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All Journal Indonesia Medicus Veterinus Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Penggunaan Media Sains Flipbook dalam Pembelajaran IPA di Sekolah Dasar IKRA-ITH Informatika : Jurnal Komputer dan Informatika Pendas : Jurnah Ilmiah Pendidikan Dasar WAHANA PENDIDIKAN DASAR Sains dan Matematika COUNSENESIA Indonesian Journal of Guidance and Counseling Lumbung Inovasi: Jurnal Pengabdian Kepada Masyarakat IJORER : International Journal of Recent Educational Research Inovasi Fisika Indonesia (IFI) Jurnal Pijar MIPA Jurnal Muassis Pendidikan Dasar Jurnal Jamsostek Jurnal Ilmiah Pengabdian Kepada Masyarakat (Nyiur-Dimas)
Endah Rahmawati
Universitas Negeri Surabaya
Religion Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Social Sciences Veterinary Other

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Studi Implementasi Teknologi Blockchain untuk Meningkatkan Partisipasi Pekerja Rentan di Kota dan Kabupaten Tegal Rahmawati, Endah
Jurnal Jamsostek Vol. 3 No. 1 (2025): Juni
Publisher : BPJS Ketenagakerjaan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61626/jamsostek.v3i1.85

Abstract

Penelitian ini mengkaji potensi teknologi blockchain untuk meningkatkan inklusi sosial pekerja rentan melalui sistem jaminan sosial ketenagakerjaan di Indonesia, dengan fokus pada implementasi di Kota dan Kabupaten Tegal. Tujuannya adalah mengevaluasi kemampuan blockchain dalam memperluas cakupan kepesertaan jaminan sosial, mengidentifikasi tantangan implementasi teknologi ini, dan menganalisis manfaatnya dalam menciptakan sistem jaminan sosial yang lebih aman, transparan, dan efisien. Metode yang digunakan mencakup analisis sistem, identifikasi masalah dalam sistem pembiayaan jaminan sosial saat ini, pengumpulan data sekunder, serta perancangan model blockchain berbasis distributed ledger dan smart contracts. Hasil penelitian menunjukkan bahwa blockchain dapat meningkatkan keamanan data, mengurangi biaya administrasi, dan meningkatkan keandalan verifikasi data pekerja rentan. Teknologi ini juga memperkuat akuntabilitas dan kepercayaan publik melalui pencatatan transaksi yang transparan dan tidak dapat dimanipulasi. Namun, adopsi di Tegal menghadapi tantangan berupa kebutuhan biaya investasi awal yang tinggi, kejelasan kerangka regulasi, dan peningkatan kesadaran pemangku kepentingan. Keberhasilan implementasi bergantung pada kolaborasi pemerintah daerah, sektor swasta, dan masyarakat sipil dalam membangun infrastruktur yang mendukung. Temuan ini diharapkan dapat memperkuat inklusi sosial dan keadilan dalam sistem jaminan sosial, sekaligus membuka peluang penerapan teknologi blockchain secara lebih luas di Indonesia.
Analysis of Critical Thinking Skills of Prospective Elementary School Teacher Student Julianto, Julianto; Wiryanto, Wiryanto; Suprayitno, Suprayitno; Susetyo R, Asri; Hidayati, Fitria; Rahmawati, Endah
IJORER : International Journal of Recent Educational Research Vol. 4 No. 3 (2023): May
Publisher : Faculty of Teacher Training and Education Muhammadiyah University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46245/ijorer.v4i3.302

Abstract

Objective: Education is one of the basic needs of humans. The current educational challenge is to produce individuals who can compete in the 21st century. We can access various information freely via the internet, and there is no guarantee that the news we see is true. To use this information properly, individuals must evaluate data and information sources. Method: The type of research used is qualitative research. The population in this study is all ESTE FoE Unesa students, and the sample used is the 2018-2020 class. The sample used was class 2019, D, and F, totaling 84 students. The data collection method used in this study is the test. The instrument used in this study was a critical thinking skills test. Data analysis was carried out in percentage terms. Results: The results showed that the critical thinking skills of Elementary School Teacher Education Faculty of Education Unesa students were in a low category. The results of this study are expected to be used by lecturers or researchers to design and develop learning activities that can facilitate students to practice critical thinking skills. Novelty: Lecturers can design the implementation of learning in the classroom that trains critical thinking skills to become more qualified, effective, and efficient.
Tidal Flood Prediction in Surabaya Based on Hydrometeorological Data Using Gradient Boosting and Logistic Regression Setyaningrum, Kartika Dwi Indra; Masfufah, Kiki Syalasyatun; Rahmawati, Endah; Hermanto, Ady
Jurnal Pijar Mipa Vol. 20 No. 6 (2025)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v20i6.10068

