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Sufyani Prabawanto, Sufyani

Indonesia University Of Education

Author-ID : 580979

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Students' Difficulty in Understanding Problems in the Contextual Problem-Solving Process Samosir, Christina Monika; Herman, Tatang; Prabawanto, Sufyani; Melani, Rini; Mefiana, Syifa Ananda
PRISMA Vol 13, No 1 (2024): PRISMA
Publisher : Universitas Suryakancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35194/jp.v13i1.3726

The main procedure that students need to master in the problem-solving process is understanding the problem before proceeding to the next steps. This research aims to investigate students' difficulties and the factors causing these difficulties in understanding the problem. This research is qualitative in nature and is based on the philosophy of phenomenology. The research was conducted in an eighth-grade class at one of the Junior High Schools in Bandung, consisting of 28 students. Data collection techniques included tests, interviews, and think-aloud methods. The data collection instruments used were tests and interview guides. The tests used in this research had been previously validated for content, construct, and face validity by mathematics education experts. Data analysis in qualitative research involves data reduction, data presentation, and drawing conclusions. The findings of this research indicate that the difficulties faced by students in understanding the problem include difficulties in comprehending language, difficulties in grasping both explicit and implicit meanings, difficulties in identifying the necessary information, and difficulties in connecting meanings. The main factors causing students' difficulties in understanding the problem are a lack of careful reading skills and a lack of understanding of the concepts held by students.

Middle School Students’ Proportional Reasoning Ability in Solving Proportional and Non-proportional Problem Fathiyah, Ifa; Suryadi, Didi; Prabawanto, Sufyani
PRISMA Vol 13, No 1 (2024): PRISMA
Publisher : Universitas Suryakancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35194/jp.v13i1.3841

The objective of this descriptive qualitative study is to describe students' proportional reasoning ability in solving each type of proportional problem, namely missing-value problem, numerical comparison problem, and qualitative comparison problem. A non-proportional problem was also included in this study to assess students' ability in one of the indicators used to measure proportional reasoning ability. The instrument used in this study consists of mathematical word problems on the proportion concept. The participants involved nine eighth-grade students, who were chosen from a total of 49 eighth-grade students at a school in Bandung City. These students were selected using a technique known as purposive sampling, by looking at the answers of students who best represent the answers of other students. The gathered data were analyzed using content analysis and narrative analysis techniques. According to the results, students appeared to have difficulty solving proportional problems of all types using proportional reasoning. Students are still struggling with distinguishing between proportional and non-proportional situations, as well as direct and inverse proportions. Furthermore, students often encounter difficulties when attempting to solve numerical comparison and qualitative comparison problems. This might be a consequence of students' lack of experience in solving these types of problems. Another tendency is the use of the cross-multiplication algorithm in solving missing-value problems without knowing the purpose of using the algorithm.

Kesalahan dalam menyelesaikan soal koneksi matematis materi sistem pertidaksamaan linear dua variabel Sofa, Rostika Nurlaela Nova Maya; Prabawanto, Sufyani
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 6 No. 6 (2023): November
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v6i6.20072

This study aims to describe students' errors in solving mathematical connection problems of System Inequality Linear Two Variables based on Kastolan's stages. The research subjects chosen in this study were students of one of the high schools in West Bandung Regency. This research uses a qualitative method of case study approach. The instruments used in this research are the researcher himself, test instruments and interviews. The data collection techniques in this study used data collection techniques triangulation. Data analysis was carried out using the Miles and Huberman model, namely data reduction, data presentation, and conclusion drawing. There are 3 types of errors made by students in connection problems in Systems of Two Variables Linear Inequalities. First, conceptual errors include students not using the correct formulas and theorems to answer problems, using formulas incorrectly in determining each inequality, and misinterpreting a statement in determining the sign of inequality. Second, the procedural error is students did the questions given not according to the steps. Third, technical errors are converting units incorrectly and making errors in calculations.

