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All Journal Jurnal Karya Pendidikan Matematika Media Penelitian Pendidikan : Jurnal Penelitian dalam Bidang Pendidikan dan Pengajaran Prosiding SI MaNIs (Seminar Nasional Integrasi Matematika dan Nilai-Nilai Islami) Desimal: Jurnal Matematika JMM (Jurnal Masyarakat Mandiri) Justek : Jurnal Sains Dan Teknologi JTAM (Jurnal Teori dan Aplikasi Matematika) JCES (Journal of Character Education Society) SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Riset Teknologi dan Inovasi Pendidikan (Jartika) MATRIK : Jurnal Manajemen, Teknik Informatika, dan Rekayasa Komputer Journal of Education Technology Jurnal Pemikiran dan Penelitian Pendidikan Matematika (JP3M) EIGEN MATHEMATICS JOURNAL Jurnal Varian Southeast Asian Journal of Islamic Education Management Jurnal Visionary : Penelitian dan Pengembangan dibidang Administrasi Pendidikan Community Development Journal: Jurnal Pengabdian Masyarakat Bakti Cendana: Jurnal Pengabdian Masyarakat Journal of Didactic Mathematics JPMB: Jurnal Pemberdayaan Masyarakat Berkarakter Jurnal Visionary : Penelitian Dan Pengembangan Di Bidang Administrasi Pendidikan Jurnal Abdimas Bina Bangsa ADMA: Jurnal Pengabdian dan Pemberdayaan Masyarakat Jurnal Interaktif: Warta Pengabdian Pendidikan (JIWPP) El-Hikam: Journal of Education and Religious Studies Mahasantri: Jurnal Pendidikan dan Studi Islam Participative Journal (PJ) : Jurnal Pengabdian Pada Masyarakat Unnes Journal of Mathematics Pedagogy : Jurnal Pendidikan Matematika INCOME: Indonesian Journal of Community Service and Engagement Journal Focus Action of Research Mathematic (Factor M) Bakti Sekawan : Jurnal Pengabdian Masyarakat Jurnal Riset Teknologi dan Inovasi Pedidikan (JARTIKA) Protech Biosystems Journal Jurnal Riset Pendidikan dan Karakter Journal of Sharia Economy and Islamic Tourism Taawun: Jurnal Pengabdian kepada Masyarakat Southeast Asian Journal of Islamic Education Management Indonesian Journal of Engineering (IJE) Jurnal Elektronika dan Telekomunikasi
Habib Ratu Perwira Negara
Universitas Bumigora
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Nursing Public Health Social Sciences Other

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Worksheet Persamaan Differensial untuk Meningkatkan Kemandirian Belajar Mahasiswa Ayu Kurniawati, Kiki Riska; Perwira Negara, Habib Ratu
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 3, No 2 (2019): October
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (209.229 KB) | DOI: 10.31764/jtam.v3i2.1045

Abstract

Abstrak: Penelitian ini bertujuan untuk mengembangkan bahan ajar berupa worksheet Persamaan Differensial (PD) untuk kemandirian belajar mahasiswa. Worksheet yang dikembangkan terdiri dari beberapa subbab yakni (1) PD variable terpisah, (2) PD homogen, (3) PD eksak, dan (4) PD linier. Pengembangan produk ini menggunakan metode desain pengembangan 4-D yang dilakukan melalui 4 tahap yakni Define, Design, Develop, dan Diseminate. Subjek penelitan adalah mahasiswa dengan jumlah responden 7 mahasiswa untuk uji terbatas dan 40 mahasiswa untuk uji coba lapangan. Hasil pengembangkan yang diperoleh, nilai rata-rata persentase dari penilaian ahli adalah 75.33% yang berarti valid dan hasil uji coba terbatas diperoleh rata-rata persentase mahasiswa memberikan respon 84,29% yang berarti sangat baik serta uji coba lapangan diperoleh rata-rata persentase mahasiswa pada kelompok uji coba 1  maupun uji coba 2 memberikan respon 95.4% dan 92.9% yang berarti produk yang sedang dikembangkan berkategori sangat baik dan telah efektif, sedangkan tingkat kemandirian belajar mahasisiwa yang diperoleh dalam menggunakan worksheet persamaan difernsial adalah sedang. Sehingga ini menunjukkan bahwa worksheet yang dikembangkan dapat memberikan dampak yang positif terhadap kemandiran belajar mahasiswa. Abstract:  This research aims to develop the learning materials in the form of differential equation (PD) Worksheets for students ' independence. The worksheets are developed consisting of several subchapters, namely (1) PD variable separate, (2) PD homogeneous, (3) PD Exact, and (4) PD linear. The development of this product using 4-D development design method is done through 4 stages, namely Define, Design, Develop, and Disseminate. The research subject is a student with a total of 7 respondents for a limited test and 40 Students for field trials. The results of the development acquired, the average percentage value of the expert rating is 75.33% which means that valid and limited trial results are obtained average percentage of students give a response of 84.29% which means excellent and field trials The average percentage of students in the 1st and 2nd trial groups gave a response of 95.4% and 92.9% which means that the product under development was very good and effective, while the level of self-reliance learned the Obtained in the use of a worksheet is currently being. So this indicates that the developed worksheet can provide a positive impact on student learning.
Construct validity of a student mathematics learning style instrument using exploratory factor analysis Ahmad, Ahmad; Dos Santos, Mariano; Heniati Santosa, Farah; Ratu Perwira Negara, Habib
Journal of Didactic Mathematics Vol 6, No 3 (2025): December
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v6i3.2841

