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Kemampuan Komunikasi Matematis dalam Menyelesaikan Circle Problem Berdasarkan Self-Confidence Siswa SMP Murtafiah, Wasilatul; Setyansah, Reza Kusuma; Nurcahyani, Dhea Alvita
Jurnal Elemen Vol 7, No 1 (2021): Jurnal Elemen
Publisher : Universitas Hamzanwadi

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

As part of 21st-century skills, communication is an essential skill for students. Students 'mathematical communication tends to below, one of which is influenced by students' self-confidence. For this reason, the purpose of this study is to describe the mathematical communication skills in solving circle problems based on students' self-confidence. Determining the subject using purposive sampling technique, namely from 36 students of class VIII SMP in Madiun, East Java, Indonesia, obtained two subjects with high self-confidence (SCT) and one subject with low self-confidence (SCR). A qualitative descriptive approach was used in this study. Tests and interviews were used as data collection techniques. Data were analyzed through reduction, presentation, and concluding. The results of this study include: SCT is capable while SCR is less able to meet the indicators of mathematical communication skills both in writing and orally at the stages of understanding problems, implementing plans, and checking back; and SCT can meet mathematical communication indicators both written and oral, while SCR is less able to meet written mathematical communication indicators but can verbally at the stage of planning completion. The level of self-confidence of students differentiates their mathematical communication skills in solving problems. Thus, a teacher needs to design an appropriate question to train students' mathematical communication skills with low self-confidence.

PENGEMBANGAN BUKU IMPLEMENTASI PEMBELAJARAN BERBASIS WEB DAN APLIKASI ANDROID UNTUK MEMBAWA KAPABILITAS GURU Reza Kusuma Setyansah; Andria
KALAMATIKA Jurnal Pendidikan Matematika Vol 5 No 2 (2020): KALAMATIKA November 2020
Publisher : FKIP Universitas Muhammadiyah Prof. DR. HAMKA

This study aims to determine the results of the process of developing a web-based e-learning implementation book and an android application, as a way to hone the teaching skills of prospective teachers. The instruments in this study were observation sheets, books, and questionnaires. Based on the achievement of the product, product evaluation is needed including validation of material experts and media experts. The stages in this study with the ADDIE model are (1) analysis, (2) design, (3) development, (4) implementation, and (5) evaluation. The results of this study obtained that the web-based e-learning implementation book and android application have fulfilled (1) Validation data with the average results obtained from the media validation sheet from media experts 93.67% and 85 material experts, 33%. (2) seen a positive influence from the results of the post-test with a percentage of 91.68% and (3) shows the response of prospective teachers after using e-learning books in the main field test showed a percentage of 82.68% so that they can hone their ability to teach independently.

Profil Kemampuan Koneksi Matematis Siswa SMP dalam Pemecahan Masalah Kontekstual Berdasarkan Gaya Kognitif Arifah Dewi Novitasari; Titin Masfingatin; Reza Kusuma Setyansah
Educatif Journal of Education Research Vol 1 No 1 (2019): July
Publisher : Kreasi Teknologi Informasi

Kemampuan koneksi matematis merupakan salah satu komponen yang penting dalam pembelajaran matematika.Kemampuan koneksi matematis membuat siswa memiliki pandangan yang lebih luas terhadap matematika sebab terjadi di kehidupan sehari-hari, materi yang telah dipelajari dan bidang ilmu pengetahuan lainpun. Tujuan penelitian ini adalah untuk mendeskripsikan kemampuan koneksi matematis siswa SMP yang memiliki gaya kognitif field dependent dan field independent dalam pemecahan masalah kontekstual. Jenis penelitian ini adalah penelitian deskriptif dengan pendekatan kualitatif. Subjek penelitian ini terdiri dari 2 siswa, yaitu 1 siswa dengan gaya kognitif field dependent dan 1 siswa dengan gaya kognitif field independent. Teknik pengumpulan data terdiri dari tes dan wawancara.Teknik keabsahan data dilakukan dengan triangulasi teknik.Analisis data melaluireduksi, penyajian data, dan verifikasi. Hasil penelitian diperoleh bahwa profil kemampuan koneksi matematis siswa dalam pemecahan masalah kontekstual dengan gaya kognitif field dependent dan field independent mampu mengoneksikan masalah antartopik dalam matematika. Siswa dengan gaya kognitif field dependentbelum memiliki kemampuan untuk mengoneksikan materi matematika dengan ilmu selain matematika serta belum mampu mengoneksikan materi matematika dalam kehidupan sehari-hari. Sedangkan siswa dengan gaya kognitif field independent mampumengoneksikan materi matematika dengan ilmu selain matematika serta belum mampu mengoneksikan materi matematika dengan kehidupan sehari-hari