The Effect of RADEC Learning Model on the Ability to Calculate the Perimeter of Flat Buildings in Third Grade Students of Elementary School Santi, Eneng; Prabawanto, Sufyani; Sopandi, Wahyu; Sujana, Atep; Mustika Fauziah, Hilma; Nuaini, Intan
International Conference on Elementary Education Vol. 6 No. 1 (2024): Proceeding The 6th International Conference on Elementary Education
Publisher : Elementary Education Study Program School of Postgraduate Studies Universitas Pendidikan Indonesia in collaboration with UPI PRESS

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

This study aims to determine the significant effect of using the RADEC model on the ability to calculate the perimeter of flat buildings in grade III students. This research is a pre-experimental research in the form of One Group Pretest-Posttest research. The population of this study was grade III students consisting of one class of 21 students. The research instrument used is the ability to calculate the perimeter of Flat Buildings. The data obtained were then analyzed using descriptive statistical data analysis and inferential statistical data analysis. The results of this study showed that the pretest results, the average value of student learning was 66.67 with a high category of 19.05%%, medium 33.33%, and low 47.62% and the average value of posttest results after using the RADEC model was 82.86 with a very high category 47.62%, medium 38.10%, and low 14.29%. This figure shows that there is a significant effect of using the RADEC model on the ability to calculate the perimeter of Flat Buildings. Based on the description above, it can be concluded that the RADEC model is effectively used in calculating the perimeter of flat buildings in grade III students.

Student’s learning obstacles in statistics materials related to computational thinking skills Augie, Kintan Tyara; Fatimah, Siti; Prabawanto, Sufyani
Math Didactic: Jurnal Pendidikan Matematika Vol 9 No 2 (2023): Mei - Agustus 2023
Publisher : Universitas PGRI Kalimantan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33654/math.v9i2.2103

Masuknya kemampuan computational thinking ke dalam penilaian PISA menjadi tantangan baru bagi siswa Indonesia. Salah satu kemampuan yang berperan penting dalam proses pemecahan masalah ini belum banyak diterapkan oleh siswa akibat adanya learning obstacle. Penelitian ini adalah penelitian kualitatif dengan pendekatan fenomenologi untuk mengidentifikasi learning obstacle siswa sekolah menengah pertama pada materi statistika terkait dengan kemampuan computational thinking. Instrumen penelitian yang digunakan yaitu soal tes kemampuan computational thinking dan pedoman wawancara. Data yang diperoleh dari hasil tes 17 orang siswa salah satu sekolah menengah pertama di Kabupaten Garut, dianalisis melalui tahapan reduksi data, penyajian data hingga penarikan kesimpulan. Hasil penelitian menunjukkan bahwa siswa mengalami ketiga jenis learning obstacle dalam materi statistika yang terkait dengan kemampuan computational thinking.

Pre-service mathematics teacher conducting prospective analysis: A case study on practice didactical design research Jatisunda, Mohamad Gilar; Suryadi, Didi; Prabawanto, Sufyani; Umbara, Uba
Jurnal Infinity Vol 14 No 1 (2025): VOLUME 14, NUMBER 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i1.p21-44

This study aims to understand how pre-service mathematics teachers conduct prospective analyses comprehensively. A qualitative research method with a case study design was used. The participant was Mrs N, a pre-service mathematics teacher who conducted research using DDR methodology in a grade 9 junior high school in Sindang, Majalengka, involving 48 students. Data were collected by analyzing empirical evidence from Mrs. N's prospective analysis process by uncovering the various stages of a prospective analysis. An iterative approach was used to analyze the data by refining the research questions through discussions and regular meetings with Mrs. N. The process ensured adaptability to new insights and understandings from the empirical data. Our findings reveal that the teacher draws upon fundamental philosophical principles from didactical design research, including hermeneutics, phenomenology, and ethnomethodology. By embracing these approaches, the teacher gains valuable insights into conducting research within an interpretive paradigm, allowing for a deeper exploration of the meaning of concepts, the purpose of learning, and the cultural influences that shape the educational process. Additionally, our study sheds light on the emergence of transpositional didactics theory as the prospective teacher delves into understanding the meaning of the geometrics transformation concept.