Abstract

This study seeks to validate the construction of mathematics learning style instruments for junior high school students using the Exploratory Factor Analysis (EFA) method. A total of 127 students from four schools in Central Lombok Regency, Indonesia, participated in this quantitative survey research. The instrument comprises 20 Likert scale statements designed to measure the various dimensions of a student’s mathematics learning style. The feasibility test of the data revealed a Kaiser-Meyer-Olkin (KMO) value of 0.75, and the results of Bartlett’s Test of Sphericity were significant (p < 0.001), indicating that the data was suitable for analysis using factor analysis. The results of the EFA employing the principal axis factoring and oblimin rotation methods yielded four primary factors: Visual Learning, Auditory Learning, Reading/Writing Style, and Kinesthetic Learning, which aligned with the VARK model. All items exhibited a dominant loading value of ? 0.51, with no significant cross-loading, suggesting a clean and well-defined factor structure. The balanced distribution of variance after rotation, coupled with theoretical suitability, supports the validity of the instrument’s construction. These findings suggest that this instrument is appropriate for use in academic research and educational practice, enabling teachers to design differential learning strategies that cater to students’ learning preferences, thereby enhancing engagement and learning outcomes.
Community Purchase Decision Modeling in Bali with Non-Linier Methods Ni Putu Nanik Hendayanti; Maulida Nurhidayati; Siti Soraya; Habib Ratu Perwira Negara
MATRIK : Jurnal Manajemen, Teknik Informatika dan Rekayasa Komputer Vol. 21 No. 3 (2022)
Publisher : Universitas Bumigora

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30812/matrik.v21i3.1740

Abstract

The Covid-19 pandemic has resulted in all activities having to be carried out by implementing physical distancing or social distancing in accordance with health protocols for mutual safety. The government encourages people to do more activities at home, including shopping. Consumer perception of purchasing goods online is a process of evaluating various alternatives and choosing one alternative to purchase goods using internet media. The government appealed to the public to take advantage of online shopping to minimize the spread of Covid-19. This indicates that there are factors that influence consumer perceptions of purchasing goods online during the Covid-19 pandemic. The purpose of this study was to examine the effect of perceived convenience, perceived benefits, perceived trustworthiness, and product quality on people’s purchasing decisions in Bali using the Structural Equation Modeling-Partial Least Square (SEM-PLS) approach, Support Vector Regression (SVR), and Feed Forward Neural Network (FFNN). Based on the results of the tests carried out, the SEM-PLS model is able to produce a model with an R2 value of 72.7% with a MAPE of 337.37, an SVR model of 65.88% with a MAPE of 219.56 and a FFNN model of 97.28% with a MAPE of 90.22. Based on the resulting R2 and MAPE values, the FFNN model gives the highest results compared to other models.
Validation of Students’ Perceptions Instrument for School Education Management: An Exploratory Factor Analysis in Senior High Schools Ahmad; Helmiyatun; Mariano Dos Santos; Salman Rashid; Habib Ratu Perwira Negara
Southeast Asian Journal of Islamic Education Management Vol. 6 No. 2 (2025): Manajemen Pendidikan Islam
Publisher : Universitas Islam Negeri Kiai Ageng Muhammad Besari Ponorogo (previously known as IAIN Ponorogo)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21154/sajiem.v6i2.545

