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Dadan Dasari

Univeritas Pendidikan Indonesia

Author-ID : 2838049

Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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The impact of high school students’ enthusiasm for game-based learning (GBL) on their enthusiasm for mathematics learning Panjaitan, M. Azhari; Dasari , Dadan
Jurnal Gantang Vol 9 No 2 (2024): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v9i2.6923

The low interest of students in mathematics learning can negatively impact their academic performance. Game-based learning has been implemented to increase students' interest and enthusiasm for studying mathematics. This study aims to analyze the impact of high school students' enthusiasm for game-based learning on their enthusiasm for mathematics learning. The research uses a quantitative method through an online questionnaire distributed to 216 West Sumatra and North Sumatra high school students. Data were analyzed using binary logistic regression to understand the effect of game-based learning on students' enthusiasm for mathematics. The results show that students' enthusiasm for game-based learning through traditional and online games significantly influences their interest in mathematics learning, with a model accuracy rate of 90.7%. Additionally, the game-based learning approach boosts students' interest and facilitates collaboration and critical thinking skills. This study concludes that game-based learning is an effective method for enhancing students' enthusiasm for mathematics, and it is recommended that teachers integrate this approach into high school mathematics curricula.

Exploration of high school students' sentiments and emotions towards mathematics: Linked to learning outcomes Silitonga, R. H. Yanti; Dasari, Dadan; Dahlan , Jarnawi Afgani
Jurnal Gantang Vol 9 No 2 (2024): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v9i2.6953

Mathematics research often focuses only on students' learning outcomes without considering their emotional aspects. This study aims to describe the tendency of students' sentiment toward mathematics in general and partially based on mathematics learning outcome groups, namely high, medium, and low. In addition, a mood analysis was conducted using Ekman's Basic Emotion classification. Data collection techniques are questionnaires and documentation. The questionnaire contains open questions about students' opinions on mathematics and closed to queries for student demographics. Documentation is done by collecting test scores from student grade books. This study used a descriptive method with data in the form of 72 comments from grade XI high school students in Bandung City, which were analyzed using the Orange Application Sentiment Analysis. The results of the study showed that (1) student sentiment was generally dominated by positive sentiment at 72.22%, (2) positive sentiment also dominated the groups of students with high, medium, and low learning outcomes, with a percentage of more than 68%, and (3) the results of the classification of emotions based on Ekman's Basic Emotion indicated that "joy" was the most dominant emotion, while "anger" had the lowest frequency of occurrence. This study provides new insights regarding students' emotional aspects in mathematics learning, which can be used to improve teaching strategies.

Dampak Gaya Belajar dalam Menyelesaikan Soal Matematika Divergen yang Memuat Indikator Kemampuan Representasi Matematis Saputra, Andari; Dasari, Dadan; Priatna, Nanang
SAP (Susunan Artikel Pendidikan) Vol 9, No 2 (2024)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30998/sap.v9i2.23592

Each student represents mathematical concepts uniquely. Therefore, this study aims to investigate how variations in students' learning styles impact their ability to solve divergent problems that measure their capacity in mathematical representation. This study utilized a one-way ANOVA test and quantitative methodology. A total of 23 eighth-grade students from one of the junior high schools in Bandung were sampled. They were selected on Tuesday, April 30, 2024, from 94 eighth-grade students using a simple random sampling technique. Learning style questionnaires and mathematical representation ability tests with divergent geometry and linear equation problems were used to collect data. The results showed that learning style, at the 5% significance level, affected symbolic mathematical representation ability yet it did not affect verbal or visual mathematical representation ability. Students with visual learning styles performed best when answering problems using symbolic mathematical representation ability, based on further investigation using post hoc tests.

