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Qohar, Abd.

Universitas Negeri Malang

Author-ID : 609964

Religion Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Nursing Public Health Social Sciences Other

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Analisis Peningkatan Level Berpikir Geometri Mahasiswa Berdasarkan Teori Van Hiele dengan Pendekatan Konstruktivisme Renanda, Aini; Qohar, Abd.; Chandra, Tjang Daniel
Jurnal Tadris Matematika Vol 6 No 1 (2023)
Publisher : Universitas Islam Negeri Sayyid Ali Rahmatullah Tulungagung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21274/jtm.2023.6.1.101-114

The provision of problem-solving, analytical, systematic, critical, and creative skills is important to improve human resources that can be obtained from learning mathematics. Geometry is a field of mathematics that aims to develop logical thinking skills, develop spatial intuition, and interpret mathematical arguments. Several studies show that students' understanding of geometry material is still at a low level, so it is necessary to develop or improve the geometry learning process. The purpose of this study is to describe the increase in students' geometric thinking levels based on Van Hiele's theory with a constructivism approach. The method used in this research is descriptive qualitative with data analysis techniques using the Miles & Huberman model in the form of data reduction, data presentation, and drawing conclusions. The results showed that before the learning process using a constructivist approach, students' geometric thinking skills were at levels 1 to 3 or the analysis stage to a formal deduction with the average being at the informal deduction and pre-formal deduction stages. Meanwhile, after the learning process using a constructivist approach was carried out, geometric thinking skills increased at levels 2 to 4 or the informal deduction stage to the rigor with an average increase in the formal deduction stage.

Pengembangan Media Putaran Peluang pada Materi Peluang Kelas VIII Budi, Bhakti Setya; Qohar, Abd
BRILIANT: Jurnal Riset dan Konseptual Vol 6 No 3 (2021): Volume 6 Nomor 3, Agustus 2021
Publisher : Universitas Nahdlatul Ulama Blitar

Penelitian ini adalah penelitian pengembangan yang bertujuan untuk menghasilkan alat peraga Putaran Peluang untuk siswa kelas VIII SMP/MTs. Penelitian ini dikembangkan dengan menggunakan langkah-langkah model Borg dan Gall yang dimodifikasi. Teknik pengumpulan dan analisis data dengan uji coba skala kecil/terbatas dan skala besar. Prosedur dalam penelitian ini terdiri dari analisis produk yang dikembangkan, validasi produk, dan uji coba produk. Media diujicobakan di MTs Miftahul Huda Kepanjen, pada kelas VIII yang belum pernah menerima materi tentang peluang. Hasil test validasi menunjukkan bahwa media valid dengan rata-rata skor 3,6. Penggunaan media dengan alat peraga ini sangat disarankan untuk diterapkan dalam pembelajaran matematika materi peluang.

Designing Performance Assessment for Ethnomathematics Project-Based Learning to Assess University Students’ Mathematical Thinking Skills Ulya, Himmatul; Rahayu, Ratri; Sa’dijah, Cholis; Qohar, Abd; Saad, Muhamad Ikhwan Mat
Jurnal Pendidikan MIPA Vol 25, No 3 (2024): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

