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Nila Kesumawati

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Author-ID : 297652

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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Articles

Title

Obstacles to Relations and Functions Concepts Learning in Terms of Theory of Didactic Situations Criteria Kesumawati, Nila; Lusiana; Fuadiah, Nyiayu Fahriza; Retta, Allen Marga
Mathematics Education Journal Vol. 18 No. 2 (2024): Jurnal Pendidikan Matematika
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jpm.v18i2.pp259-272

Effective learning planning requires information on the obstacles to learning a given concept that students experience to create a learning flow that matches the students’ characters, including in the learning of the concepts of relations and functions. The research aims to determine the learning obstacles (LOs) that students experience in learning the concepts of relations and functions as per the criteria of the theory of didactic situations (TDS). Employing the case study method, this qualitative research was conducted with subjects that included 19 prospective teacher students who had taken a diagnostic test and participated in in-depth interviews. An analysis was conducted based on three TDS criteria, namely action, formulation, and validation. The results revealed two types of LOs that students experienced in learning the concepts of relations and functions: 1) ontogenic obstacles and 2) epistemological obstacles. The first type of obstacles included 1a) the inability to properly understand the definition of the intersection of two relations, referred to as conceptual ontogenic obstacle, and 1b) the inability to relate the concept of relations in drawing a Hasse diagram, referred to as instrumental ontogenic obstacle. Meanwhile, the second type included 2a) the difficulty in expressing relations in the forms of mapping diagrams and graphs, 2b) the difficulty in determining the range of a function, 2c) the difficulty in identifying relations which are also functions, 2d) the inability to represent relations in the forms of mapping diagrams, and 2e) the inability to write a function as a set of ordered pairs. It is recommended that these LO findings be taken into consideration in designing learning tools.

Development of Social Arithmetic Teaching Materials Using IT-Based PMRI Approach for SMP Students Astari, Sharli Yunita; Kesumawati, Nila; Misdalina
Mathematics Education Journal Vol. 15 No. 2 (2021): Jurnal Pendidikan Matematika
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

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This study aimed to develop teaching materials using an IT-based PMRI approach for junior high school students. The type of this research was a research and development model. This study employed the ADDIE development model consisting of five stages: analysis, design, development, implementation, and evaluation. The teaching materials were validated by material experts and media experts before being tested. In addition, this study involved a student response questionnaire investigating the IT-based teaching materials. The validity of teaching materials revealed an average score of 4.40 determined by the results of the teaching material assessment conducted by two expert lecturers, and an average score of 4.80, determined by the results of the teaching material assessment conducted by mathematics teachers at SMP Negeri 56 Palembang. The practicality of teaching materials (student books) had an average score of 4.27 determined by the students' responses to teaching materials. The results of validating material experts, media experts, subject teachers, and student response questionnaires indicated that the teaching materials developed were valid and practical. Overall, this study has shown that the teaching materials developed are very suitable for learning. In addition, the teaching materials developed can improve student learning outcomes on arithmetics materials. DOI: https://doi.org/10.22342/jpm.15.2.13022.191-202

PENGEMBANGAN SOAL MATEMATIKA MODEL PISA UNTUK MENGUKUR KEMAMPUAN KOMUNIKASI MATEMATIS SISWA SEKOLAH DASAR Mardhiyanti, Devi; Putri, Ratu Ilma Indra; Kesumawati, Nila
Mathematics Education Journal Vol. 5 No. 1 (2011): Jurnal Pendidikan Matematika
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

