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All Journal AKSIOMA: Jurnal Program Studi Pendidikan Matematika AlphaMath: Journal of Mathematics Education KALAMATIKA Jurnal Pendidikan Matematika Unisda Journal of Mathematics and Computer Science (UJMC) Abdimas Dewantara Prima: Jurnal Pendidikan Matematika JKPM (Jurnal Kajian Pendidikan Matematika) Jurnal Ilmiah Matematika dan Pendidikan Matematika (JMP) Indonesian Psychological Research Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Mosharafa: Jurnal Pendidikan Matematika International Journal of Economy, Education and Entrepreneurship (IJE3) International Journal of Multidisciplinary Research and Literature (IJOMRAL) Prosiding Seminar Nasional Hasil-hasil Penelitian dan Pengabdian Pada Masyarakat Jurnal Pendidikan MIPA

Gunawan Gunawan

Universitas Muhammadiyah Purwokerto

Author-ID : 1571128

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

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KARAKTERISTIK OPERATOR HIPONORMAL-p PADA RUANG HILBERT Gunawan Gunawan
Jurnal Ilmiah Matematika dan Pendidikan Matematika Vol 6 No 2 (2014): Jurnal Ilmiah Matematika dan Pendidikan Matematika
Publisher : Jurusan Matematika FMIPA Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jmp.2014.6.2.2909

This article discusses the definition and properties of p-hiponormal operators for p>0. To investigate the properties of p-hiponormal operators, the concept of positive operators, partial isometry operators, decomposition of operators, and existence of partial isometry operators for any operator on a Hilbert space are required.

PENYUSUNAN ARTIKEL ILMIAH UNTUK ALUMNI PENDIDIKAN MATEMATIKA UNIVERSITAS MUHAMMDIYAH PURWOKERTO Reni Untarti; Akhmad Jazuli; Fitrianto Eko Subekti; Gunawan; Anggun Badu Kusuma
ABDIMAS DEWANTARA Vol 5 No 1 (2022)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/ad.v5i1.10725

Tujuan dari kegiatan ini adalah melakukan pelatihan guru-guru matematika alumni Pendidikan Matematika UMP dalam menyusun artikel ilmiah dan mempublikasikannya dalam jurnal ilmiah berindeks sinta. Hal ini perlu dibiasakan kepada guru-guru matematika sebagai proses pengembangan diri berkelanjutan yang dapat bermanfaat pada peningkatan kemampuan dan proses kenaikan pangkat. Adapun metode yang digunakan dalam kegiatan ini adalah ceramah, diskusi, tanya jawab, praktik, dan pendampingan. Target luaran dari kegiatan pelatihan ini adalah melakukan pelatihan untuk guru-guru matematika alumni Pendidikan Matematika UMP dalam menyusun artikel ilmiah. Selain itu, keberlanjutan dari kegiatan ini adalah dihasilkannya artikel ilmiah guru-guru matematika alumni Pendidikan Matematika yang dipublikasikan pada jurnal nasional berindeks sinta. Berdasarkan hasil observasi dan angket, maka dapat disimpulkan bahwa kegiatan pelatihan ini sesuai dengan kebutuhan guru sebagai mitra, karena dapat memberikan informasi dan menambah motivasi mitra dalam menulis artikel dan mempublikasikannya. Dengan adanya kegiatan ini juga dapat meningkatkan kerja sama institusi dan meningkatkan peran aktif dan kepedulian alumni dalam pengembangan program studi.