Abstract

This study aims to analyze the validity of the constructs of student perception instruments using Exploratory Factor Analysis (EFA). A valid measurement of student perception is very important to do, because there are still many instruments in the context of education that do not have adequate construct validity so that they cannot be used to accurately describe student perception. The design of this study was to use a quantitative survey involving 127 high school students in West Lombok, Indonesia. The instrument consists of 20 Likert scale items covering key aspects of school management, including curriculum and learning, teacher leadership and management, student infrastructure and services, and school climate. Analysis using the EFA was conducted to explore the factor structure of students' perceptions, with technical statistical details deliberately minimized to emphasize conceptual clarity. The findings in this study show there are four coherent factors that represent management and leadership, student infrastructure and services, curriculum and learning, and school climate. These factors demonstrate a strong fit with the theory of education management and student-centered evaluation, providing evidence of construct validity for the instrument. Thus, theoretically, this study contributes to the improvement of student perception measurement by offering an empirically based factor structure to evaluate school education management. In practice, it serves as a diagnostic tool for principals and policymakers to identify strengths and areas for improvement in managerial practice, thereby supporting evidence-based decision-making and continuous quality improvement in secondary education.
Prediksi Jumlah Siswa SMP Dengan Metode Holt: Studi Kasus Provinsi NTB, NTT, dan Bali Rahmawati Rahmawati; Habib Ratu Perwira Negara; Syaharuddin Syaharuddin
Indonesian Journal of Engineering (IJE) Vol. 1 No. 2 (2021): Edisi Maret
Publisher : Fakultas Teknik Universitas Nahdlatul Ulama Nusa Tenggara Barat

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

Abstract

Abstrak: Penelitian ini dilakukan dengan tujuan untuk mengetahui hasil prediksi jumlah siswa SMP di Provinsi NTB, NTT dan Bali. Data jumlah siswa SMP diambil dari data pada Badan Pusat Statisktik (BPS) Provinsi NTB, NTT dan Bali dari tahun 2010-2020. Analisis data yang digunakan adalah metode Holt dengan Parameter akurasi yang digunakan yaitu MSE, MAPE, dan MAD. Jumlah siswa SMP Provinsi NTB menunjukkan MSE atau tingkat akurasi yang tinggi sebesar 2.283.447.351,406 dan nilai MAD sebesar 31.941,1089 serta nilai MAPE sebesar 13.6889. Kemudian untuk jumlah siswa SMP di Provinsi NTT dengan tingkat akurasi yang tinggi atau MSE sebesar 2.024.591.873,7383 untuk nilai MAD sebesar 42.670,0436 dan unutuk nilai MAPE sebesar 14.3002. Untuk jumlah siswa SMP Provinsi Bali menunjukkan bahwa nilai MSE sebesar 16.691.773,4305 dan untuk nilai MAD sebesar 3.797,5859 serta untuk nilai MAPE menunjukkan sebesar 1.9266. Hasil peramalan atau prediksi tahun 2021 jumlah siswa di provinsi NTB mengalami peningkatan dengan jumlah siswa sebanyak 2.216.595 orang. untuk provinsi NTT juga mengalami peningkatan dengan jumlah siswa sebanyak 3.346.070 orang. kemudian, untuk provinsi Bali ternyata juga mengalami peningkatan dengan jumlah siswa sebanyak 1.953.529 orang. Abstract: This study was conducted with the aim to find out the predicted number of junior high school students in NTB, NTT and Bali provinces. Data on the number of junior high school students is taken from data at the Central Statistics Agency (BPS) of NTB, NTT and Bali provinces from 2010-2020. Data analysis used is Holt method with accuracy parameters used ie MSE, MAPE, and MAD. The number of ntb provincial junior high school students showed MSE or high accuracy of 2,283,447,351,406 and MAD score of 31,941,1089 and MAPE score of 13,6889. Then for the number of junior high school students in NTT Province with a high level of accuracy or MSE of 2,024,591,873,7383 for a MAD score of 42,670.0436 and for a MAPE score of 14,3002. For the number of junior high school students in Bali Province shows that the MSE score is 16,691,773,4305 and for the MAD score of 3,797.5859 and for the MAPE value shows 1.9266. The results of forecasting or predicting in 2021 the number of students in NTB province has increased with the number of students as much as 2,216,595 people. for NTT province also increased with the number of students as many as 3,346,070 people. then, for the province of Bali also increased with the number of students as many as 1,953,529 people.
Capacity Building of Post Graduate Alumni: Concrete Implications of Participatory Action Research Methods : - Samsul Hadi; Heri Retnawati; Ali Muhson; Eko Wahyunanto Prihono; Fitria Lapele; Kartianom Kartianom; Habib Ratu Perwira Negara
TAAWUN Vol. 6 No. 01 (2026): TA'AWUN FEBRUARY 2026
Publisher : Pusat Penelitian Pengabdian Pada Masyarakat Sekolah Tinggi Ilmu Tarbiyah Al-Fattah Siman Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37850/taawun.v6i01.1209

