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All Journal Mimbar PGSD Undiksha AKSIOMA: Jurnal Program Studi Pendidikan Matematika Edumatsains JMM (Jurnal Masyarakat Mandiri) SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Cendekia : Jurnal Pendidikan Matematika Jurnal Ilmiah Sekolah Dasar Jurnal Pendidikan Almuslim Gammath : Jurnal Ilmiah Program Studi Pendidikan Matematika Genta Mulia : Jurnal Ilmiah Pendidikan Musamus Journal of Mathematics Education Indonesian Review of Physics (IRiP) Jurnal Ilmiah Pendidikan Matematika Al Qalasadi Prosiding Seminar Nasional Pendidikan Matematika Universitas Pattimura Science Map Journal Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika JEMAS : Jurnal Edukasi Matematikan dan Sains JUPEGU–AUD : Jurnal Pendidikan Guru Anak Usia Dini Asimetris: Pendidikan Matematika dan Sains Rambideun : Jurnal Pengabdian Kepada Masyarakat AJAD : Jurnal Pengabdian kepada Masyarakat Pattimura International Journal of Mathematics (PIJMath) Journal of Artificial Intelligence and Digital Business Amalgamasi: Journal of Mathematics and Applications
Nurhayati
FKIP Universitas Almuslim Aceh
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Astronomy Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Pengaruh Kualitas Pelayanan terhadap Loyalitas Nasabah Bank Syariah Indonesia di Bireuen dalam Gadai Emas. Fermita, Cut Nanda; Nurhayati, Nurhayati; Chandra, Julian
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 4 No. 2 (2025): Mei - Juli
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v4i2.829

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh Kualitas Pelayanan terhadap Loyalitas nasabah dengan Kepuasan sebagai variabel intervening di Bank Syariah Indonesia, Kabupaten Bireun, khususnya bagi nasabah yang melakukan gadai emas. Sampel yang diambil sebanyak 230, dihitung dari lima kali jumlah indikator (46 x 5). Analisis data dilakukan menggunakan program SEM AMOS. Hasil regresi dengan menggunakan Structural Equation Modeling (SEM) menunjukkan bahwa Kualitas Pelayanan dan Kepercayaan berpengaruh signifikan terhadap Kepuasan nasabah. Selain itu, Kualitas Pelayanan, Kepercayaan, dan Kepuasan juga berpengaruh signifikan terhadap Loyalitas nasabah dalam melakukan gadai emas. Selanjutnya, Kualitas Pelayanan dan Kepercayaan memiliki pengaruh signifikan terhadap Loyalitas nasabah dengan Kepuasan sebagai variabel intervening di Kabupaten Bireun.
Students' creative thinking skills through creative problem solving learning model Fatma Zuhra; Nurhayati Nurhayati; Jasmaniah Jasmaniah; Nanda Safarati
MIMBAR PGSD Undiksha Vol. 13 No. 2 (2025): July
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jjpgsd.v13i2.94890

Abstract

Creative thinking skills (KBK) are important for students to understand concepts as a whole so they can interpret learning concepts well in order to make students successful in their learning process so they can obtain better learning outcomes. CPS is a learning model that has an influence on KBK because of its advantages, namely making it easier for students to solve problems, design an invention, and evaluate the results of the invention. The aim of this research is to determine the increase in students' KBK through the implementation of the CPS learning model. This research is a type of quasi-experimental research with a quantitative approach with a one group pretest-posttest design. This research uses a saturated sampling technique where the population and sample in this research are all class IV students at SD Negeri 1 Kuala totaling 23 students. The instrument used in this research is a test instrument which is prepared based on CBC indicators. Data analysis using SPSS version 23. The results show a Sig value. < 0.05, namely 0.00, thus Ho is rejected and Ha is accepted, it can be concluded that there is an increase in students' KBK through the implementation of the CPS learning model.
Edukasi Kesadaran Remaja tentang Pentingnya Pendidikan Seksual dan Etika Pergaulan Sehat di SMP 2 Bireuen Nurhayati Nurhayati; Cut Nanda Fermita; Ledyana Fitriani; Musrizal Musrizal; Zahraini Zahraini; Umar Iskandar
AJAD : Jurnal Pengabdian kepada Masyarakat Vol. 5 No. 3 (2025): DECEMBER 2025
Publisher : Divisi Riset, Lembaga Mitra Solusi Teknologi Informasi (L-MSTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59431/ajad.v5i3.700