Indonesian Students’ Numeracy Skills Based On PISA Mathematical Problems In Secondary School: A Meta-Synthesis Marhami, Marhami; Juandi, Dadang; Dasari, Dadan
Jurnal Pendidikan MIPA Vol 25, No 1 (2024): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract: Objectives: This study aimed to describe the Indonesian students’ numeracy skills in secondary school in solving PISA mathematical problems based on four contents namely space and shape, change and relationships, quantity, uncertainty and data. Methods: A meta-synthesis was used in this study. The final 18 articles used in this study which were published in national and international journals in 2016 to 2023, obtained from databases in Publish or Perish software. This entire articles use descriptive qualitative research that describes the numeracy abilities of Indonesian students in solving PISA model questions. The included studies were structured using the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) 2020 flow diagram and analyzed using Braun & Clarke's six-step thematic analysis. Finding: The results of this study indicate that overall Indonesian students in secondary school still have difficulties in using mathematical operation, understanding problems, using strategies, and interpreting the results of solving the PISA model questions in terms of space and shape, change and relationships, quantity, uncertainty, and data content. Conclusion: Numeracy skills are fundamental for students to navigate and solve problems effectively, especially in assessments like PISA. Teachers were recommended to frequently provide non-routine problems like the PISA model, which can explore students' numeracy skills, so that students become accustomed to solving high-level problems and their numeracy skills also improve. Keywords: numeracy skills, PISA mathematical problems, and meta-synthesis. DOI: http://dx.doi.org/10.23960/jpmipa/v25i1.pp14-26

The Effect of Prior Knowledge and Learning Motivation on Mathematics Learning Outcomes of Junior High School Students Rianto, Budi; Lutfi, Ahmad; Naser, Abdurrahman Do. Muhamad; Dasari, Dadan
Jurnal Pendidikan MIPA Vol 23, No 4 (2022): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar

This research aimed to analyze the effect of prior knowledge and learning motivation on the mathematics achievement of junior high school students. This research is a correlational study involving 30 respondents who were taken by cluster random sampling technique. The research instrument consisted of a prior knowledge test and a learning motivation questionnaire. The research data were analyzed using simple and multiple linear regression tests. The results showed that prior knowledge had a strong effect on mathematics achievement (correlation level 0.739) and learning motivation had a very strong effect on mathematics achievement (correlation level 0.806). The results of the multiple regression test show that the prior knowledge and learning motivation simultaneously strongly influence students' mathematics achievement (correlation level 0.837). The results of this study prove that prior knowledge and learning motivation are essential factors in supporting the success of the learning process.Keywords: prior knowledge, learning motivation, mathematics achievement.DOI: http://dx.doi.org/10.23960/jpmipa/v23i4.pp1876-1886

Learning Obstacles Hindering Junior High School Students Understanding of Surface Area of a Prism Siahaan, Erika Yohanna Seventina; Dasari, Dadan; Suryadi, Didi
Jurnal Pendidikan Progresif Vol 14, No 1 (2024): Jurnal Pendidikan Progresif
Publisher : FKIP Universitas Lampung

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Abstract: Learning Obstacles Hindering Junior High School Students Understanding of Surface Area of a Prism. Objectives: to reveal the learning obstacles experienced by students in learning the surface area of prisms. Methods: using a qualitative method with a phenomenological design on grade IX junior high school students in Bandung as many as 29 students. Data were analyzed with the stages of data reduction, data presentation, and conclusion drawing. Findings: The results showed that students did not understand the prerequisite materials needed to understand the concept of prism surface areas such as the area of flat buildings and the Pythagorean theorem. Teachers also do not familiarize students with practicing non-routine problems so as not to spur students to form their knowledge acquisition maximally. Conclusions: students experience learning obstacles that are ontogenic, didactic, and epistemological in solving mathematical problems regarding the concept of prism surface area. The implications of this research can be utilized by educators, prospective educators, or researchers in the future to provide solutions to student learning obstacles in understanding the concept of prism surface area. Keywords: concept of prism surface area, geometry, mathematics, learning obstacles.DOI: http://dx.doi.org/10.23960/jpp.v14.i1.202413