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The skills involved in the mathematical thinking process are crucial for university students pursuing Mathematics Education. However, most of them lack proficiency in seeing patterns while addressing an issue and articulating the problem in mathematical terms. The objectives of this research are (1) to analyze students' mathematical thinking process skills; (2) to ascertain students' expectations regarding the learning process and assessment in Ethnomathematical education; (3) to develop a performance assessment model design; (4) to evaluate the quality of the performance assessment model within Ethnomathematics-based Project-based Learning (PjBL) for measuring students' mathematical thinking process skills; and (5) to report the outcomes of measuring students' mathematical thinking process skills. This study employs a research and development (R&D) design. This study's population comprises all 6th-semester students enrolled in the Mathematics Education program at Muria Kudus University. The research sample was obtained by a saturation sampling procedure, comprising 107 students. The study instruments employed consist of assessment tools designed to evaluate students' mathematics cognitive processing skills. The acquired data were analyzed descriptively. The research findings indicate that: (1) students' mathematical thinking process skills are suboptimal, with a mean value of 54.14%; (2) students desire greater engagement in an active learning process that connects to real-life situations and cultural contexts, incorporating assessments that reflect individual performance; (3) a performance assessment model design for Ethnomathematics-based Project-Based Learning (PjBL) has been developed, encompassing objectives, components, instruments, syntax, and model guidelines. The created performance assessment approach for ethnomathematics-based project-based learning is both valid and reliable, and the evaluation of mathematical thinking process abilities demonstrates exceptional outcomes. This study suggests the necessity of implementing the ethnomathematics-based Project-Based Learning (PJBL) performance evaluation model to enhance students' mathematical thinking skills through an active, contextual, and culturally relevant method. Keywords: ethnomathematics, performance assessment, pjbl, project-based learning.DOI: http://dx.doi.org/10.23960/jpmipa/v25i3.pp1281-1296

Teacher Communication Practices in Trigonometric Instruction: A Comparative Study Across Experience Levels Tyas, Dewi Kristika Findia Ning; Purwanto, Purwanto; Qohar, Abd.; Sulandra, I Made
Jurnal Pendidikan MIPA Vol 25, No 4 (2024): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

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

Teacher communication is critical in mathematics learning, influencing students’ understanding, engagement, and academic success. This study explores the communication practices of novice, intermediate, and senior mathematics teachers when teaching trigonometric comparisons in right triangles. Using a qualitative exploratory design, classroom observations and interviews were conducted with three vocational high school teachers in Keerom Regency, Papua Province, Indonesia, focusing on five communication aspects: clarity, assertiveness, responsiveness, relevance, and presentation style manipulation. The findings reveal significant differences among the teacher groups. Novice teachers exhibited excellent communication by integrating prerequisite knowledge, employing visual aids, and connecting lessons to real-world applications. Intermediate teachers demonstrated structured but conventional communication methods, focusing on content delivery with limited interactivity. Senior teachers, while experienced and accurate, relied heavily on traditional lecture-based approaches and displayed limited responsiveness to student needs. This study highlights the strengths of novice teachers’ student-centered strategies, such as group activities and guided discovery, which enhanced student engagement and comprehension. The research underscores the need for professional development programs to promote innovative teaching practices across all experience levels. Future studies should examine how professional growth and contextual factors influence teacher communication, contributing to improved mathematics learning outcomes. Keywords: teacher communication, vocational school, trigonometry, teaching experience. DOI: http://dx.doi.org/10.23960/jpmipa/v25i4.pp1854-1869

Analisis Kemampuan Berpikir Kritis Siswa SMA Kelas X IPA dalam Memecahkan Soal Cerita ditinjau dari Gender dan Kemampuan Matematika Benyamin, Benyamin; Qohar, Abd.; Sulandra, I made
Edumatica : Jurnal Pendidikan Matematika Vol 11 No 1 (2021): Edumatica: Jurnal Pendidikan Matematika (April 2021)
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

The purpose of this study was to describe the critical thinking skills of class X high school students in solving story problems in terms of gender and math abilities. This research was conducted in the even semester of 2020/2021. This research uses a qualitative approach with descriptive research type. The subjects in this study consisted of 3 male students and 3 female students with different mathematical abilities selected based on test results and consultation with subject teachers. The used Instruments in this study were critical thinking skills tests and interviews. The results of this research are (1) male students and high mathematical abilities meet aspects of interpretation, analysis, evaluation, inference, aspects and self regulation well. Meanwhile, female students with high mathematical abilities are able to complete aspects of interpretation, analysis, evaluation, and inference well; (2) Male students and their mathematical abilities are meeting the aspects of interpretation, analysis, and inference well. Meanwhile, female students and moderate math abilities were able to complete interpretation, analysis, inference, and explanation well; and (3) male students with low math ability are able to solve aspects of interpretation well. Meanwhile, female students with low math abilities were able to complete aspects of interpretation and analysis well. For further researchers, it is necessary to research at a higher level with more research subjects or on other variables.