Abstract

Many adolescents have not yet mastered sexual education and social boundaries at the junior high school level. Several students are unable to distinguish between safe and dangerous social behaviors. The community service program was aimed at adolescents to improve knowledge and awareness about sexual education, reproductive health, and social norms. This program was conducted at SMP Negeri 2 Bireuen with 33 students of class IX, consisting of 20 females and 13 males. The method used was a combination of interactive lectures, group discussions, question-and-answer sessions, video media, and evaluation using a one-group pretest-posttest design. The results showed that there was a significant difference in the level of knowledge before and after the intervention program. The average pretest score was 56.3, while the posttest average score was 82.7 with an increase of 26.4 points. In addition, 87.9% of the participants were able to answer correctly about the material delivered and showed a more positive attitude towards the effect of unhealthy relationships on health, with a p-value <0.05. This program effectively increases knowledge and awareness about sexual education and social norms among adolescents in SMP Negeri 2 Bireuen. It is recommended that this program be conducted periodically with active participation from schools and parents.
Implementasi Sistem Informasi Desa Berbasis NIK untuk Transformasi Layanan Administrasi dan Tanggap Bencana di Desa Mata Mamplam Nurhayati Nurhayati; Cut Nanda Fermita; Musrizal Musrizal; Ledyana Fitriani; Ilham Ilham; Syifa Safira; Indah Maulidia; Cut Fatin Noer; Cicia Intan; Fikri Ulfa; Hafiza Hafiza
AJAD : Jurnal Pengabdian kepada Masyarakat Vol. 6 No. 1 (2026): APRIL 2026
Publisher : Divisi Riset, Lembaga Mitra Solusi Teknologi Informasi (L-MSTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59431/ajad.v6i1.751

Abstract

Mata Mamplam Village faces persistent limitations in managing population administration, accessing public information, and coordinating disaster response — all of which are still handled manually, making services slow and prone to error. This community service program was designed to build and deploy a website-based Village Information System (SID) as a digital solution that addresses these specific, documented needs. The approach taken was needs-based service, involving village officials and community representatives through in-depth interviews and direct observation. The program ran through four sequential stages: needs analysis, system development, operator mentoring, and functional evaluation using black-box testing. The resulting system was built on the Next.js 14 framework with a PostgreSQL database, covering five main modules: population administration digitization based on National Identity Number (NIK) with automated PDF letter generation, public information transparency, disaster response management linked to BMKG data, a digital MSME catalog, and a no-code self-management feature. Black-box testing across all ten functional scenarios returned a 100% pass rate, and village operators demonstrated the ability to run and manage the system independently after the mentoring sessions. The deployment has measurably shifted village administrative services toward faster, more accurate, and more responsive operations.
Pemberdayaan Masyarakat melalui Inovasi Pengolahan Ikan Nila menjadi Kerupuk Bernilai Jual Tinggi di Desa Mata Mamplam Zahraini Zahraini; Nurhayati Nurhayati; Surya Darni; Sutan Febriansyah; Rahimi Rahimi; Nurul Fadhila; Rahmatul Ulya; Milu Muspika Andini; Fisma Wani; Hasnawati Hasnawati; Liza Fadhila
AJAD : Jurnal Pengabdian kepada Masyarakat Vol. 6 No. 1 (2026): APRIL 2026
Publisher : Divisi Riset, Lembaga Mitra Solusi Teknologi Informasi (L-MSTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59431/ajad.v6i1.814

Abstract

This community service activity was motivated by the community's limited knowledge and skills in processing Nile tilapia into economically valuable products. The approach used was participatory counseling and training, including material delivery, practical demonstrations, discussions, and evaluation through pretest and posttest. The program involved 30 participants, consisting of housewives and local fishery entrepreneurs. The results showed an improvement in participants' understanding, with the average pretest score of 61.10 increasing to 82.23 in the posttest, along with the ability to comprehend all processing stages from raw material selection to packaging. This activity also encouraged the community's interest in developing fish-based businesses as an alternative means to increase household income and contributed to economic empowerment as well as strengthened participation in the development of local products.
ALGORITMA BRANCH AND BOUND UNTUK MEMAKSIMALKAN KEUNTUNGAN PRODUKSI FROZEN FOOD PADA UMKM MOON LOVE Wiwin Apriani; Nurhayati Nurhayati; Weni Astari; Aprilia Wahyu Fitriana
Asimetris: Jurnal Pendidikan Matematika dan Sains Vol 6 No 1 (2025): Asimetris: Jurnal Pendidikan Matematika dan Sains
Publisher : Pendidikan Matematika Universitas Almuslim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51179/asimetris.v6i1.3280