Analysis of Error in Solving Story Problems on Mixed Counting Operations for Class Iv Elementary School Khotimah, Wonadesma Dwi; Sary, Ryky Mandar; Herman, Tatang; Prabawanto, Sufyani
IndoMath: Indonesia Mathematics Education Vol 6, No 1 (2023): February 2023
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/indomath.v6i1.44

This research focus is on the ability to solve word problems on mixed arithmetic operations. The research objective is to analyze errors in solving word problems in mixed arithmetic operations material. Furthermore, this research approach was qualitative research. The data sources were 10 fourth-grade students and a fourth-grade teacher at State Elementary School 1 Sulursari; teachers were chosen because of their role in learning. Data collection procedures consisted of tests and interviews. The research showed that fourth-grade students experienced errors in solving word problems on mixed arithmetic operations, including reading, transformation, process skills, and final answer writing errors. The suggestions conveyed to students when learning should pay attention to the teacher when explaining the material well so that they can ask the teacher when they don't understand the material. Multiply practice questions so that you know better when working on questions; you should carefully not need to rush.

How do pre-service mathematics teachers resolve proportion tasks? Focus on the problem-solving strategy Sugiarni, Rani; Herman, Tatang; Suryadi, Didi; Prabawanto, Sufyani
Beta: Jurnal Tadris Matematika Vol. 17 No. 1 (2024): Beta May
Publisher : Universitas Islam Negeri (UIN) Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/betajtm.v17i1.619

[English]: Problem-solving for proportion tasks has not fully incorporated various appropriate strategies. This study aimed to identify and analyze the strategy used by pre-service mathematics teachers in solving proportion problems. This research used a qualitative method with a phenomenological design. The participants of this study were 29 pre-service mathematics teachers who had learned the concept of proportion. Data were collected using tests, interviews, observation, and document study techniques. Data were analyzed in the following stages: data collection, data reduction, data review, and conclusions. The results obtained were in the form of a description of the techniques used in solving proportion tasks. The pre-service mathematics teachers were mostly employing the cross-product strategy in solving proportion tasks. The results of this study can be used as a framework to develop the hypothetical learning trajectories of proportion material for pre-service mathematics teachers in the future. [Bahasa]: Penyelesaian soal perbandingan belum sepenuhnya memasukkan berbagai strategi yang tepat. Penelitian ini bertujuan untuk mengidentifikasi dan menganalisis strategi yang digunakan calon guru matematika dalam menyelesaikan masalah perbandingan. Penelitian ini menggunakan metode kualitatif dengan desain fenomenologis. Partisipan penelitian ini berjumlah 29 mahasiswa calon guru matematika yang telah mempelajari konsep perbandingan. Data dikumpulkan menggunakan teknik tes, wawancara, observasi, dan studi dokumen. Data dianalisis secara bertahap, mulai dari pengumpulan data, reduksi data, penelaahan data, dan penarikan kesimpulan. Hasil yang diperoleh berupa uraian tentang teknik-teknik yang digunakan dalam menyelesaikan tugas terkait materi perbandingan. Mahasiswa calon guru matematika sebagian besar menggunakan strategi cross-product dalam menyelesaikan tugas perbandingan. Hasil penelitian ini dapat digunakan sebagai kerangka kerja untuk mengembangkan hypothetical learning trajectory dari materi perbandingan untuk mahasiswa calon guru matematika di masa yang akan datang.

