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MUSTAMIN IDRIS
PGSD, FKIP, Universitas Tadulako
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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.
Application of Nusa and Rara Audio Visual Media in Planting Religious Character of Children in Group B Aba KindergartenTirtajaya Amik, Zakiah Magfiratul; Rahayu, Meggi; Idris, Mustamin; Ayuningtias, Fitriani; Salam, Abdul
Sinergi International Journal of Education Vol. 3 No. 2 (2025): May 2025
Publisher : Yayasan Sinergi Kawula Muda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61194/education.v3i2.764

Abstract

The problem in this research is how to instill religious character in group B1 children through the animated audio visual media Nussa and Rara. This research is Classroom Action Research (PTK) which applies audio-visual media in cultivating children's religious character. Subject this research is child group B1 TK ABA Tirtajaya Regency Banggai Which amounted to 10 child, 5 man And 5 Woman. Study This done in two cycle Which each consists from two meeting session. Activity learning consists from four level that is planning, implementation activity, observation And reflection. Method collection data through interview, sheet observation And documentation. After that, data analyzed with method descriptive-qualitative And descriptive-quantitative. At the pre-action stage, the percentage of classical completeness obtained was 10% or consisted of 1 child who was included in the BSB (Very Well Developed) category and as many as 9 children did not meet these criteria. Furthermore, the classical completeness percentage was obtained at 30% or 3 children in the BSB (Very Well Developed) category and 7 children had not met these criteria in the first cycle of action, meeting I, then the researcher carried out the first cycle of meeting II and obtained classical completeness of 50%, which means they did not meet the standard of classical learning completeness set at 75% and caused the researcher to continue the research action to the next cycle. In the second cycle of the first meeting, the researchers found that there were 7 children included in the BSB (Very Well Developing) category with a percentage of classical completion obtained of 70%, while in the second cycle of the second meeting the researchers found 9 children included in the BSB (Very Well Developing) category and 1 child in the BSH (Developing According to Expectations) category. It can be concluded that the application of audio visual media can instill religious character in the children of group B1 TK ABA Tiertajaya, Banggai Regency.
Analysis of Students' Errors in Solving Algebraic Story Problems Based on Newman's Procedure: A Case Study in Junior High School Saputra, Sandy; Anggraini, Anggraini; Sugita, Gandung; Idris, Mustamin
Jurnal Pendidikan MIPA Vol 26, No 1 (2025): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpmipa.v26i1.pp305-326

Abstract

This study aims to obtain a description of student errors in solving algebraic form story problems based on Newman's procedure in junior high school. This type of research is descriptive using a qualitative approach. This research uses Newman's error analysis. The subjects of this study were three students, each of whom had high mathematical ability (ST), medium mathematical ability (SS), and low mathematical ability (SR) selected from class VIII W.R Supratman based on the report card value of mathematics class VII odd semester 2023/2024. The results of this study are as follows: Students with high mathematical ability (ST) tend to make mistakes at the reading stage by not reading the problem completely, especially the symbol "Rupiah," and at the writing/notation (encoding) stage by not writing the conclusion and the symbol "Rupiah". Students with moderate mathematics ability (SS) made mistakes at the comprehension stage by not writing and mentioning the question information completely, the transformation stage by making an incorrect mathematical model, and the writing/notation (encoding) stage by not writing the "Rupiah" symbol. Students with low mathematics ability (SR) made mistakes at almost all stages: reading by not mentioning the Rupiah symbol and not reading the complete problem, comprehension by not writing and mentioning the problem information completely, transformation by making an incorrect mathematical model, process skills with calculation errors, and writing/notation (encoding) by not writing the Rupiah symbol and the correct conclusion. This research shows the importance of understanding the problem thoroughly, making the right mathematical model, and writing complete notations and conclusions in solving mathematical problems, the results of this study are expected to contribute to the improvement of the mathematics learning process, both from the teacher and student side, so as to improve students' mathematical problem solving skills, especially in the material of algebraic form story problems.       Keywords: problem solving errors, math skills, algebraic story problems, newman procedure.
Penerapan Pendidikan Inklusif Terhadap Perkembangan Sosial Emosional Anak Di TK Aisyiyah 1 Baolan Kabnpaten Toli-Toli Eka; Mustamin Idris; Nurhaeda
ECEIJ (Early Childhood Education Indonesian Journal) Vol. 6 No. 2: Mei 2023
Publisher : ECEIJ (Early Childhood Education Indonesian Journal)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31934/eceij.v6i2.8136