KARAKTERISTIK KEMAMPUAN LITERASI STATISTIKA SISWA DALAM MENYELESAIKAN MASALAH MODEL PISA Gunawan Gunawan; Nurhikmah Widi Asriani; Fitria Zana Kumala; Lukmanul Akhsani; Sri Rohmawati
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 11, No 3 (2022)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Statistical literacy skills have an essential role in various fields of life, one of which is education. This study describes students' statistical literacy skills in solving PISA model questions. This type of research is descriptive-qualitative. The research subjects were students of class VIII Junior High School. Collecting data in this study using tests and interviews. The purposive sampling technique was used to sample 6 students, categorized into three, namely high, medium, and low. Data analysis was carried out using the Mile and Huberman model consisting of data reduction, data presentation, and concluding. The results showed that students in the high and medium categories met all indicators of statistical literacy skills, namely understanding information, processing data, interpreting data, and evaluating. Students in the low category cannot master the evaluation indicators due to several internal factors.

Growth Mindset Guru: Studi Efektivitas Pelatihan Menumbuhkan Growth Mindset pada Guru Fatin Rohmah Wahidah; Sheila Anjarani; Nur'aeni Nur'aeni; Gunawan Gunawan; Nindya Pranita
Indonesian Psychological Research Vol. 4 No. 2 (2022): IPR Juli 2022
Publisher : Program Studi Psikologi UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/ipr.v4i2.755

Motivasi menjadi hal penting untuk dimiliki guru. Salah satu variabel yang baru-baru ini diteliti dalam dunia pendidikan dan diketahui berpengaruh pada motivasi adalah growth mindset. Beberapa penelitian untuk menguji efektivitas pelatihan growth mindset, namun belum diketahui efektivitasnya pada guru. Penelitian ini bertujuan mengetahui efektivitas pelatihan growth mindset pada guru, apakah terdapat perbedaan growth mindset guru sebelum dan setelah mengikuti pelatihan growth mindset? Sebanyak 15 guru dari sekolah menengah pertama berpartisipasi dalam penelitian ini. Penelitian ini menggunakan pendekatan kuantitatif, kuasi eksperimen. Sekelompok guru diberikan perlakuan dengan sebelumnya diberikan pre-test dan post-test setelahnya untuk mengetahui perbedaan growth mindset yang dimiliki guru. Adapun pre-test dan post-test dilakukan dengan memberikan skala growth mindset guru (α Cronbach = 0,783). Wilcoxon test paired sample menjadi teknik analisis statistik yang digunakan dalam studi ini. Hasil penelitian ini menunjukkan tidak terdapat perbedaan signifikan growth mindset pada guru, sebelum dan setelah mengikuti pelatihan growth mindset (M differences= 0.15; SE differences = 0.725; p>0,05), namun terjadi peningkatan skor mean setelah pelatihan. Studi lebih lanjut dibutuhkan agar terjadi efektivitas. Hasil penelitian lain yang berkaitan juga didiskusikan pada bagian pembahasan.

DESCRIPTION OF STUDENT'S MATHEMATIC COMMUNICATION ABILITY REVIEWING FROM PERCEPTION OF MATHEMATICS Joko Purwanto; Cahya Setyautami; Gunawan Gunawan; Nuhyal Ulia; Jaka Wijaya Kusuma
International Journal of Economy, Education and Entrepreneurship Vol. 2 No. 3 (2022): International Journal of Economy, Education and Entrepreneurship
Publisher : Yayasan Education and Social Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53067/ije3.v2i3.119

This study aims to describe the mathematical communication skills of class VII students in terms of students' perceptions of mathematics in class VII statistics material. The data sources of this research were students of class VII C of SMP Negeri 1 Sumbang. Respondents in this study were taken by purposive sampling method. Students are categorized into three categories, namely high, medium, and low perceptions of mathematics. The method used for data collection in this study was a questionnaire on students' perceptions of mathematics, mathematical communication skills tests, and interviews. Based on the results of research that has been done, it can be concluded that students who have a good perception of mathematics are able to meet the three indicators of mathematical communication skills, students who have an ordinary perception of mathematics are quite capable of meeting the three indicators of mathematical communication skills and students who have poor perceptions towards mathematics tend not to be able to meet the indicators of mathematical communication skills