Kesulitan Siswa dalam Pemecahan Masalah Soal Cerita Matematika Dilihat dari Adversity Quotient (AQ) Bruno, Antonius; Qohar, Abd.; Susanto, Hery; Permadi, Hendro
Edumatica : Jurnal Pendidikan Matematika Vol 11 No 3 (2021): Edumatica: Jurnal Pendidikan Matematika (Desember 2022)
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

Problem solving is one of the main goals in learning mathematics and can be realized in solving story problems. The purpose of this study is to describe the difficulties of climbers, campers and quitters' students in solving mathematical problems in the form of story questions based on Polya's steps. This research uses qualitative research with a case study approach design. The instrument is the researcher himself and the supporting instruments are questionnaires, problem solving test instruments and interviews. The population in this study were students of SMPK Mardi Wiyata Malang class VIII B which were taken 6 subjects (2 Climber students, 2 Camper students and 2 Quitter students) based on the results of Adversity Response Profile (ARP) questionnaire data. The results in this study consist of the difficulty of climber students in solving problem solving, namely the difficulty in solving problems and making conclusions from the problems that have been solved. Camper students' difficulties in solving problem solving are difficulties in planning problem solving strategies, problems solving and drawing conclusions from the problems given. The difficulty of quitter students in solving problem solving is the difficulty of students in understanding problems, planning solutions, making solutions and drawing conclusions from the problems given. Based on the findings, students with the quitter category have the lowest ability in the problem-solving process. Therefore, further research is needed to increase the motivation and interest in learning of students belonging to the quitter category.

Pengembangan Media Pembelajaran Smart Board dengan Pendekatan PMRI pada Materi Bilangan Bulat Mardhiyah, Elok Izzatul; Qohar, Abd; Anwar, Lathiful
Edumatica : Jurnal Pendidikan Matematika Vol 13 No 2 (2023): Edumatica: Jurnal Pendidikan Matematika (Agustus 2023)
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/edumatica.v13i02.21617

Learning can run well if the components contained in it work together and support each other to achieve learning goals. This study aims to develop Smart board learning media with the Indonesian Realistic Mathematics Education (PMRI) approach on integer material that is valid and practical. This study uses the Research and Development (R&D) method. The subjects of this study were students of class VI MI in Malang City. This type of research is development research, where the instruments used include interview sheets, material expert validator questionnaires, media experts and student response questionnaires. Through these instruments, data is obtained that will be analyzed to find out whether the learning media that have been made are suitable for use in the learning process. The development model used is the Analysis, Design, Development, Implementation, and Evaluation (ADDIE) model. The results of the validation of material experts and media experts show that the media meets valid criteria with an average score of 3.71. The results of the student questionnaire show that the media is stated to be practical with the criteria for an average score of the student questionnaire results of 3.68. Based on the results of this analysis, Smart board learning media on integer material can be declared valid and practical. During the learning process, students can more easily understand the material presented because it uses interesting and not boring media. So that the learning media that are made are suitable for use in the learning process, especially on integer material.