Abstract

Penelitian ini membahas penerapan Algoritma Branch and Bound untuk memaksimalkan keuntungan produksi frozen food pada UMKM Moon Love. Dalam industri makanan, efisiensi produksi dan distribusi merupakan permasalahan yang sangat penting untuk diperhatikan, terutama untuk UMKM yang sering menghadapi keterbatasan sumber daya. Algoritma Branch and Bound digunakan untuk menyelesaikan permasalahan optimasi dengan membagi masalah menjadi sub-masalah yang lebih kecil dan mengeliminasi solusi yang tidak optimal. Penelitian ini menggunakan data sekunder yang diperoleh dari catatan harian UMKM Moon Love, kemudian menerapkan metode studi literatur untuk memahami konsep-konsep algoritma Branch and Bound serta model pemrograman linier lain nya. Hasil penelitian menunjukkan bahwa algoritma Branch and Bound memperoleh hasil yang optimal dalam menentukan jumlah produksi nugget, dimsum, dan risol pada UMKM Moon Love. Adapun keuntungan maksimal yang dihasilkan sebesar Rp. 5.840.000. Hal ini menunjukkan bahwa terjadi peningkatan keuntungan sebesar 21,2% dibandingkan dari sebelumnya. Sehingga dari penelitian ini dapat disimpulkan bahwa pentingnya metode optimasi dalam pengambilan keputusan untuk meningkatkan kinerja pada setiap usaha terutama pada UMKM Moon Love.
Value at Risk Prediction for the GJR-GARCH Aggregation Model Nurhayati Nurhayati; Wiwin Apriani; Ariestha Widyastuty Bustan
Pattimura International Journal of Mathematics (PIJMath) Vol 1 No 1 (2022): Pattimura International Journal of Mathematics (PIJMath)
Publisher : Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (470.401 KB) | DOI: 10.30598/pijmathvol1iss1pp01-06

Abstract

Volatility is the level of risk faced due to price fluctuations. The greater the volatility brings, the greater the risk. We need a measure such as Value at Risk (VaR) and volatility modeling to overcome this. The most frequently used volatility model in the financial sector is GARCH. However, this model is still unable to accommodate the asymmetric nature, so the GJR-GARCH model was developed. In addition, this study also used aggregation returns with two assets in them. This study aimed to determine the VaR prediction for the GJR-GARCH(1.1) aggregation model and its comparison with the GARCH(1.1) aggregation model. The results obtained indicate that the prediction of volatility using the GJR-GARCH(1.1) aggregation model is more accurate than the GACRH(1.1) aggregation model because it has a correct VaR value that is close to the given confidence level.
Ordinal Logistic Regression Analysis of Factors that Affecting the Blood Sugar Levels Diabetes Mellitus Patients Mayawi Mayawi; Nurhayati Nurhayati; Taufan Talib; Ariestha W Bustan; Novita S Laamena
Pattimura International Journal of Mathematics (PIJMath) Vol 2 No 1 (2023): Pattimura International Journal of Mathematics (PIJMath)
Publisher : Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/pijmathvol2iss1pp33-42

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh faktor-faktor risiko terhadap kadar gula darah pada penderita diabetes mellitus menggunakan analisis regresi logistik ordinal. Faktor-faktor risiko yang dijadikan variabel bebas adalah usia, jenis kelamin, Indeks Massa Tubuh (IMT), tekanan darah, Tingkat Kolesterol (TC), Low Density Lipoprotein (LDL), High Density Lipoprotein (HDL), Thyrocalcitonin Hormone (TCH) dan Loss Trigliserida(LTG). Data yang digunakan dalam penelitian ini diperoleh dari https://hastie.su.domains/Papers/LARS/diabetes.data. Jumlah sampel yang diambil sebanyak 100 responden yang telah terdiagnosis diabetes mellitus. Hasil penelitian menunjukkan bahwa faktor-faktor risiko seperti usia, Indeks Massa Tubuh (IMT), Tingkat Kolesterol (TC), Low Density Lipoprotein (LDL), High Density Lipoprotein (HDL) dan jenis serum Thyrocalcitonin Hormone (TCH) berpengaruh signifikan terhadap kadar gula darah pada penderita diabetes mellitus. Model logit terbaik untuk regresi logistic ordinal adalah Logit 1 yaitu g(x_1 )= -2.721-0.079 X_1+2.813〖 X〗_3+〖0.100 X〗_5-0.099 X_6-0.119 X_7-0.989 X_8 dan Logit 2 yaitu g(x_2 )= -8.571-0.079 X_1+2.813〖 X〗_3+〖0.100 X〗_5-0.099 X_6-0.119 X_7-0.989 X_8. Disimpulkan bahwa analisis regresi logistik ordinal dapat digunakan untuk mengidentifikasi faktor-faktor yang mempengaruhi kadar gula darah pada penderita diabetes mellitus dan membantu pengembangan strategi pengelolaan dan intervensi yang lebih efektif
Sistem Pakar: Identifikasi Kerusakan Menggunakan Metode Backward Chaining Chicha Rizka Gunawan; Wiwin Apriani; Taufiq Maulana; Nurhayati
Amalgamasi: Journal of Mathematics and Applications Vol. 4 No. 2 (2025): Amalgamasi: Journal of Mathematics and Applications
Publisher : Universitas Pasifik Morotai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55098/amalgamasi.v4.i2.pp71-77