DEVELOPMENT OF AUGMENTED REALITY LEARNING MEDIA TO IMPROVE MATHEMATIC SPATIAL ABILITY Gunawan Gunawan; Nuhyal Ulia; Agung Muhammad Iqbal; Jaka Wijaya Kusuma
International Journal of Economy, Education and Entrepreneurship Vol. 2 No. 3 (2022): International Journal of Economy, Education and Entrepreneurship
Publisher : Yayasan Education and Social Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53067/ije3.v2i3.120

This study aims to develop Augmented Reality (AR) learning media to improve the mathematical spatial ability of junior high school students on geometry material. The method used is research and development (R&D). The learning media developed in this research is Augmented Reality, called Virtual Geometry. The research instrument consisted of a validation sheet, an observation sheet, and a spatial ability test. Data collection techniques used are unstructured interviews and observations. Data analysis techniques in this study include validity, practicality, and effectiveness. The results showed that Augmented Reality-based Virtual Geometry learning media met the valid and practical aspects. The media is effective in increasing spatial ability

MENINGKATKAN KEMAMPUAN PEMAHAMAN KONSEP MATEMATIS MELALUI PROBLEM BASED LEARNING (PBL) DENGAN STRATEGI PROBLEM POSING SISWA KELAS VI SD NEGERI 1 PANINGKABAN Yudha Febrianta; Gunawan Gunawan
PROSIDING SEMINAR NASIONAL LPPM UMP Vol 2 (2020): PROSIDING SEMINAR NASIONAL LPPM UMP 2020
Publisher : Lembaga Publikasi Ilmiah dan Penerbitan (LPIP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (314.138 KB)

Penelitian ini bertujuan untuk mendeskripsikan kemampuan berpikir kritis peserta didik kelas kelas VI SD Negeri 1Paningkaban ditinjau dari kemandirian belajar. Metode penelitian yang digunakan dalam penelitian ini adalah metode penelitian deskriptif kualitatif. Subjek dalam penelitian ini adalah siswa kelas VI SD Negeri 1 Paningkaban yang berjumlah 28 peserta didik. Pengambilan sampel dilakukan menggunakan teknik purposive sampling. Dalam satu kelas dipilih 2 peserta didik dengan kategori kemandirian belajar mulai terlihat, 3 peserta didik dengan kategori kemandirian belajar mulai berkembang dan 2 peserta didik dengan kategori kemandirian belajar membudaya yang memiliki komunikasi baik agar dapat menggali informasi dengan mudah. Pengumpulan data dalam penelitian ini menggunakan angket, tes, wawancara dan dokumentasi. Teknik analisis data yang diguakan meliputi reduksi data, penyajian data dan menarik kesmipulan. Uji validasi yang digunakan adalah triangulasi teknik. Hasil penelitian menunjukan bahwa peserta didik dengan kategori kemandirian belajar mulai terlihat belum menguasai semua indikator kemampuan berpikir kritis, yaitu kemampuan menganalisis, mensintesis, memecahkan maslaah, menyimpulkan dan mengevaluasi. Peserta didik dengan kategori kemandirian belajar mulai berkembang hanya mampu menguasai indikator kemampuan menganalis, mensintesis dan memecahkan masalah. Peserta didik dengan kategori kemandirian belajar membudaya sudah dapat menguasai semua indikator kemampuan berpikir kritis.

DESCRIPTION OF UNDERSTANDING MATHEMATICAL CONCEPTS ABILITY BASED ON BRAIN DOMINATION Meike Wigati; Gunawan Gunawan; Lukmanul Akhsani; Jaka Wijaya Kusuma
International Journal of Multidisciplinary Research and Literature Vol. 2 No. 2 (2023): INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH AND LITERATURE
Publisher : Yayasan Education and Social Center