Developing computer-assisted learning tool based on discovery learning to improve students' mathematical reasoning Siregar, Ginda Maruli Andi; Wahyudin; Herman, Tatang; Prabawanto, Sufyani
Beta: Jurnal Tadris Matematika Vol. 16 No. 1 (2023): Beta May
Publisher : Universitas Islam Negeri (UIN) Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/betajtm.v16i1.644

[English]: Mathematical reasoning abilities were needed in solving steps using mathematics numerically. In mathematics education, students always had difficulty building solution steps into algorithms and were unable to build program code. The cause of these difficulties and failures was learning obstacles in the form of didactical obstacles. Learning did not facilitate the development of mathematical reasoning abilities for building algorithms and program code. It was not only the use of inappropriate teaching methods but also the limitations of teaching tools, such as computers, in creating a program. Mathematics and informatics students encountered this issue during their learning journey in numerical methods courses, experiencing both low mathematical reasoning abilities and restricted access to computer lab facilities within their department. The research carried out was to develop and evaluate computer-assisted learning based on discovery learning. The method in this research used a quantitative approach to obtain a quantitative evaluation of the development of computer-assisted learning using the web, which was developed through research and development in the ADDIE model. The web was used as a computer-assisted learning tool in the very valid category by media experts, mathematicians, and test respondents. The results of pre- and post-tests of mathematical reasoning ability were analyzed using a paired t-test, obtaining a significant value of 0.609 above the significance level of 0.05, indicating that computer-assisted learning through web-based discovery learning could be used to enhance students' mathematical reasoning abilities. Direct observations also showed increased engagement and facilitated improvement in students' mathematical reasoning abilities. A weakness to note was the relatively longer time usage, as instructors received many responses from students and provided repeated guidance to align with the steps of discovery learning within the web media. [Bahasa]: Kemampuan penalaran matematika dibutuhkan dalam langkah-langkah penyelesaian dengan matematika secara numerik. Mahasiswa pendidikan matematika selalu kesulitan dalam membangun langkah penyelesaian menjadi algoritma, dan tidak mampu membangun kode program. Penyebab kesulitan dan kegagalan tersebut adalah hambatan belajar berupa didactical obstacle. Pembelajaran tidak memfasilitasi pengembangan kemampuan penalaran matematis dalam membangun algoritma dan kode program. Bukan hanya penggunaan metode ajar yang tidak sesuai, tetapi juga keterbatasan alat-alat ajar, seperti komputer dalam pembuatan sebuah program. Masalah ini dihadapi oleh mahasiswa matematika dan informatika dalam proses belajar pada matakuliah metode numerik, yaitu rendahnya kemampuan penalaran matematis serta keterbatasan penggunaan fasilitas lab komputer di jurusannya. Penelitian yang dilakukan adalah membangun dan mengevalusi pembelajaran berbantuan komputer yang berbasis discovery learning. Metode dalam penelitian ini menggunakan pendekatan kuantitatif dalam memperoleh evaluasi secara kuantitas dari pengembangan pembelajaran berbantuan komputer menggunakan web yang dikembangkan melalui research and development dengan model ADDIE. Web yang digunakan sebagai alat pembelajaran berbantuan komputer dikategorikan sangat valid oleh ahli media, ahli matematika, dan uji responden. Hasil pre-tes dan post-tes kemampuan penalaran matematis dianalsis dengan uji paired t-test memperoleh nilai signifikan sebesar 0.609 diatas level signifikansi 0.05 yang menunjukkan bahwa pembelajaran berbantuan komputer melalui web berbasis discovery learning dapat digunakan untuk meningkatkan kemampuan penalaran matematis mahasiswa. Observasi langsung juga memperlihatkan peningkatan keterlibatan dan memfasilitasi peningkatan kemampuan penalaran matematis mahasiswa. Kelemahan yang harus diperhatikan adalah penggunaan waktu yang relatif lebih lama karena pengajar memperoleh banyak tanggapan dari mahasiswa serta memberikan arahan berulang kali sehingga sesuai dengan langkah discovery learning di dalam media web.