PENGEMBANGAN BUKU AJAR ALJABAR LINIER BERBASIS MATLAB MOBILE UNTUK MENUNJANG PEMBELAJARAN DARING Restu Lusiana; Reza Kusuma Setyansah
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 10, No 4 (2021)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Learning mathematics online, especially in Linear Algebra courses requires mathematical software-based teaching materials, to strengthen the understanding of numerical concepts. The purpose of this research is to produce MATLAB Mobile-based textbooks that are suitable to support online learning. This development research uses a 4-D model containing 4 stages, namely Define, Design, Develop, and Disseminate. This research was conducted at the Mathematics Education Study Program, the University of PGRI Madiun with 20 students as the subject of the fourth semester. The research instrument and data collection in this study used validation sheets, response questionnaires, and learning outcomes tests. Data analysis of the validation sheet and questionnaire used the Likert scale and the Guttman scale, while the data analysis of the learning outcomes test used the Normalized Gain Score (n-Gain). This study produced a Linear Algebra textbook based on MATLAB Mobile to support online learning during the Covid 19 pandemic with a validity percentage of 86,5% (valid), practicality percentage 83,4% (practical), and an n-Gain score of 46,7 (moderately effectiveness). So that the textbooks developed are suitable to support online learning.

YouTube vlog channels in basic mathematics as e-learning during the COVID-19 pandemic Vera Dewi Susanti; Ika Krisdiana; Wasilatul Murtafiah; Reza Kusuma Setyansah; Titin Masfingatin
PYTHAGORAS Jurnal Pendidikan Matematika Vol 16, No 1: June 2021
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/pg.v16i1.40932

This research aimed to produce YouTube vlog channels that are valid, practical, and effective to be used in facilitating e-learning in a basic mathematics course. The method used in this research is Research and Development (RD), which consists of four stages, namely define, design, develop, and disseminate. The subjects in this study were 62 third-semester students of the Mathematics Education Study Program at PGRI University of Madiun, Indonesia, where 50 students were field test subjects and 12 students were limited test subjects. The instruments used in this research were a validation sheet, a student response questionnaire, and a student learning outcomes test. This research produced YouTube vlog channels. Based on the validation results on teaching materials, an average score of 77% was obtained which was declared valid. Based on the student response questionnaire at the field test stage, it was obtained an average value of 75.46% which was stated to be practical. While at the limited test stage obtained a score of 81.94% which is also declared practical. Based on the learning outcomes test in the field test, the percentage of completeness was 81.82% which stated that the YouTube vlog channel was effective. Meanwhile, in the limited test stage, the completeness percentage was 82% which was also declared effective. Therefore, the produced YouTube vlog channel is feasible for use in e-learning environment.

MEDIA PEMBELAJARAN INTERAKTIF BERBASIS ANIMASI PADA MATERI STATISTIKA UNTUK SISWA KELAS 7 SMP Wigita Rezky Widjayanti; Titin Masfingatin; Reza Kusuma Setyansah
Jurnal Pendidikan Matematika Vol 13, No 1 (2019)
Publisher : Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jpm.13.1.6294.101-112