Analysis of the influence of the existence of national exams, school origin, and tutoring on mathematics motivation using decision tree Abadi, Ma'ulfi Kharis; Dasari, Dadan; Fatimah, Siti; Hendriyanto, Agus
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 13 No 1 (2025)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v13i1.18743

Mathematics is essential as it forms the foundation for sciences applied in the real world. Students' success in learning mathematics is crucial and must be prioritized. To understand and excel in mathematics, diligent study is required. Students who study diligently are often motivated by external factors such as outcomes, targets, environment, and teachers. Enthusiasm serves as the driving force that fosters the desire to learn effectively. Thus, motivation is a critical and consistent factor that encourages students to study diligently, ultimately improving their mathematics learning outcomes. This study examines the influence of school origin, national exams (UN), and tutoring on students' motivation to learn mathematics. The research involves a preliminary study, data collection, and analysis using a decision tree with the help of the Orange application. The results indicate that high motivation levels are more common among students attending public schools and those influenced by the presence of national exams. The findings of this study should be utilized by the government to enhance students' learning motivation and significantly improve mathematics learning outcomes. The study suggests targeted actions, including equitable resource allocation, alternative evaluation systems, teacher training, and enhanced counseling services, to effectively boost students' learning motivation and improve the overall quality of education. This research contributes by providing empirical evidence on the factors influencing students' motivation to learn mathematics, offering insights that can inform policies and interventions aimed at fostering a more effective and engaging learning environment.

Systematic Literature Review: Kemampuan Pembuktian Matematis Dewi, Niken Shofiana; Dasari, Dadan
Jurnal Cendekia : Jurnal Pendidikan Matematika Vol 7 No 1: Jurnal Cendekia: Jurnal Pendidikan Matematika Volume 7 Nomor 1 Tahun 2023
Publisher : Mathematics Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cendekia.v7i1.1987

Penelitian kajian literatur terkait kemampuan pembuktian matematis belum pernah dilakukan sebelumnya. Tujuan dalam penelitian ini adalah menganalisis studi-studi kualitatif terkait kemampuan pembuktian matematis pada tahun 2015-2022. Metode penelitian yang digunakan adalah Systematic Literature Review (SLR) dengan protokol PRISMA terhadap semua artikel hasil penelitian yang terindeks dalam Google Scholar, Garuda, ERIC, dan Semantic. Strategi pencarian disesuaikan dengan kriteria seleksi dan melibatkan beberapa variabel moderator yaitu tahun publikasi, jenjang pendidikan, indeks jurnal, materi penelitian, dan jenis pembuktian yang diteliti. Data yang diperoleh disajikan secara deskriptif kuantitatif. Hasil dalam penelitian SLR ini memperlihatkan bahwa studi terkait kemampuan pembuktian matematis relatif mengalami peningkatan meski sempat turun pada tahun 2019 dan 2021. Studi mayoritas dilakukan pada jenjang perguruan tinggi dan didominasi materi aljabar. Jenis pembuktian yang sering diteliti adalah pembuktian langsung. Saran untuk peneliti selanjutnya adalah studi lebih lanjut terkait kemampuan pembuktian di jenjang sekolah menengah dengan materi geometri serta jenis pembuktian lainnya.

Systematic Literature Review: Identitas Matematika dalam Pembelajaran Matematika Ridho, Muhamat Hidayatul; Dasari, Dadan
Jurnal Cendekia : Jurnal Pendidikan Matematika Vol 7 No 1: Jurnal Cendekia: Jurnal Pendidikan Matematika Volume 7 Nomor 1 Tahun 2023
Publisher : Mathematics Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cendekia.v7i1.1989