One of the essential cognitive aspects of learning mathematics is the ability to understand concepts. This study describes the ability to understand students' mathematical concepts based on brain dominance. The type of research used is descriptive qualitative. The research subjects were high school students. The instruments used were tests, questionnaires, and interview guidelines. Data analysis techniques consist of data reduction, presentation, and conclusion. The results showed that students left brain dominant student has excellent mathematical concepts understanding ability, provide clear and detailed information, provide examples with different shapes or arrangements, use symbols other than numbers, and they are confident that they understand the concepts. Meanwhile, right-brain dominant students have a relatively good mathematical concepts understanding ability, tend to convey information randomly using their language, provide examples with similar shapes or arrangements, and must be more sure that they understand the concept

IMPROVING PERSONAL RESILIENCE AND STUDENT LEARNING ACHIEVEMENT THROUGH PROBLEM-BASED INSTRUCTION LEARNING Joko Purwanto; Gunawan Gunawan; Jaka Wijaya Kusuma
International Journal of Economy, Education and Entrepreneurship Vol. 3 No. 1 (2023): International Journal of Economy, Education and Entrepreneurship
Publisher : Yayasan Education and Social Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53067/ije3.v3i1.135

Using the problem-based instruction learning model, this study aims to increase personal resilience and student achievement. The subjects of this study were 32 class VII students of SMP Negeri 1 Banyumas. This type of research is a class action consisting of three cycles. At the end of each cycle, an assessment is made regarding teacher activity, student activity, student personal resilience, and learning achievement—data collection techniques comprised of teacher and student activity observation sheets, individual resilience questionnaires, and tests. The results showed that using problem-based instruction, personal resilience, and student learning achievement were proven to increase. This can be seen from the quantitative data for each cycle

DESCRIPTION OF STUDENT'S REFRACTIVE THINKING IN VIEW OF PERSONALITY TYPES Chumaedi Sugihandardji; Nurul Istiqomah; Ari Wardayani; Erni Widiyastuti; Gunawan Gunawan; Jaka Wijaya Kusuma
International Journal of Multidisciplinary Research and Literature Vol. 2 No. 3 (2023): INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH AND LITERATURE
Publisher : Yayasan Education and Social Center

This study aims to describe the refractive thinking of class VIII B students of SMP Negeri 1 Sumbang. They are distributed in terms of thinking and feeling personality types. This type of research is qualitative research. The sample of this study was six students from class VIII B who were selected using a purposive sampling method. Data collection techniques are questionnaires, refractive thinking tests, interviews, and documentation. Data analysis techniques are divided into three stages: data reduction, data presentation, and conclusion. The results of this study indicate that students with the thinking personality type can gather information on the problem, link information in the issue with prior knowledge, propose solutions or alternative solutions to problems, eliminate solutions or alternative solutions to issues, carry out appropriate solving strategies and re-examine the solutions that have been obtained. Feeling personality type, students can gather information on the problem, relate the information in the issue with previous knowledge, and propose solutions or alternative solutions to problems

Co-Authors Agung Muhammad Iqbal Akhmad Jazuli Ardony Misbahul Munir Ari Wardayani, Ari Cahya Setyautami Chumaedi Sugihandardji Desy Puspitasari Dinar Muflihati Eka Setyaningsih Erni Widiyastuti Fatin Rohmah Wahidah Ferry Ferdianto Fitria Zana Kumala Fitrianto Eko Subekti Herdian Herdian Irfan Saeful Hidayat Jaka Wijaya Kusuma Joko Purwanto Kusno Kusno Kusuma, Anggun Badu Lukmanul Akhsani Makhful Makhful Meike Wigati Miranti, Indira Pipit Nindya Pranita Nuhyal Ulia Nuhyal Ulia, Nuhyal Nur'aeni Nur'aeni Nurhikmah Widi Asriani Nurul Istiqomah Reni Untarti Sairan Sairan Salma Nur Azizah Sari Muliawanti Setiyani Sheila Anjarani Sri Rohmawati Yudha Febrianta Yusak Wijaya Y

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