Abstract

Penerapan ini bertujuan untuk Mendeskripsikan Penerapan Pendidikan Inklusif Terhadap Perkembangan Sosial Emosional Anak Di TK Aisyiyah 1 Baolan Kabupaten Toli-Toli. Penelitian ini menggunakan metode penelitian kualitatif. Subjek sasaran penelitian ini yaitu kepala sekolah TK Aisyiyah 1 Baolan Kabupaten Toli-toli, pendidik kelompok B3 TK Aisyiyah 1 Baolan Kabupaten Toli-toli dan wali murid peserta didik kelompok B3 TK Aisiyah 1 Baolan Kabupaten Toli-toli. Teknik pengumpulan data dalam penelitian ini dilakukan melalui observasi, wawancara, dan dokumentasi. Teknik analisis data menggunakan analisis deskriptif. Berdasarkan hasil penelitian dapat disimpulkan bahwa : pendidikan Inklusif sangat penting terhadap perkembangan sosial emosional anak, untuk mendorong anak-anak berinteraksi dengan teman sebaya tanpa memandang perbedaan. Anak-anak dalam pendidikan inklusif lebih cenderung menunjukkan empati, kerja sama, dan kemampuan berinteraksi dengan teman sebaya secara positif. Selain itu mereka juga lebih mampu mengenali dan mengungkapkan emosi mereka sendiri serta emosi orang lain. Penelitian ini menyimpulkan bahwa penerapan pendidikan inklusif memiliki dampak positif yang signifikan terhadap perkembangan sosial emosional anak.
Differences in the Application of Problem-Based Learning and Discovery Learning Models on Students’ Mathematical Problem-Solving Abilities from Mathematic Initial Abilities Students of 1 Mamosalato State Senior High School Djafar, Yuniarti H; Rochaminah, Sutji; Idris, Mustamin
Numerical: Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 1 (2024)
Publisher : Universitas Ma'arif Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25217/numerical.v8i1.4116

Abstract

This research was intended to clearly describe the differences in mathematical problem-solving abilities about initial mathematical abilities by applying the Problem-Based Learning and Discovery learning models. The research design employed a quantitative approach. The sample of this research was students of SMA Negeri 1 Mamosalato, Grade XI MIA 1, as the first and second experiment classes were XI MIA 2. This research applied an experimental method with a factorial design of 2 x 3. The instrument was administered to collect data to test initial mathematic ability and mathematical problem-solving abilities—data was analyzed in two ways: ANOVA and Tukey test (LSD test). The findings of the research were (1) there were differences in mathematical problem-solving abilities by applying the Problem-based Learning Model and Discovery Learning Model, (2) there was no interaction between the learning model and initial mathematical abilities on mathematical problem-solving abilities, (3) there was difference in students mathematical problem-solving abilities by applying Problem-based Learning Model and Discovery learning Model, especially to high initial mathematical abilities, middle initial mathematical abilities, as well as low initial mathematical abilities.
The effectiveness of the learning models and students’ critical thinking skills on mathematics learning outcomes in tangent lines to a circle Ropang, Marlita; Mustamin Idris
Desimal: Jurnal Matematika Vol. 8 No. 3 (2025): Desimal: Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/djm.v8i3.202528708

Abstract

Discovery learning was a learning model that encouraged students to actively construct their own knowledge, while critical thinking skills were essential for analyzing, reasoning, and solving mathematical problems. This study aimed to (1) determine whether there was a difference in mathematics learning outcomes between students taught using the discovery learning model and those taught using a conventional learning model and (2) determine whether there was a difference in mathematics learning outcomes between students with high and low critical thinking skills. The results showed that: (1) the discovery learning model was more effective than the conventional model in improving students’ mathematics learning outcomes (p = 0.019 < 0.05); (2) critical thinking skills had a significant effect on students’ mathematics learning outcomes (p = 0.040 < 0.05); (3) the combination of discovery learning and critical thinking skills provided better effectiveness, as students with both high and low critical thinking skills in the experimental class achieved relatively higher learning outcomes compared to those in the control class.
PROFIL PEMECAHAN MASALAH SISTEM PERSAMAAN LINEAR DUA VARIABEL SISWA KELAS VIII SMP NEGERI 4 PALU Fachri; Nurhayadi; Mustamin Idris
Jurnal Elektronik Pendidikan Matematika Tadulako Vol. 10 No. 1 (2022)
Publisher : Universitas Tadulako