Penelitian ini bertujuan untuk mendeskripsikan kelayakan media pembelajaran interaktif berbasis animasi dalam pembelajaran matematika. Penelitian dan pengembangan ini terdiri dari fase investigasi awal, design, konstruksi, tes, evaluasi dan revisi, serta implementasi. Penelitian hanya difokuskan sampai pada fase tes, evaluasi dan revisi. Hasil penelitian adalah: 1) media pembelajaran interaktif berbasis animasi dinyatakan sangat valid yang dilihat dari hasil rata-rata penilaian validator media sebesar 89,05%, 2) media pembelajaran interaktif berbasis animasi dinyatakan praktis dari hasil rata-rata yang diperoleh dari lembar angket respon siswa mencapai 87,95% memberikan respon positif, 3) media pembelajaran interaktif berbasis animasi dinyatakan efektif digunakan dalam pembelajaran yang diketahui dari persentase ketuntasan siswa sebesar 87,50%. Dengan demikian media pembelajaran interaktif berbasis animasi layak digunakan dalam pembelajaran matematika pada materi statistika untuk siswa kelas 7 SMP.

Student Worksheets With The Spldv Calc Application To Improve Creative Thinking Abilities Ika Krisdiana; Reza Kusuma Setyansah; Indah Aditiya Pratiwi
Jurnal Pendidikan Indonesia Vol 9 No 4 (2020)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

The purpose of this development research is to develop math worksheets using the SPLDV Calc application and to find out how to improve students' creative thinking skills with a 4D development model that is modified into 3D. The stages of this research development consist of: define, design, and develop. The results of this product development are (1) fulfilling the validity criteria based on the final validation percentage of 87% for LKS and 89% for the SPLDV Calc application; (2) meet the effectiveness criteria based on the results of student learning completeness to achieve classical mastery with a percentage of 86%; (3) meeting the criteria for practicality with a student response questionnaire percentage of 85% giving a positive response. The developed worksheets can improve students' creative thinking skills, it is indicated that there is an increase in the pretest to posttest scores from the N-Gain test score of 0.73 with high interpretation, so that the student worksheets can be used by students in learning This shows that android-based worksheets make it easier to learn mathematics.

E-Learning Based on Video Presentations to Enhances Attitudes, Skills, and Pedagogical Knowledge of Prospective Teacher Students During the Covid-19 Pandemic Wasilatul Murtafiah; Ika Krisdiana; Titin Masfingatin; Vera Dewi Susanti; Reza Kusuma Setyansah
Jurnal Pendidikan Indonesia Vol 10 No 4 (2021)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

This study aims to develop an e-learning tool based on video presentations to enhances attitudes, skills and pedagogical knowledges of prospective teacher students during the Covid-19 pandemic. This type of research is Research and Design (R & D) using the Plomp development model, which consists of 3 stages: a preliminary study, design, and assessment. Data collection was carried out through observation, device validation, distribution of response questionnaires, and assessment of student learning outcomes. The results of the data analysis show that at the preliminary study stage, it was found that there were still no devices that supported learning during the Covid-19 pandemic. At the stage of design was designed, including RPS, LMS Settings, and Video Presentations. At the assessment stage, it was found that all the tools developed had valid criteria, students gave a positive response to the small and broad trials respectively of 97.68%; 98.32% so that the tools developed were included in practical criteria. The assessment of learning outcomes in the aspects of attitudes, skills, and knowledge had average completeness on the small and broad trials respectively of 82.92%; 86.99% so that the equipment used was included in the effective criteria. Thus the device developed can be said to be feasible because it meets the criteria of validity, practicality, and effectiveness. The development of e-learning based on video presentations can be used to enhance attitudes, skills, and pedagogical knowledge of prospective mathematics teacher students.