Abstract

Alumni play a strategic role in strengthening academic networks and research dissemination. However, limited mastery of advanced data analysis remains a major barrier to publication in reputable international journals. This community service program aimed to enhance alumni data analysis capacity through a non-formal continuing education model integrating Participatory Action Research (PAR), Kirkpatrick’s evaluation framework, and hands-on training using R software. The program involved 38 graduate school alumni and was evaluated using the four Kirkpatrick levels. Results show that 68.42% of participants demonstrated high engagement (reaction), while 81.58% perceived strong relevance between training materials and their professional needs. Quantitative evaluation using PLS-SEM indicates that learning significantly influenced behavioral change (R² = 0.217), and behavior had a strong effect on results (R² = 0.399), reflected in increased frequency of R usage, application of advanced analytical techniques, and research collaboration. This program makes a real contribution in providing a structured, measurable, and sustainable model for strengthening alumni capacity, and can be replicated by other universities to improve the quality of publications and the productivity of data-based research.
Determination of the Optimum Wavelet Basis Function for Indonesian Vowel Voice Recognition Syahroni Hidayat; Habib Ratu P. N.; Danang Tejo Kumoro
Jurnal Elektronika dan Telekomunikasi Vol. 17 No. 2 (2017)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v17.42-47

Abstract

Nowadays, wavelet has been widely applied in extracting features of the signal for automatic speech recognition system. Wavelets have many families that are determined by their mother function and order. The use of different wavelets to analyze the same signal would bring different results. In many cases, a trial and error procedure is used to select the optimal wavelet family. That is because there are no particular wavelet basis functions that can be applied to the entire speech signals. Therefore, it is necessary to analyze the similarity between the speech signal and the wavelet base function. One of the methods that can be used is cross-correlation. In this study, the degree of correlation is determined between wavelet base function and Indonesian vowels. The influence of gender and consistencies of the results are also used in the analysis. The results show that db45 and db44 are most similar to male and female vowels utterance, respectively. For consistencies, only vowel e gives a consistent result. Overall, db44 is most similar to all Indonesian vowels utterance.
Validation of Students’ Perceptions Instrument for School Education Management: An Exploratory Factor Analysis in Senior High Schools Ahmad; Helmiyatun; Mariano Dos Santos; Salman Rashid; Habib Ratu Perwira Negara
Southeast Asian Journal of Islamic Education Management Vol. 6 No. 2 (2025): Manajemen Pendidikan Islam
Publisher : Universitas Islam Negeri Kiai Ageng Muhammad Besari Ponorogo (previously known as IAIN Ponorogo)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21154/sajiem.v6i2.545

Abstract

This study aims to analyze the validity of the constructs of student perception instruments using Exploratory Factor Analysis (EFA). A valid measurement of student perception is very important to do, because there are still many instruments in the context of education that do not have adequate construct validity so that they cannot be used to accurately describe student perception. The design of this study was to use a quantitative survey involving 127 high school students in West Lombok, Indonesia. The instrument consists of 20 Likert scale items covering key aspects of school management, including curriculum and learning, teacher leadership and management, student infrastructure and services, and school climate. Analysis using the EFA was conducted to explore the factor structure of students' perceptions, with technical statistical details deliberately minimized to emphasize conceptual clarity. The findings in this study show there are four coherent factors that represent management and leadership, student infrastructure and services, curriculum and learning, and school climate. These factors demonstrate a strong fit with the theory of education management and student-centered evaluation, providing evidence of construct validity for the instrument. Thus, theoretically, this study contributes to the improvement of student perception measurement by offering an empirically based factor structure to evaluate school education management. In practice, it serves as a diagnostic tool for principals and policymakers to identify strengths and areas for improvement in managerial practice, thereby supporting evidence-based decision-making and continuous quality improvement in secondary education.
VALIDITAS ISI INSTRUMEN KEMAMPUAN NUMERASI SISWA SEKOLAH DASAR KELAS V MENGGUNAKAN INDEKS AIKEN’S V Ahmad; Mariano Dos Santos; Habib Ratu Perwira Negara; Johri Sabaryati
Jurnal Riset Pendidikan Dasar Dan Karakter Vol 8 No 1 (2026): JURNAL RISET PENDIDIKAN DASAR DAN KARAKTER
Publisher : LP2M Universitas Adzkia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59701/pdk.v8i1.644