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Penelitian ini bertujuan untuk: (1) menghasilkan soal matematika model PISA untuk mengukur kemampuan komunikasi matematis siswa sekolah dasar (SD) yang valid dan praktis; (2) mengetahui efek potensial soal matematika model PISA terhadap kemampuan komunikasi matematis siswa SD. Penelitian ini adalah penelitian pengembangan (development research) tipe formative evaluation. Subjek penelitian yaitu siswa kelas VI.E SD Xaverius 1 Palembang sebanyak 37 siswa. Teknik pengumpulan data yang digunakan dalam penelitian ini adalah walk through untuk mengetahui validitas soal secara konten, konstruk, dan bahasa; dokumen untuk mengetahui kepraktisan soal; tes dan wawancara untuk mengetahui efek potensial soal matematika model PISA terhadap kemampuan komunikasi matematis siswa. Berdasarkan hasil analisis data maka dapat disimpulkan bahwa (1) penelitian ini telah menghasilkan suatu produk soal matematika model PISA untuk mengukur kemampuan komunikasi matematis siswa SD yang valid dan praktis. Valid tergambar dari hasil penilaian validator yang menyatakan bahwa soal sudah baik secara konten (sesuai dengan ciri PISA dan indikator kemampuan komunikasi matematis), konstruk (mengembangkan kemampuan komunikasi matematis, kaya dengan konsep, sesuai dengan level siswa kelas VI SD, mengundang pengembangan konsep lebih lanjut), dan bahasa (sesuai dengan EYD, soal tidak berbelit belit, soal tidak mengandung penafsiran ganda, batasan pertanyaan dan jawaban jelas). Selain itu kevalidan soal juga tergambar dari hasil analisis butir soal pada siswa non subjek penelitian. Praktis tergambar dari hasil uji coba pada small group dimana sebagian besar siswa dapat memahami soal dengan baik; (2) prototipe soal matematika model PISA yang dikembangkan memiliki efek potensial yang positif terhadap kemampuan komunikasi matematis siswa SD, hal ini terlihat dari skor rata-rata siswa yang mencapai 47,89 dari skor maksimal 82 (termasuk kategori kemampuan komunikasi matematis baik) pada indikator komunikasi matematis, yaitu menghubungkan benda nyata, gambar, atau diagram ke dalam ide matematika; menjelaskan ide, situasi, atau relasi matematika dengan benda nyata, gambar, atau diagram; kemampuan dalam menggunakan istilah-istilah, notasi-notasi, atau simbol matematika dan struktur-strukturnya untuk menyajikan ide-ide; menarik kesimpulan, menyusun bukti, memberikan alasan atau bukti terhadap solusi. Berdasarkan wawancara dengan siswa bahwa soal matematika model PISA ini dapat menstimulasi mereka untuk mengkomunikasikan jawabannya secara tertulis dengan memberikan gambar, penjelasan, alasan, dan bukti.DOI: 10.22342/jpm.5.1.334

MENINGKATKAN KEMAMPUAN PEMAHAMAN MATEMATIS SISWA SMP MELALUI PENDEKATAN PENDIDIKAN MATEMATIKA REALISTIK INDONESIA (PMRI) Kesumawati, Nila
Mathematics Education Journal Vol. 6 No. 2 (2012): Jurnal Pendidikan Matematika
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

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Penelitian ini bertujuan mengetahui perbedaan peningkatan kemampuan pemahaman matematis siswa berdasarkan pendekatan PMRI dengan pembelajaran konvensional. Metode penelitian ini adalah penelitian eksperimen. Populasi penelitian ini adalah siswa SMP di kota Palembang, dengan sampel siswa kelas IX yang diambil secara acak dari sekolah terakreditasi A, B, dan C tahun pelajaran 2009/2010. Instrumen penelitian adalah tes kemampuan pemahaman matematis bentuk uraian. Analisis data menggunakan uji-t dan uji ANAVA dua jalur. Berdasarkan hasil analisis data diperoleh kesimpulan bahwa 1) peningkatan kemampuan pemahaman matematis siswa yang mendapat pembelajaran dengan pendekatan PMRI lebih baik daripada siswa yang mendapat pembelajaran konvensional, 2) peningkatan kemampuan pemahaman matematis siswa yang mendapat pembelajaran dengan pendekatan PMRI lebih baik daripada siswa yang mendapat pembelajaran konvensional berdasarkan akreditasi sekolah, 3) terdapat interaksi antara pendekatan dan peringkat sekolah terhadap peningkatan kemampuan pemahaman matematis.DOI: 10.22342/jpm.6.2.4086.30-44