Identitas dalam penelitian pendidikan semakin banyak dimanfaatkan khususnya dalam mendeskripsikan dan mengeksplor kegigihan seorang peserta didik dalam memahami suatu materi. Kaitannya dengan konteks matematika, Identitas merupakan hasil deskripsi dari bagaimana seorang peserta didik dipandang sebagai seseorang yang ‘memiliki matematika’ (math person) oleh orang lain ataupun diri individu itu sendiri. Dengan demikian, siswa dan guru membutuhkan peningkatan identitas matematika agar mendapatkan karakter matematika yang kuat dan abadi dalam mengaplikasikan konsep-konsep matematika. Artikel ini menyajikan systematic literature review (SLR) tentang identitas matematika yang diterbitkan dalam lima tahun terakhir. Penelitian ini telah mengumpulkan informasi dan hasil studi peneliti dari seluruh dunia untuk memberikan gambaran umum tentang penelitian identitas matematika dalam pembelajaran matematika di sekolah. Pertanyaan kunci dalam penelitian ini adalah bagaimana artikel ini didistribusikan berdasarkan tahun publikasi, jenjang pendidikan, metode, kerangka konseptual identitas matematika, dan ukuran tingkatan identitas matematika. Penelitian ini berpedoman pada Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) yang menghasilkan artikel penelitian untuk ditinjau secara sistematis. Hasil penelitian menunjukkan bahwa studi terkait identitas matematika pada tahun 2019 dan 2020 merupakan masa berkembangnya publikasi artikel terkait identitas matematika di jurnal internasional yang bereputasi, para peneliti lebih tertarik untuk melakukan penelitian identitas matematika di tingkat sekolah dasar, sebagian besar studi tentang identitas matematika menerapkan metode kualitatif menggunakan wawancara sebagai instrumen kunci dalam mengungkap dan mendeskripsikan identitas matematika seseorang.

Development of Mathematics Didactic Design with Integration of Peer Instruction Regarding Representational Ability of High School Students Komala, Elsa; Suryadi, Didi; Dasari, Dadan
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 5, No 2 (2021): October
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jtam.v5i2.5172

This study focuses on the ability of representation with the integration of peer instruction which was developed through didactic design development research. The purpose of this research is to develop a didactic design in the form of learning tools, which are referred to in this study, namely: Lesson Plans, Teaching materials in the form of Student Worksheet in the form of student guides containing material information, sample questions, and practice questions. According to the problems experienced by students related to the ability of representation. The process of developing learning tools using Didactical Design Research (DDR), consists of didactic situation analysis, metapedadidactic analysis, and retrospective analysis. The didactic design developed was validated by 3 experts, namely 1 mathematics education lecturer and 2 high school mathematics teachers. The results showed that the learning plans were obtained in the form of a didactic design in the form of lesson plans that integrated peer instruction and worksheets for 8 meetings with the overall results of each aspect of the learning device being analyzed descriptively by revising the didactic design based on input and notes from the validator. Mathematics didactic design in high school to minimize learning obstacles related to students' representational abilities, includes 1) The material begins with the introduction of problems that are suitable for the situation and even related to the context of daily life, providing an overview of the benefits of the material to be studied, 2) Strengthening the material prerequisites presented at the first meeting, 3) Integrating peer instruction in the implementation of mathematics learning, 4) Providing scaffolding at the time of learning, 5) Student work and assignments are corrected and confirmed directly. In addition, the process of strengthening the visual representation process, modeling or mathematical expression, and the process of making written words presented on the worksheets is also carried out. Thus, the mathematical didactic design with the integration of peer instruction has provided appropriate learning activities; the purpose, depth and accuracy of the concepts and materials presented are traceable, communicative, the clarity of the images and spelling is appropriate, there is no correction given by the validator, so it can be implemented with the aim of developing students' mathematical representation abilities.

