika Maranatha, Maranatha Meilinawati, Elies Misbahul Munir Muhtarom Muhtarom, M Muzakki, M Saidul Nain Difinubun, Tis’a Noor Laila Khurniati Nugroho, Oky Pitoyo Nurina Happy prameswari, veryudha eka Rahmaningtyas, Farida Ramadhani, Ravi Akmar Ridho, Muhammad Ali Rif'ah, Hafidlotul Rinowati, Awaliyah Ristiyaningtiyas, Ariskha Rizky Esti Utami, Rizky Esti Rosyida & Titik Rahmawati, Novi Ruliani, Iva Desi Sa'diya, Lida Khalimatus Sabella, Viona Octadhea Salsabila, Zulfa Rinda Siska Pramasdyahsari, Agnita Sugiyanti Sugiyanti Sulaiman, Dini Sailin Nihla Putri Sumarti Sumarti Sumarti Supandi Supandi . Suprihatin Suprihatin Suseno, Y. Gatot Aji Sutrisno Sutrisno Sutrisno, Sutrisno Tria Wahyuningrum tyas, Riski wahyuning Umi Khasanah Utami, Namira Putri Utami, Risky Esti Wardani, Bayu Wicaksono, Febri Eko Windiarti, Windiarti Wiyaka Wuri, Dhian Endah Yanuar Hery Murtianto Zuhri, M. Saifudin