Kemampuan Pemecahan Masalah Geometri Siswa berdasarkan Self-Regulated Learning Syarifah, Rif'atul; Permadi, Hendro; Qohar, Abdul; Anwar, Lathiful
Edumatica : Jurnal Pendidikan Matematika Vol 13 No 3 (2023): Edumatica: Jurnal Pendidikan Matematika (Desember 2023)
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/edumatica.v13i03.22185

One of the subjects that can measure students' problem solving abilities is geometry because geometry discusses objects, definitions, symbols and images that can be used as ideas or ideas by students. This research is a descriptive qualitative study which aims to describe and analyze students' ability to solve problems based on Polya's steps in terms of self-regulated learning (SRL). The subject of this research is one student in each SRL (high, medium, low). Data collection methods are questionnaires, tests and interviews. The results showed that 12.5% of students had high SRL levels, 70.83% had medium SRL level students and 16.67% had low SRL level students. Students with high SRL can complete problem solving according to Polya's steps. Students with moderate SRL can apply the steps of understanding the problem (writing the information available and what is being asked) and the planning steps. Meanwhile, students with low SRL can understand the problems in the questions. Based on interviews students can only provide information from what is contained in the questions but do not have ideas to solve them. Students with low SRL are only able to do the first of the four stages of problem solving. So, it can be concluded that the higher the SRL or the level of one's learning independence, the higher the ability to solve problems.

Pembelajaran Reciprocal Teaching dalam Peningkatan Komunikasi Matematis Siswa Adityawan, Tofan; Susiswo, Susiswo; Qohar, Abd
Nuris Journal of Education and Islamic Studies Vol. 4 No. 2: 2024
Publisher : STAI Nurul Islam Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52620/jeis.v4i2.85

Melaksanakan pembelajaran dengan strategi reciprocal teaching merupakan salah satu alternatif untuk meningkatkan kemampuan komunikasi matematis siswa. Penelitian ini merupakan penelitian tindakan kelas (PTK) dan dibagi menjadi dua siklus, yaitu Siklus I yang terdiri dari tiga sesi pertemuan di kelas, dan Siklus II yang terdiri dari dua sesi pertemuan di kelas. Hasil penelitian ini menunjukkan adanya peningkatan kemampuan komunikasi matematis pada materi program linier yang dibuktikan dengan peningkatan nilai rata-rata dan ketuntasan klasikal. Jumlah siswa Kelas X Farmasi adalah 24 orang. Pada saat pretest didapatkan nilai rata-rata kelas siswa adalah 70,9 kemudian pada siklus yang pertama nilai rata-rata kelasnya meningkat menjadi 81,9 dan kemudian pada siklus yang kedua nilai rata-rata kelas meningkat lagi menjadi 87. Dengan demikian jika dilihat dari presentase ketuntasan, maka pada saat pretest sebesar 50% artinya siswa yang tuntas sebanyak 12 siswa dan tidak tuntas tesnya sebanyak 12 siswa, sedangkan pada siklus I sebesar 66,67% artinya siswanya berjumlah 16 yang tidak tuntas dan 8 siswa tuntas. Kemudian yang terakhir pada siklus II presentasi ketuntasannya sebesar 87% yang berarti bahwa siswa yang tidak tuntas sebanyak 3 siswa dan siswa yang tuntas sebanyak 21 siswa.

Perspektif Hukum Islam tentang Pernikahan di Luar Kantor Urusan Agama di Bandar Lampung Ridho, M Ma’shum; Qohar, Abd
AL-MANHAJ: Jurnal Hukum dan Pranata Sosial Islam Vol. 2 No. 2 (2020)
Publisher : Fakultas Syariah INSURI Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37680/almanhaj.v2i2.409