PENGEMBANGAN BAHAN AJAR INTERAKTIF BERBASIS KOMPUTER POKOK BAHASAN LINGKARAN UNTUK KELAS VIII SEKOLAH MENENGAH PERTAMA Malalina; Kesumawati, Nila
Mathematics Education Journal Vol. 8 No. 1 (2014): Jurnal Pendidikan Matematika
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

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This development research was conducted in order to (1) develop valid and practical computer-based interactive learning materials on circles and (2) identify their effect on the leraning outcomes after they learned the materials at SMP Nurul Iman Palembang. The subjects of this research were the 34 students class VII. 7 of this school. The data were collected from walk through, documentation, observation and language. The average results were 87,11%. The materials were practical as shown by one to one try outs. The stedents achieved an average score of 73,33 that feel in the good range, and were involved the learning activities the very active (66,7%) and active (33,3%) ranges. In small group work, the students achieved an average score of 73,33 (good category) and showed levels of very active (50%). The rest were active (16,67%), fairly active (16,67%) and less active (16,67%) resepectively. Based on field test results, the materials gave effect on the students’ potential and learning outcomes. The final results of the students’ achievement were as follow : very good (20,59%), good (58,8%), adn fair (20,59%). In term of their activity levels, they were grouped into very active (27,45%), active (45,10%) and fairly active (27,45%). DOI: https://doi.org/10.22342/jpm.8.1.1861.55-70

MENINGKATKAN KEMAMPUAN PEMAHAMAN MATEMATIS SISWA SMP MELALUI PENDEKATAN PENDIDIKAN MATEMATIKA REALISTIK INDONESIA (PMRI) Kesumawati, Nila
Mathematics Education Journal Vol. 8 No. 2 (2014): Jurnal Pendidikan Matematika
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

