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Bakri Mallo
Universitas Tadulako
Biochemistry, Genetics & Molecular Biology Chemistry Education Electrical & Electronics Engineering Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Journal : Journal of Honai Math

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The impact of RADEC learning model on the problem-solving ability of high school students Mallo, Bakri; Idris, Mustamin; Nurhayadi; Pathuddin; Dasa Ismaimuza
Journal of Honai Math Vol. 8 No. 2 (2025): Journal of Honai Math
Publisher : Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/jhm.v8i2.822

Abstract

The low learning outcomes and problem-solving abilities of students in Palu City are the driving force for finding a student-centered learning model that can improve the problem-solving abilities of high school students in Palu City. This research method is a quasi-experimental design with an intact group comparison design consisting of two groups, namely the experimental class with the RADEC Model learning treatment with a differentiated learning strategy and the control class with direct learning models. The study population was 3656 students, while the sample was 186 students in the experimental class and 186 students in the control class. The researcher selected the sample by purposive random sampling technique. The instruments used were problem-solving ability tests and learning style questionnaires. Data were analyzed using t-test statistics and two-way ANOVA. The results showed that the RADEC learning model with a differentiated learning strategy had a greater impact when compared to the direct instruction model on the mathematical problem-solving abilities of high school students in Palu City, with a significance value of p = 0.000. The average score of problem-solving ability of students who follow the RADEC learning model is 79.63. While the average score of problem solving of students who follow the direct instruction model is 50.72 that the difference in the impact of the learning model is 28.91. The RADEC learning model does not have a different impact on the mathematical problem-solving ability of high school students in Palu city based on learning styles, so that teachers can implement it in classes that have heterogeneous students in terms of learning styles.
Co-Authors Abd. Hamid Abdul Hamid Abimanyu, Wisnu Aam Ahmad Ahmad Apriyanti Wulandari Asmar Asmar Asmar, Asmar Baharuddin Paloloang Baharuddin Paloloang Dasa Ismaimuza Debi Susilawati Deswati, Elvira Dewi Oktariani Didit Firmansyah Elin Rostriana Evie Awuy Evie Awuy Firmansyah, Didit Fitrianti Fitrianti Fitrianti Fitrianti, Fitrianti Gandung Sugita Geofana, Jeane Hardianti Hayah, Ni I Nyoman Murdiana I Nyoman Murdiana Ibni Hadjar Jeane Geofana Karniman, Tegoeh S. Khaeri, Fathul Laksono Trisnantoro Linawati Linawati Linawati Linawati Lusi Susilawati Mardatillah Mubarik Mubarik MUFIDAH Muh Hasbi Muh. Rizal Muh. Rizal Muhammad Rivai Mursyid, Baso Amri MUSTAMIN IDRIS Ni Hayah Niluh Putu Ayu Mecawati Nur Ainun Nurhayadi Nurulia Nurulia, Nurulia Pathuddin Pujiati Sari Rachmawiasari RATNA SARI Ratna Sari Riska Riska Rita Lefrida Rostriana, Elin Sari, Pujiati Sindi Geby Sintia Sudarman Bennu Sukayasa Susilawati, Lusi Sutji Rochaminah Tegoeh S. Karniman Tiska Tiska, Tiska Tri Endrawati Wisnu Aam Abimanyu Wulandari, Apriyanti