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Abstract

Makalah ini mendeskripsikan pemecahan masalah sistem persamaan linear dua variabel siswa kelas VIII SMP 4 Palu mengacu pada langkah pemecahan masalah menurut Polya. Subjek penelitian ini adalah Dua orang siswa kelas VIII Rambutan SMP Negeri 4 Palu pada semester ganjil tahun ajaran 2021/2022. Dua orang siswa yang dipilih sebagai subjek penelitian terdiri dari siswa berkemampuan tinggi dan berkemampuan rendah. Pengumpulan data dalam penelitian ini menggunakan metode tes dan wawancara. Hasil penelitian menunjukkan bahwa profil pemecahan masalah sistem persamaan linear dua variabel siswa berkemampuan tinggi mencapai : 1) Tahap Memahami, (2) Tahap Membuat Rencana, (3) Tahap Melaksanakan Rencana, (4) Tahap Memeriksa Kembali. Sedangkan profil pemecahan masalah sistem persamaan linear dua variable siswa berkemampuan rendah mencapai (1) Tahap Memahami, (2) Tahap Membuat Rencana
ANALISIS KESALAHAN SISWA PADA SOAL CERITA VOLUME PRISMA BERDASARKAN TEORI NEWMAN DI KELAS VIII SMPN 20 PALU Nur Safitri; Mustamin Idris; Muh. Hasbi; Sutji Rochaminah
Jurnal Elektronik Pendidikan Matematika Tadulako Vol. 10 No. 1 (2022)
Publisher : Universitas Tadulako

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Abstract

Penelitian ini bertujuan untuk memperoleh deskripsi jenis-jenis kesalahan dan faktor-faktor penyebab kesalahan yang dilakukan oleh siswa kelas VIII SMPN 20 Palu dalam mengerjakan soal cerita volume prisma berdasarkan teori Newman. Jenis penelitian ini adalah deskriptif dengan pendekatan kualitatif. Data yang diperoleh dari penelitian adalah hasil pekerjaan siswa dan wawancara. Hasil penelitian ini menunjukkan bahwa 1) subjek NI dan RV tidak melakukan kesalahan membaca. (2) Subjek NI dan RV melakukan kesalahan memahami dikarenakan siswa memiliki kebiasaan menyelesaikan soal cerita tanpa menuliskan apa yang diketahui dan ditanyakan. (3) kesalahan transformasi dilakukan oleh dilakukan oleh subjek NI terjadi akibat dari kurangnya latihan dalam mengerjakan soal-soal bentuk cerita dengan variasi yang berbeda yang membuat siswa merasa kebingungan ketika mendapatkan soal cerita yang belum dikerjakan sebelumnya (4) kesalahan kemampuan proses dilakukan oleh subjek NI dan RV disebabkan kurangnya pemahaman siswa terhadap materi prasyarat baik sifat, rumus dan prosedur pengerjaan merupakan penyebab terjadinya kesalahan kemampuan proses. Adapun kesalahan terakhir adalah (5) Kesalahan penulisan jawaban akhir, kesalahan ini dilakukan oleh subjek RV kesalahan ini terjadi dikarenakan siswa melakukan kesalahan pada tahap sebelumnya sehingga siswa tidak dapat menlanjutkan jawaban pada tahap selanjutnya.
PENERAPAN MODEL PEMBELAJARAN BERBASIS MASALAH MENGGUNAKAN PENDEKATAN TUTOR SEBAYA UNTUK MENINGKATKAN HASIL BELAJAR SISWA SMK NEGERI 2 PALU PADA MATERI MATRIKS: The Implementation of Problem-Based Learning Models Using Peer-Tutor Approaches to Improve Student Learning Outcomes SMK Negeri 2 Palu on Matrix Material Idris, Mustamin; Nisa, Ainun
Jurnal Elektronik Pendidikan Matematika Tadulako Vol. 11 No. 1 (2023)
Publisher : Universitas Tadulako

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Abstract

This study aims to obtain a description of the application of the problem based learning model using a peer tutor approach to improve student learning outcomes for SMK Negeri 2 Palu on the matrix material. The subjects of this study were students of SMK Negeri 2 Palu, totaling 34 students and six students were selected to serve as tutors and three students were selected as informants and formed 6 heterogeneous study groups. The results showed that there was an increase in student learning outcomes on matrix material in SMK Negeri 2 Palu by following the problem based learning steps, namely : 1) Student orientation to the problem, 2) Organize students for learning, 3) Guide individual/group experience, 4) Developing and presenting the work, 5) Analyze and evaluate the problem solving process. Improved student learning outcomes have met indicators of the success of research actions in cycle 1 and cycle 2, obtained from the final tests of the actions of cycle 1 and cycle 2 as well as interviews with informans. In addition, the data on the observation of teacher activities in processing learning and student activities in participating in learning which can be seen from the observation results sheet increased to be very good. Based pn the data from the study, it can be concluded that the application of a problem based learning model can improve the learning outcomes of SMK Negeri 2 Palu students on matrix material.
PENERAPAN MODEL PEMBELAJARAN KOOPERATIF TIPE TWO STAY TWO STRAY (TSTS) UNTUK MENINGKATKAN HASIL BELAJAR SISWA PADA MATERI ARITMATIKA SOSIAL DI KELAS VIIB SMPN 7 PALU: Application Of Cooperative Learning Model Type Two Stay Two Stray (Tsts) To Improve Students' Learning Outcomes On Social Arithmetics Material In Class Viib Smpn 7 Palu Kadong, Ekslesya Evangelin; Idris, Mustamin; Hasbi, Muh.
Jurnal Elektronik Pendidikan Matematika Tadulako Vol. 11 No. 3 (2024)
Publisher : Universitas Tadulako