The tendency of the Bandar Lampung community to choose to carry out marriages outside the Office of Religious Affairs, this is a unique problem and needs to be conducted in a study of the Mandalam. In this paper aims to discuss the factors that cause marriages outside the Office of Religious Affairs in Bandar Lampung City. In this research the method used is a qualitative method, the type of field research, with a sociological juridical approach. Based on the results of the study it was found, that the factors that caused the community to prefer a marriage contract outside the KUA, among others; Customary / traditional factors, more solemn, sacred, comfortable and memorable, can be seen by many people, avoiding gossip and negative images, as well as more easy, simple and practical. The reason is if classified based on traditional factors, there are also factors found ease and comfort. The reason was generated from the statements of various sources with different social backgrounds. Each has its own reasons. But there are still many assumptions of the community who consider the implementation of marriage in the KUA office to spend a lot of money. Increasing the implementation of marriages outside KUA due to lack of socialization carried out by the KUA of Tanjung Karang, Kedaton and Panjang districts, the effectiveness of marriages at the KUA office Abstrak: Adanya kecenderungan masyarakat Bandar Lampung untuk memilih melaksanakan perkawinan diluar Kantor Urusan Agama, hal tersebut menjadi persoalan yang unik dan perlu dilakukan pengkajian mandalam. Dalam tulisan ini bertujuan untuk membahas faktor-faktor yang menyebabkan terjadinya pernikahan di luar Kantor Urusan Agama di Kota Bandar Lampung. Pada penelitan ini metode yang digunakan adalah metode kualitatif, jenis penelitian field research, dengan pendekatan yuridis sosiologis. Berdasarkan hasil penelitian ditemukan, bahwa faktor yang menyebabkan masyarakat lebih memilih akad nikah di luar KUA, antara lain; Faktor adat / tradisi, Lebih khidmat, sakral, nyaman dan berkesan, Dapat disaksikan orangbanyak, Menghindari gosip dan image negative, serta lebih mudah, simple dan praktis. Alasan tersebut jika diklasifikasikan ada yang berdasarkan faktor tradisi ada juga didilandasi faktor kemudahan dan kenyamanan. Alasan tersebut dihasilkandari pernyataan berbagai narasumber dengan latar belakang sosial yang berbeda. Masing-masing memiliki alasan tersendiri. Namun masih banyaknya asumsi masyarakat yang menilai pelaksanaan menikah dikantor KUA mengeluarkan biaya yang tidak sedikit. Peningkatan pelaksanaan pernikahan diluar KUA karena kurangnya sosialisasi yang dilakukan oleh pihak KUA kecamatan Tanjung Karang, Kedaton dan Panjang efektifnya pelaksanaan pernikahan dikantor KUA.