Co-Authors Aan Hasanah Abdurrahman do muhamad Naser Abdurrahman Do. Muhamad Naser Ahmad Lutfi AHMAD LUTFI Ahmad Mukhibin Alliseu Umiyati Ambarwati, Dela Arili, Neza Zakiya Aswin Aswin Atika Defita Sari Bahar, Afipa Amalia bambang avip Priatna Budi Rianto Christina Monika Christina Monika Samosir Dadang Juandi Dadang Juandi Dadang Junadi Darhim Darhim Dela Ambarwati Desy Lusiyana, Desy Dewi, Niken Shofiana Didi Suryadi Didi Suryadi Didi Suryadi Didi Suryadi Didi Suryadi Dika Faiz Himmawan Drajat, Widi Rahmawati Edi Supriyadi Eka Khairani Hasibuan Elah Nurlaelah Elah Nurlaelah Elsa Komala Elsa Komala, Elsa Enjun Junaeti Erika Yohanna Seventina Siahaan Fadhil Zil Ikram Fatmiyati, Novita Febrianti, Tri Sedya Fitri, Rahmia Mulya Fitria Maghfiroh, Fitria Fitria, Nida Fitriani agustina Fitriasari, Putri Fitriyah, Yuni Freddy Prasetyo Freddy Prasetyo, Freddy Gita Rani Putri Mangiri Gita Safitri Gunadi, Farid Hafilah, Putri Harahap, Maulana Al Aziz Hendriyanto, Agus Hidayat, Azhar Majid Himmawan, Dika Faiz Husna Fatwana Ilham Muhammad Ilham Muhammad Inayah, Clara fadhilah Inayah, Sarah Jarnawi Afgani Dahlan Jozua Sabandar Junaeti, Enjun Khofifa Romaito Siregar Laia, Harun Onesimus Lethulur, Nelma Dortje Lia Ardiansari Lina Nurhayati Lomri, Yani Astika Lubis, Asep Ridwan Lucky Heriyanti Jufri, Lucky Heriyanti Lukman hakim muhaimin Lukman Lukman Lutfi, Jasmine Salsabila Magdalena Wangge Mansyur, Azizul Jabbar Marchy, Febrinna Mardliyah, Syifa Marhami Marhami Marhami, Marhami Maria TSN Ma’ulfi Kharis Abadi Mitrayana Mitrayana Muhammad Fajar Anugrah Mulia Putra Nanang Priatna Nar Herrhyanto Naser, Abdurrahman Do. Muhamad ningrum, yunia jumita Nisa Azzahra Novita Fatmiyati Nurdiani, Nunung Nurdiani, Nunung Nurhayati, Hanifah Nurhayati, Lina Palupi Sri Wijayanti, Palupi Sri Panjaitan, M. Azhari Patrisius Afrisno Udil, Patrisius Afrisno Pujia Siti Balkist Putri, Mei Radia Rahmat Fitra Rahmat Kusharyadi Raisya Hizkiya Syabina Ramdhan Fazrianto Suwarman Rani Sugiarni Rayinda Khaerul Wiladah Bahrun Rianto, Budi Ridho, Muhamat Hidayatul Riki Andriatna Rita Novita Ritmayanti, Indah Rahmania Rizqi Dwi Maharani Rusyid, Husnul Khatimah Saffanah Pertiwi Safitri, Gina safitri, gita Sahara, Sani Samosir, Christina Monika Sani Sahara Saputra, Andari Saputri, Veni Sari, Atika Defita Sari, Merisa Ammelia Savitri, Gina Scristia, Scristia sholikhakh, Rizqi Amaliyakh Siahaan, Erika Yohanna Seventina Silitonga, R. H. Yanti Simanjuntak, Sinitta Simbolon, Asep Siswanto, Rizki Dwi Siti Fatimah Solehudin Solehudin Sri Hastuti Noer Sufyani Prabawanto, Sufyani Surya Kurniawan Swasti Maharani Syafdi Maizora Syaiful Syifa Mardliyah Tarmudi, Tarmudi Tatang Herman, Tatang Tri Nova Hasti Yunianta Turmudi Tuti Hartati Wahab A, Abdul Wangge, Magdalena Widyastuti Widyastuti Yani Astika Lomri Yaya S Kusumah Yaya S. Kusumah Yaya Sukjaya Kusumah

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