SELF-EFFICACY OF JUNIOR HIGH SCHOOL STUDENTS IN MATHEMATIC PROBLEM SOLVING Siregar, Rama Nida; Prabawanto, Sufyani; Suryadi, Didi
SIGMA DIDAKTIKA: Jurnal Pendidikan Matematika Vol 9, No 1 (2021)
Publisher : SIGMA DIDAKTIKA: Jurnal Pendidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/sigmadidaktika.v9i1.48350

This study aims to describe the self-efficacy of junior high school students in Medan City and Deli Serdang Regency, North Sumatra in solving mathematical problems in social arithmetic material. This research includes survey research with quantitative and qualitative approaches. The research subjects were 67 junior high school students in Medan City and Deli Serdang Regency, North Sumatra who came from two schools with the category of one public school and one private school. The instrument used is a self-efficacy questionnaire consisting of 27 statement items based on self-efficacy indicators that will be filled out by students, and interview guidelines. The results showed that the average self-efficacy of private junior high school students in Medan City and Deli Serdang Regency, North Sumatra as a whole of 67 students was in the high category, which was 90.24. In general, students have a high tendency of self-efficacy. For example, having confidence or confidence in the abilities possessed in carrying out and completing the tasks at hand so that they are able to overcome obstacles and achieve the expected goals, so it can be concluded that students who have high efficacy abilities will have an impact on their learning achievement and students' mathematical problem solving. getting better.