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Co-Authors Abdul Muis Adrianus Dedy Adrianus Dedy, Adrianus AGUS SUYONO Agustini, Prima Novia Ahmad Tolib Amrullah Ahyani, Nur Alhadi Yan Putra Ali Fakhrudin Allen Marga Retta, Allen Marga Alpian Amalia Sriwijayani Amanda, Ari Amandea Triema Septiandi Aminuyati Andinasari Andinasari Andinasari Andinasari, Andinasari Anggreny, Susan Lia Anggria Septiani Mulbasari, Anggria Septiani Ani Agustianingsih Anita Carlyna Anwar Rosidi An’nisa, Pisma Apri anti Apriani, Yuliana Marlian Apriyanti, Eni Arafat, Yasir Arief Kuswidyanarko Arista, Vevitri Asnurul Isroqmi Asparingga, Ririn Asri Agustin Astari, Sharli Yunita Astriz Permata Mulia Aulia, Ananda Ayu Septiani, Widya Ayu Setyawati Azra Akila Nihaya Bahori Muslim Bela Sintia Budi Utomo Budi Utomo Bukman Lian, Bukman Darmawijoyo, Darmawijoyo Desmaniar, Ina Dessy Atikah Destia Rahmawati Junaidi Endah Destiniar Destiniar Destiniar, Destiniar Destiniar, Destiniar Destri Destri Devi Mardhiyanti Devy Nursanty Dewi, Nirmala Dina Octaria Dina Octaria Dita Sabilla Duwi Agustina Dwi Ariani Astuti, Sisca Bunga Dwi Prabuyanti Dyah Huzaifah Cempaka Eci Lestari Edi Harapan Eka Fitri Puspa Sari Eka Fitri Puspa Sari, Eka Fitri Puspa Emiliandri, Fransiska Endah, Destia Rahmawati Junaidi Ernawati Ernawati Esy Widianti Etayanti, Maya Eti, Eti Ety Septiati Fahriza Fuadiah, Nyiayu Fajri, Hardian Mei Farlia Mutiara Fenny Fajarina Afrilianti Fitri Puspa Sari, Eka Fitria Widy Hastuti Fitria Widy Hastuti Fitriana Fitriana Fitriasari, Putri Fuadiah, Nyiayu Fahriza Hamdani Hamdani Happy Fitria, Happy Harapan, Edi Harapan, Edi Haruli, Rintania Faizah Haryanti, Eliza Helda Monica Heni Pujiastuti HERA, TRENY Hertining Dyah Listiningrum Heru Heru Hesti Yuliarni Ida Lestari Idrus, Roosmaria Imanda, Eki Novta Imron Imron, Imron Indah Damayanti, Indah Irawan, David Budi Jaenah Jaenah jamila Jamila Jayanti, Regita Dwi Juhaini, Juhaini Jumroh Jumroh Jumroh, Jumroh Jumroh, Jumroh Jum’ati, Jum’ati Juwita, Indah Ratna Khobir, Khoirul Khofifah Adelivia Sudiar Khoirun Nisa, Tia Heni Lebu, Hasri Lestaria N, Yunika Liana Santi Lisnani, L Lukman Hakim Lusiana Lusiana Lusiana Lusiana, Lusiana Luthfiyah Maulidina M Zen Syukri Mala Fitri Malalina Malalina Malalina Marhamah Marhamah Marhamah Marhamah Marliani Marliani Marvinda Rizki Dita Dirgantara Marvinda Rizki Dita Dirgantara Mawaddah Mawaddah, Mawaddah Meilani, Dina Meisy Fransiska Melinda Chusnul Chotima Mentari Mentari Mentari Mentari, Mentari Meysah Rani Pradini Misdaliana Misdaliana Misdalina Misdalina Misdalina Misdalina, M Misdalina, Misdalina Mufli Yahya Muhammad Kristiawan Mulbasari, Anggria Septiani Neneng Puspita Neny Rochyani Ni Nyoman Revi Widhiyani Nia Daniyati Ningrum, Kinasti Kusuma Ningsih, Yunika Lestaria Nini Sonia Nirmala Dewi Nora Nurmilasari Nora Sulmilasari Nora Surmilasari, Nora Novriani Novriani Novriani Novriani Nugroho N.A.D Nugroho Notosutanto Arhon Dhony Nur Ahyani Nurhasanah, Putri Dewi Nurhayati Nurhayati Nurlela Nurlela Nurlela Nyamidi Nyamidi Octoviani, Eka Oktarina, Icha Patricia Lubis, Patricia Popi Ulandari Pradini, Meysah Rani Pramanika Arieyantini Pramanika Arieyantini, Pramanika Pramika, Depi Pramitha Sari Prasmita, Dyah Sari Puja Nur Fadila Puji Santoso Puput Nirwana Puri Rahayu Puspita Sari, Indah Puspita, Neneng Puspitasari, Yeni Putra, Alhadi Yan Putri Dewi Nurhasana Putri Dewi Nurhasanah Putri Fitriasari, Putri Rachel Angelina Putri Rahma Ayu, Marisa Ratu Ilma Indra Putri Rebica Afsari Refi Elfira Yuliani Resti Auvita Sari Retta, Allen Marga Rieno Septra Nery Riyoko, Endie Rizki Ayu Rizki Ayu Afrianti Rohana ROHANA ROHANA Safitri, Risa Santana, Dafri Saputra, Firman Saputra, Rivaldo Ihzan Sari Marlina Sari, Indah Wulan Sari, Resti Auvita Saronto, Saronto Sharli Yunita Astari Shofiah, Nyimas Silvia Simamora, Tohol Sisca Bunga Dwi Ariani Astuti Siti Rohayah, Siti Sugiyanto Sugiyanto Sukardi Sukardi Supriyanto, Nova Surmilasari, Nora Susanti Susanti Syarwani Ahmad Syarwani Ahmad Syarwani Ahmadi Tati Mulyani, Tati Teguh Iswanto Tika Dwi Nopriyanti Tika Dwi Nopriyanti, Tika Dwi Tobari . Tobari Tobari Tona, Tona Tri Widayatsih Umi Muhlisah Valentina Tohang Wardiah, Dessy Widihastuti, Wini Winaliyah Winaliyah Winaliyah Windiyarti, Agnes Yanti, Cinta Yesi Tahnia Yuliana, Ismi Yusuf Hartono Zulkardi Zulkardi

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