Abstract

Pengukuran kemampuan numerasi siswa Sekolah Dasar Kelas V memerlukan alat evaluasi yang teruji keakuratannya. Penelitian ini bertujuan untuk menganalisis validitas isi instrumen tes uraian kemampuan numerasi siswa Sekolah Dasar Kelas V menggunakan Indeks Aiken’s V. Penelitian pengembangan ini melibatkan 5 penilai ahli untuk mengevaluasi 9 butir soal esai kompleks berdasarkan empat domain numerasi dan tiga level kognitif Asesmen Kompetensi Minimum. Hasil analisis kuantitatif menunjukkan koefisien Indeks Aiken’s V untuk seluruh butir soal berkisar antara 0,70 hingga 0,90 dengan rerata 0,80. Seluruh butir soal dinyatakan valid secara isi karena memenuhi atau melampaui batas kritis V  0,50. Domain Geometri dan Pengukuran serta Domain Data dan Ketidakpastian mencatatkan nilai rerata validitas tertinggi sebesar 0,85, sedangkan berdasarkan level kognitif, level Penalaran meraih nilai rerata tertinggi yaitu 0,833. Hasil penelitian menyimpulkan bahwa instrumen tes uraian kemampuan numerasi siswa Sekolah Dasar Kelas V terbukti valid secara isi berdasarkan pengujian Indeks Aiken’s V.
Co-Authors Abdul Rahim Abdurahim, Abdurahim Agus Syahid Ahmad Ahmad Ahmad Ahmad Ahmad Ahmad Ahmad Ahmad ahmad01, ahmad01 Al Kusaeri Al, Kusaeri Ali Muhson Anas, Andy Sofyan Andika Ellena Saufika Hakim Maharani Anisa Firdaus Arfa, Muhammad Aulia , Rahmawati Biswadip Basu Mallik Desventri Etmy desventri etmy desventri etmy, desventri Dewi Pramita Dewi Pramita Dhea Davina Dirganti Dos Santos, Mariano Dyah, Dyah Susilowati Eko Wahyunanto Prihono Farah Heniati Santosa Farah Heniati Santosa Farah Heniati Santosa Farah Heniati Santosa, Farah Heniati Fathoni, Muhmmad Fitria Lapele Gilang Primajati Gilang Primajati Habibi Ratu Perwira Negara Habibi Ratu Perwira Negara Hammad, Rifqi Helmiyatun Hendayanti, Ni Putu Nanik Heniati Santosa, Farah Herawati, Baiq Candra Heri Fadli Heri Retnawati I Komang Wira Aditya I Nyoman Darmawan Setiaji Imam Sujadi Indrawati Ismayani , Liana Ismi, Kamila K, Tri Atmojo Kamila Ismi Kamila Ismi Kartianom Kartianom Kiki Riska Ayu Kurniawati Kiki Riska Ayu Kurniawati, Kiki Riska Ayu Kumoro, Danang Tejo Kurniadin Abd Latif Kusaeri Al Lalu Erwin Jannata Arhaditya Lalu Sucipto Maiti, Misratun Malik Ibrahim Malik Ibrahim Mariano Dos Santos Marlina Marlina Muhammad Arfa Muhammad Saifudin Muhammad Zulfikri Nur Al Fariana Nur Hardiani Nurhidayati, Maulida Pahrul Irfan Parihin Parihin Parihin Parihin Primajati, Gilang Rahmawati Rahmawati RAK, Kiki Ratni Purwasih Rifqi Hammad Rima Rahmaniah Ripai Ripai Rippi Maya Riska Ayu Kurniawati, Kiki Risma Maulidina Rizki Aprilian, Faida Rody Satriawan Rosada Rosada Sabaryati, Johri Saddam Saddam Sahrizal Fahlawi Salman Rashid Samsul Bahri SAMSUL HADI Samsuriadi Saparwadi Saparwadi Saparwadi, Saparwadi Sazlin, Ririn Atika Siti Maesaroh Siti Soraya Sukiman , Maman Sumeet Goyal Suriyati ., Suriyati Suvriadi Panggabean Syafitri Chani Saputri, Dian Syaharuddin Syaharuddin Syaharuddin Syaharuddin Syaharuddin Syaharuddin Syahroni Hidayat Tri Atmojo Kusmayadi Tri Atmojo Kusmayadi uddin, Syahar Veithzal Rivai Zainal Vera Mandailina Vera Mandailina, Vera Wikasari, Reni Wiyana As&#039;ari Zulfikri, Muhammad