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Abstract

The purpose of this research is to describe the application of the Two Stay Two Stray (TSTS) type of cooperative learning model in the social aritmhmetic material which can improve the learning outcomes of VIIB grade students of SMPN 7 Palu. The research design refers to the design of Arikunto, which consists of 4 components, namely: (1) planning, (2) acting (3) observing and (4) reflection. The data collected is in the form of teacher and student activity data through observation sheets, interview results, and field notes. This research was conducted in two cycles totaling 18 students. The results showed that the application of the cooperative learning model type TSTS can improve the learning outcomes in the social arithmetic material in class VIIB students of SMPN 7 Palu by following the steps as follows: (1) preparation for learning, (2) conveying information, (3) organizing students into cooperative groups, (4) thinking together, (5) evaluating, (6) giving awards.
Co-Authors Abdul Munir Ahmad Ahmad Ahmad Ahmad Aisun, Putri Alfisyahra, Alfisyahra Amelia, Reski Amik, Zakiah Magfiratul Andryanto Tahir Anggraini Anggraini Anggraini Anggraini Annisa Marpudin Annisa, Marsiana Dwi Arsyad Said Aryanto Aryanto Asis, Nurasia Asri Hente Babe, Agustina Baharuddin Paloloang Baharuddin Paloloang Bahraeni Bakri M Bakri Mallo Busra Busra, Busra Darmiati Darmiati Dasa Ismaimuza Dasa Izmaimusah Dewi, Arum Resiana DIAN APRIANI Didit Dermawan Djafar, Yuniarti H Eka Fachri Fajriani Fitriani Ayuningtias Gandung Sugit Gandung Sugita Gita Destiana Hamka Haryati Ruslan Holyness Nurdin Singadimedja I Nyoman Murdiana I Nyoman Murdiana Ibni Hadjar Ibnu Hajar Ike A Budiman Indah Suarni Ira Kusnia Vani Jaeng, Maxinus Jaeng, Maxinus Kadong, Ekslesya Evangelin Karniman, Tegoeh S. Lembang, Ulvina Tangke Linawati Linawati Lumi, Jesica Lupna, Lupna Maisaroh Maisyarah Maisyarah Maisyarah Marinus Barra Tandiayuk Masruri Masruri Masruri Maxinus Jaeng Meilando, Reksy Meinarni, Welli Meldawati Simaa Mirnawati Mirnawati Mirnawati Muin Moh. Zain Muh Hasbi Muh. Hasbi Muh. Hasbi Muh. Rizal Muh. Rizal Muh. Rizal Muhammad Azwar Muhammad Rivai Muin, Mirnawati Nisa, Ainun Norma Norma Norma Nur Awalia Nur Hayatin Nur Inayah Nur Safitri Nurhaeda Nurhaliza, Saripa Nurhayadi Nurhayadi Nurmala Nurmala Nurmasita M. Saahi Nurul Afiyah Nurul Agmita L Nurul Alfahira Nurul Hikmah Pathuddin Pildayani Pildayani, Pildayani Qitra Sandi Rahayu, Meggi Rahim, Nur Mei Sakin Ramadhan Asilaka Reksy Meilando RENAWATI, RENAWATI Rifai, Mohammad Rifal, Mohammad Riska Riska Riska Rita Lefrida Rizal, Muh Rizal, Muh Rohmah, Zakiah Ropang, Marlita Rosyidah, Anni Syakhiyatur Ruslan, Haryati Sali, Elisabet SANDY SAPUTRA Sari, Triana Meida SATRIYAS ILYAS SITTI ZAHRA Sri Mastuti Suarni, Indah Sukayasa Sutji Rochaminah Tahir, Andryanto Teguh Purnomo Teguh Purnomo, Teguh Triana Meida Sari Vani, Ira Kusnia Welli Meinarni Widiastuti, Ira Yuni Rahma Tanti Yuyun Selasti Zain, Moh. Zakiah Rohmah Zidan H.L, Moh. Zuhaina