Co-Authors A.A. Ketut Agung Cahyawan W Abdul Mujib Aflich Yusnita Fitrianna Agung Wicaksono Ahmad Arifuddin Ahmad Nizar Rangkuti Ahmad Tafsir Ahmad Tafsir, Ahmad Ahmad Zulfa Khotimi Ahmad Zulfa Khotimi Ahmatika, Deti Aiyub Aiyub Alfitri, Putri Armania Agustina Alman Alman Alman Alman, Alman Amalia Indrawati G Andika Putra R Aneu Pebrianti Anwar, Agus Saeful Aridanthy, Vanya Aryanti Asep Syarif Hidayat Asfar, A.M.Irfan Taufan Asfar, Andi Muhamad Iqbal Akbar Aswin Aswin Atep Sujana Augie, Kintan Tyara Bambang Eko Susilo Bambang Hariyomurti Bariyah, Nusrotul Candra Nugraha Cece Kustiawan Cecep Anwar Hadi Firdos Santosa Cecep Anwar Santosa Christina Monika Samosir Citra Utami Dadan Dasari Dadan Hermawan, Dadan Dadang Juandi Dahlan, Jarnawi Ahmad Dallyono, Ruswan Darhim Darhim David Nurfiqih Dela Ambarwati Desi Elizanti Desy Lusiyana Dewi Nurmalitasari Dian Cahyawati Dian Nopiyani Dian Usdiyana Didi Suryadi Didi Suryadi Didi Suryadi Dinar Nur Alkifah Jihadatunnafsy Doni, Petrus Kanisius Nama Dwi Arisma Wahyudi Edi Irawan Edria Al Shahada Effy Mulyasari Ejen Jenal Mutaqin Eka Novarina EKO YULIANTO Eko Yulianto Eko Yulianto Elah Nurlaelah Elizanti, Desi Encum Sumiaty, Encum Endang Cahya Mulyaning A. Eyus Sudihartinih Fardian, Dilham Fathiyah, Ifa Fatimah Aqilah Ichtiari Fatimah, Siti Febriani, Winarti Dwi Fitri Ayu Febrianti Fitri Ayu Febrianti Fitriana Lestari Fitriani Fitriani Fujiarti, Ari Ginda M.A.Siregar Gita Rani Putri Mangiri Gumpita, Melly Terry Gunadi, Farid Hadi Haeruddin, Haeruddin Hani Nurhasanah Hayuningrat, Silfia Herizal Herizal Hutkemri Zulnaidi Iden Rainal Ihsan Ifa Fathiyah Inayah, Sarah Indiana Marethi Indiana Marethi, Indiana Indra Nurhidayat Irena Puji Luritawaty Istikomah, Endang Itoh Masitoh Izzy Balagtas Villarico Jarnawi Afgani Dahlan Jozua Sabandar Jurpri, Al Jusniani, Nia Kartika Yulianti Kholipah, Nuzuliah Khotimah, Wonadesma Dwi Khusnul Novianingsih Kintan Tyara Augie Kurniawati, Ririn Laelasari Laelasari, Laelasari Lien Malinda Lina Siti Nurwahidah Lucky Heryanti Jufri Lukman Lukman M Akbar Gulvara M Candra Nugraha Deni Mangiri, Gita Rani Putri Masitoh, Lisda Fitriana May Nisa Istiqomah Mefiana, Syifa Ananda Meicindy Jeny Klorina Meilani, Rini Melani, Rini Melati, Catur Yustika Melisa Melisa Milah Nurkamilah Mimi Hariyani Mohamad Gilar Jatisunda Muhamad Soeleman Muhamad Yasin Mustika Fauziah, Hilma Nabila Cynthia Rayhan Nanang Priatna Nandang Arif Saefuloh Nazla Nurul Aulia Panggabean Nelvita Febrina Hasan ningrum, yunia jumita Nopiyani, Dian Nopiyani, Dian Nova Nurhanifah Novi Andri Nurcahyono Novia Rahmi Noviana Antaria Nti, Seth Junior Nuaini, Intan Nuke Fitri Yanuari Nur Qamariah Nurannisa, Andi Nurdiyah Kurniati Nurhayati, Ani Permani, Kania Dewi Pertiwi, Saffanah PRASETYAWAN, ENGGAR Prihandhika, Aditya Putri, Amelia Defrianti Rachmawati Khaerun Nisa Raisya Hizkiya Syabina Ramli Ramli Rani Sugiarni Rini Sulastri Riny Arviana Ririn Kurniawati Riza Fatimah Zahrah Rizki, Raihan Ahmil Rizky Rosjanuardi Rohimah, Siti Maryam Rosmayasari Rosmayasari Rosmayasari, Rosmayasari Rostina Sundayana Rusdiono Muryanto Ruswan Dallyono Saefuloh, Nandang Arif Saefuloh, Nandang Arif Safrina Safrina Samosir, Christina Monika Sandra Sukmaning Adji Santi, Eneng Sanusi Sanusi Saputra, Samnur Sarassanti, Yumi Sarnav Ituga, Almuhaimin Sendi Ramdhani Septian, Ari Simanjuntak, Sinitta Marito Siregar, Rama Nida Sitanggang, Damra Ali Siti Fatimah Siti Zakiyah Sofa, Rostika Nurlaela Nova Maya Suhendra Suhendra Suhendra, S Sukma Murni Sukri Sukri suparni Surya, Marcia Ann Syamsuri Syamsuri Syarifah, Mufarrahatus Syarifah, Mufarrahatus Syifa Ananda Mefiana Tata Frarisia Tatang Herman, Tatang Tin Lam, Toh Trisna Nugraha Trisnowali MS, Andi Turmudi Ulfah Nur Azizah Ulfah Nur Azizah Umbara, Uba Umbara, Uba Usep Kosasih Wafa Islamiyah Wahyu Hidayat Wahyu Sopandi Wahyudi, Dwi Arisma Wahyudin Wahyudin Wahyudin Wahyudin Wahyudin Wahyudin Wahyudin Wardani, Ambarsari Kusuma Wenda Alifulloh Widdy Sukma Nugraha Yasin, Muhamad Yaya S. Kusumah Yeni Dwi Kurino Yeni dwi Kurino Yusuf Adhitya

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