Kemampuan Komunikasi Matematis dalam Menyelesaikan Circle Problem Berdasarkan Self-Confidence Siswa SMP Wasilatul Murtafiah; Reza Kusuma Setyansah; Dhea Alvita Nurcahyani
Jurnal Elemen Vol 7, No 1 (2021): January
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/jel.v7i1.2785

As part of 21st-century skills, communication is an essential skill for students. Students 'mathematical communication tends to below, one of which is influenced by students' self-confidence. For this reason, the purpose of this study is to describe the mathematical communication skills in solving circle problems based on students' self-confidence. Determining the subject using purposive sampling technique, namely from 36 students of class VIII SMP in Madiun, East Java, Indonesia, obtained two subjects with high self-confidence (SCT) and one subject with low self-confidence (SCR). A qualitative descriptive approach was used in this study. Tests and interviews were used as data collection techniques. Data were analyzed through reduction, presentation, and concluding. The results of this study include: SCT is capable while SCR is less able to meet the indicators of mathematical communication skills both in writing and orally at the stages of understanding problems, implementing plans, and checking back; and SCT can meet mathematical communication indicators both written and oral, while SCR is less able to meet written mathematical communication indicators but can verbally at the stage of planning completion. The level of self-confidence of students differentiates their mathematical communication skills in solving problems. Thus, a teacher needs to design an appropriate question to train students' mathematical communication skills with low self-confidence.

MEDIA TUTORIAL MATLAB BERBASIS WEB DALAM METODE NUMERIK SEBAGAI PENGUATAN LITERASI DIGITAL Reza Kusuma Setyansah; Restu Lusiana
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 9, No 3 (2020)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Penelitian ini bertujuan untuk mengetahui validitas, kepraktisan, dan efektivitas media tutorial matlab berbasis web pada materi perkuliahan metode numerik sebagai penguatan literasi digital. Untuk mencapai tujuan itu digunakan model Plomp yang terdiri dari empat tahapan yaitu: fase investigasi awal, fase desain, fase realisasi/konstruksi, fase test, evaluasi dan revisi. Subjek dalam penelitian ini adalah mahasiswa semester 4 di Universitas PGRI Madiun semester keempat tahun ajaran 2019/2020. Subjek penelitian dibagi menjadi 2 jenis yaitu, subjek uji coba terbatas dan subjek uji coba lapangan. Instrumen penelitian adalah lembar validasi media tutorial matlab, angket respon mahasiswa, dan tes prestasi belajar. Hasil penelitian ini adalah (1) media pembelajaran yang dikembangkan yang memenuhi kriteria validitas 82,00%. (2) Media pembelajaran yang dikembangkan memenuhi aspek praktis 82,22% dan untuk uji coba lapangan 82,50% (3), Media pembelajaran dikembangkan untuk memenuhi kriteria efektivitas dalam uji coba terbatas 83,33% dan uji coba lapangan 87,50%. Berdasarkan hasil penelitian dapat disimpulkan bahwa media tutorial yang dikembangkan layak dan sesuai untuk digunakan sebagai penguatan literasi digital. Kondisi pencapaian penguatan literasi digital dengan menggunakan media tutorial matlab berbasis web sebesar 70,83% terkategorikan cukup dominan terhadap aspek (1) penggunaan teknologi, (2) penggunaan smartphone dan (5) Online Safety. AbstractThis study aims to determine the validity, practicality, and effectiveness of web-based matlab tutorial media on numerical method lecture materials as strengthening digital literacy. To achieve this goal, the Plomp model is used which consists of four stages, namely: the initial investigation phase, the design phase, the realization / construction phase, the test phase, evaluation and revision. The subjects in this study were 4th semester students at PGRI Madiun University in the fourth semester of the 2019/2020 school year. Research subjects are divided into 2 types, namely, limited trial subjects and field trial subjects. The research instruments were the validation sheet of the matlab tutorial media, student response questionnaires, and learning achievement tests. The results of this study are (1) developed learning media that meet the validity criteria of 82.00%. (2) The learning media developed fulfills the practical aspects of 82.22% and for field trials 82.50% (3), the learning media is developed to meet the effectiveness criteria in limited trials 83.33% and field trials 87.50%. Based on the research results, it can be concluded that the tutorial media developed are feasible and suitable for use as digital literacy strengthening. The condition for achieving digital literacy strengthening using web-based matlab tutorial media is 70.83% categorized as quite dominant in aspects (1) use of technology, (2) use of smartphones and (5) Online Safety.

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