Co-Authors 'Aniqoh, Lazatin ., Humaidi Abdul Rozak Abdur Rahman As’ari Adityawan, Tofan Afrianti, Reny Eka Nur Ahmad Choirul Rofiq Ahyansyah, Ahyansyah Aini Renanda Ajhuri, Kayyis Fithri Al Ashari, Iqbal Ma'ruf Ali Abdul Wakhid Alip Rahmawati Zahrotun Nisa Andi Thahir Anis Rochma Pratiwi Anita Dewi Utami Antonius Bruno Arik Murwanto Asrowi, Ridho Hanan Avenzoar, H. Nur Avenzoar Azizah Azizah Badriyanto, Badriyanto Bapa, Agustinus Tamo Bayu Ariawan Benyamin Benyamin Benyamin Benyamin, Benyamin Bruno, Antonius Budi, Bhakti Setya Burhanatut Dyana Cholis Sa’dijah Chusnul Ma'rifah Cindy Indra Amirul Fiqri Citra Wahyuni Cut Devy Nurfitriani Damayanti, Puspita Ayu Danang Setyadi Daniatun, Rahma Desyandri Desyandri Devita Rizka Utami Dewi Kristika Findia Ning Tyas Diana Sari Hasibuan Dwiyana Dwiyana Dyah Ayu Pramoda Wardhani Efa Rodiah Nur Eko Hidayat Erlanda Nathasia Subroto Erry Hidayanto Eska Prawisudawati Ulpa Fadli, Muh Fahrur Rozi Hadiyanto Faisal, Liky Faisal Fajar Maulana Rahmad Fakhrur Razi Fashihah Fashihah Fashihah Fashihah Faula Rossydha Fauzi, Moh. Yasir Fazira, Shima Kunaza Feri Kurniawan Firdaus Firdaus Gatot Muhsetyo Gesit Yudha Hajjah Rafiah Handayaningsih, Rohyatun Hanif, H. Hanny Hafiar Harapandi Dahri Syahrum Hardiyatullah, Hardiyatullah Harsayandaru Himawan Herti Prastitasari Hery Susanto Hery Susanto Hidayati, Ira Hijriani, Lailin Hijriani, Lailin Hilmi Yusron Hilmi Yusron Rofi’i Hilyatin Nisak Sam, Hilyatin Nisak Himmatul Ulya Husnul Hotimah, Husnul I Made Sulandra I Nengah Parta Ibnu Nurdiansyah Ibrohim Idham, I. Idul Adnan Ika Ujiana Sugianto Indah Tri Septiani Ipung Yuwono Irma Nugraheni Iska Agustina Izzah, Jauharotul Izzatul Ulya Izzatul Ulya, Izzatul Jojor Janni Astuti Sigalingging Jurisman Kadji, Jurisman Jurisman M. Kadji Kamaruddin, Mohd Khairi Khoiriya Ulfah Khudlori, Ahmad Kiki Muhamad Hakiki Laelinatul Choeriyah Laelinatul Choeriyah Lathifa Millati Saifullah Lathiful Anwar Lia Yuliati Liky Faizal Lina Setiawati Lisarani, Varetha Luluk Masruroh, Luluk M Husen Al Farisy M Zainul Arifin Makbul Muksar Mardhiyah, Elok Izzatul Miftha Huljannah Muazarah, Salma Farihah Muhammad Nashirun Muhammad Zaki Muhana Gipayana Muqtada, Moh. Rikza Murwanto, Arik Muslim Muslim Muslimin, A Muspratiwi Pertiwi MR Nilam Nur Jazilatur Rohma Niswah, Ulvatun Nur Ali Nurmala Dewi, Nurmala Oktavia, Dewi Permadi, Hendro priyatama, agung handi Puguh Darmawan Puji Astuti Purwanto Purwanto Purwanto Purwanto, Aldi Puspita Rahayuningsih Qohar, Abdul Qohar Rahma Daniatun Rahmad, Fajar Maulana Ratri Rahayu Renanda, Aini Reno Warni Pratiwi Reny Eka Nur Afrianti Rezki Fitria Hartini Ridho, M Ma’shum Risa Utaminingsih Rofi'i, Hilmi Yusron Rofiqur Rahman, Zainur Rohmah Nila Farida Rosa Amalia Adiafidah Rosmawati, Dwi Saad, Muhamad Ikhwan Mat Safitri, Rizqi Febriana Saifullah, Lathifa Millati Sam, Hilyatin Nisak Sapti Wahyuningsih, Sapti Sebti Mardiana Senja Richmasari Sisworo siswosuharjo, partono Sofyan Hadi Sri Mulyati Subanji Subanji Sugianto, Ika Ujiana Sukoriyanto Sulistio, Wahyu Susanto, Is Susiswo Suwito, Ruth Widyati Swasono Rahardjo Swasti Maharani Swasti Maharani Syafii, Hafidt Abdulloh Bin Syarifah, Rif'atul Tajuddin, Nilawati Tanjung, Akbar Thoha, Annisa Fatin Titik Harsiati Tjang Daniel Chandra Toni Hidayat Toto Nusantara Trianingsih Eni Lestari Ulfa Ni'matil Hasanah Ulvatun Niswah Utari Sumarmo Utari Sumarmo Vita Kusumasari Wahid, Ali Abdul Wahyu Sulistio WAHYUNI, CITRA Wahyuningtyas, Daniar Wardah Shofiyyah Widi Candika Pakaya Windari, Fitri Yudha, Gesit Yudha Yudha, Sri Indah Dwirahmasari Yudhi Hanggara Yuni Katminingsih Yusron Rofi?i, Hilmi Zaki, H. Muhammad Zuhadur Ra'is Ariyono Putra Zulharman Zulharman Zuliati, Sulis Dwi

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