Abstract

Sistem pakar merupakan salah satu penerapan kecerdasan buatan yang bertujuan meniru kemampuan seorang pakar dalam menganalisis dan memecahkan masalah tertentu. Penelitian ini bertujuan untuk membangun sistem pakar berbasis desktop guna membantu pengguna dalam mengidentifikasi jenis kerusakan pada komputer secara cepat dan akurat. Metode yang digunakan adalah Backward Chaining, yaitu proses penalaran yang dimulai dari hipotesis (kerusakan) menuju ke fakta-fakta (gejala) yang mendukung. Sistem dirancang menggunakan bahasa pemrograman Python dan antarmuka berbasis PyQt5. Berdasarkan hasil pengujian terhadap 30 kasus kerusakan, sistem memiliki tingkat akurasi 90%. Sistem ini diharapkan dapat menjadi alat bantu bagi teknisi dan pengguna dalam mendeteksi permasalahan komputer tanpa harus    langsung membuka perangkat keras.
Pemodelan Total Penjualan Komoditas dengan Diskon Harga Berbasis Distribusi Eksponensial Nurhayati
Amalgamasi: Journal of Mathematics and Applications Vol. 4 No. 2 (2025): Amalgamasi: Journal of Mathematics and Applications
Publisher : Universitas Pasifik Morotai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55098/amalgamasi.v4.i2.pp56-64

Abstract

Penelitian ini menganalisis harapan total pendapatan penjualan tiket taman hiburan dengan memodelkan kedatangan pengunjung sebagai proses Poisson dan skema diskon berdasarkan lama kunjungan yang mengikuti distribusi Eksponensial. Tujuan penelitian adalah menurunkan rumus umum harapan pendapatan dan memvalidasinya melalui simulasi. Studi kasus diadaptasi dari data kebun binatang di Bandung dengan waktu operasional sembilan jam dan interval pengamatan 15 detik. Simulasi dilakukan pada empat skenario jumlah pengunjung serta dua tingkat diskon maksimum, yaitu 50% dan 90%. Hasil menunjukkan bahwa pada laju kedatangan moderat, data simulasi sesuai dengan asumsi distribusi Poisson, sedangkan pada laju sangat rendah terjadi dominasi kejadian nol yang menurunkan kesesuaian model. Hasil simulasi dan perhitungan analitik menunjukkan perbedaan yang sangat kecil, sehingga menegaskan validitas rumus yang diturunkan. Selain itu, peningkatan jumlah pengunjung dan penurunan diskon secara konsisten meningkatkan total pendapatan.
Co-Authors Al Mahfud Saputra Aminah Aminah Aprilia Wahyu Fitriana Ariestha W Bustan Asrida Asrida, Asrida Bustan, Ariestha Widyastuty Chandra, Julian Chicha Rizka Gunawan Cicia Intan Cut Fatin Noer Cut Nanda Fermita Emi Safrina Faizah M Nur Fatimah Fatma Zuhra Fermita, Cut Nanda Fikri Ulfa Fisma Wani Fitria Arifiyanti Haerul Anwar Hafiza Hafiza Hasnawati Hasnawati Ilham Ilham Indah Maulidia Jasmaniah Jasmaniah Laamena, Novita Serly Ledyana Fitriani Liza Fadhila M Rasyidin Mahuda, Isnaini Mayawi Mayawi Mayawi Mayawi Milu Muspika Andini Muhammad Kharizmi Muhammad Rizal Munazat Salmin Musrizal Musrizal Nanda Safarati Nia Astuti Novianti Novianti Novysa Basri Nurhaliza Nurmina Nurmina Nurul Fadhila Osey Putri Salehha Rahimi Rahimi Rahma, Rahma Rahmatul Ulya Rahmi Wahyuni Rahmi Wahyuni Ramazanur, Ikram Rofiroh Rofiroh Safiratun Nadia Saleh, M Septiani Septiani Sharfina Sharfina Siti Khaulah, Siti Khaulah Sri Wahyuni Surya Darni Sutan Febriansyah Syifa Safira Taufan Talib Taufiq Maulana Umar Iskandar Weni Astari Winar, Sri Wirdatul Isnani Wiwin Apriani Wiwin Apriani Wiwin Apriani Wiwin Apriani Wiwin Apriani Yuhafliza Yuhafliza Zahraini Zahraini Zuraini Zuraini