Abstract

This research aims to develop a predictive model for tidal inundation at Tanjung Perak Port in Surabaya, a region identified as critical and highly susceptible to such events. The foundational data incorporated comprises hydrometeorological indicators, such as lunar cycles, tidal patterns, and precipitation levels, which were sourced from the BMKG Tanjung Perak Maritime Meteorological Station. A dataset comprising 26,275 individual data points was compiled and subsequently partitioned into training sets (80% of the data) and validation sets (20%) via randomization. This apportionment is intended to support the robustness and applicability of the developed model. The initial data preparation phase involved techniques such as data normalization, imputation of missing values, and the determination of variable weights based on their respective degrees of impact. Subsequently, two distinct machine learning methodologies were employed to construct the predictive framework: Gradient Boosting (specifically, XGBoost) and Logistic Regression. The efficacy of the resultant models was rigorously assessed using various metrics, including accuracy, confusion matrix analysis, ROC-AUC scores, and feature significance analysis. Analysis of the outcomes indicated that the Gradient Boosting model achieved a superior accuracy of 99.96%, whereas Logistic Regression attained 99.85%. An examination of the features revealed that lunar cycles and tidal conditions were the principal determinants of tidal inundation, with precipitation exerting a comparatively minor effect. These observations substantiate the efficacy of integrating suitable data preparation techniques with machine learning methodologies to achieve precise predictive outcomes. The principal contribution of this investigation is the establishment of a computational framework to facilitate the development of an advanced warning system for tidal flooding, thereby aiding hazard reduction and limiting adverse societal, financial, and operational consequences in littoral regions.
Rancangan Sistem Pendukung Keputusan Pemilihan Calon Pegawai Honorer Pemerintah Kabupaten Lamandau Menggunakan Metode Profile Matching Irmayanti, Ade; Rahmawati, Endah; Julita, Maya
IKRA-ITH Informatika : Jurnal Komputer dan Informatika Vol. 8 No. 3 (2024): IKRAITH-INFORMATIKA Vol 8 No 3 November 2024
Publisher : Fakultas Teknik Universitas Persada Indonesia YAI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37817/ikraith-informatika.v8i3.4368

Abstract

This study aims to design a Decision Support System (DSS) that implements the Profile Matchingmethod for the selection of honorary employees in the Lamandau District Government. The oftennon-systematic selection process results in less objective decisions, necessitating a system that canenhance effectiveness and transparency in decision-making. The Profile Matching method is usedto compare the profiles of candidates with predetermined criteria, leading to a fairer and moreaccurate selection process. Data were collected through interviews with relevant stakeholders inthe Lamandau District Government, which were then analyzed to identify appropriate selectioncriteria. The findings indicate that the application of DSS can reduce subjectivity and improveclarity in the evaluation process. Additionally, the designed computer-based system facilitatesfaster data processing and presents information in a more comprehensible manner. Thus, thisresearch is expected to make a significant contribution to the development of employee selectionsystems in local government and enhance the quality of human resources in public service. Theimplementation of information technology in DSS is anticipated to serve as a reference for futureresearch in decision-making and human resource management.
Pemberdayaan Masyarakat Melalui Eco-Enzyme untuk Pengelolaan dan Degradasi Limbah Cair Industri Tempe di Desa Sukorejo Trenggalek Firdaus, Rohim Aminullah; Rahmawati, Endah; Dzulkiflih, Dzulkiflih; Khoiro, Muhimmatul; Putri, Nugrahani Primary; Yantidewi, Meta
Lumbung Inovasi: Jurnal Pengabdian kepada Masyarakat Vol. 10 No. 4 (2025): December
Publisher : Lembaga Penelitian dan Pemberdayaan Masyarakat (LITPAM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/6eyqtz37

Abstract

Limbah cair industri tempe memiliki beban organik tinggi (COD, BOD, TSS) yang berpotensi menurunkan kualitas lingkungan jika dibuang tanpa pengolahan. Sebagian besar pelaku UMKM tempe di pedesaan belum memiliki akses terhadap teknologi pengolahan yang murah dan sederhana, sehingga diperlukan pendekatan alternatif berbasis partisipasi masyarakat. Kegiatan Pengabdian kepada Masyarakat (PKM) ini bertujuan memberdayakan warga Desa Sukorejo, Trenggalek dalam pengelolaan limbah cair menggunakan eco-enzyme hasil fermentasi sampah organik rumah tangga. Berbeda dari pendekatan konvensional, kegiatan ini menerapkan model partisipatif dengan pembuatan dan penerapan eco-enzyme berbasis rumah tangga yang terintegrasi dengan monitoring masyarakat, sebuah pendekatan yang belum umum diterapkan pada pengelolaan limbah tempe skala kecil. Metode meliputi pemetaan pelaku usaha, sosialisasi, pelatihan pembuatan eco-enzyme (rasio 3:1:10; fermentasi ±90 hari), penyusunan SOP aplikasi (1–5% v/v), dan pendampingan uji sederhana (pH, bau, kekeruhan). Program diikuti 18 peserta dan menghasilkan kelompok pengelola serta unit percontohan. Observasi menunjukkan penurunan bau dan kekeruhan dalam 24–48 jam serta peningkatan pengetahuan peserta. Evaluasi respon peserta menunjukkan kategori sangat baik (rata-rata >90%). Kegiatan ini efektif meningkatkan kapasitas masyarakat dan menunjukkan potensi eco-enzyme sebagai solusi awal pengolahan limbah cair tempe yang murah dan berkelanjutan. Community Empowerment Through Eco-Enzymes for the Management and Degradation of Liquid Waste from Tempeh Industries in Sukorejo Village, Trenggalek Abstract Liquid waste from tempeh production contains high organic loads (COD, BOD, TSS) that can degrade environmental quality if discharged without proper treatment. Most small-scale tempeh producers in rural areas lack access to simple and low-cost treatment technologies, necessitating an alternative approach grounded in community participation. This Community Service Program (PKM) aims to empower residents of Sukorejo Village, Trenggalek in managing liquid waste using eco-enzymes produced from the fermentation of household organic waste. Unlike conventional approaches, this program adopts a participatory model involving the household-based production and application of eco-enzymes integrated with community monitoring—an approach that is rarely implemented for small-scale tempeh wastewater management. The methods included stakeholder mapping, awareness-building activities, training on eco-enzyme production (3:1:10 ratio; ± 90-day fermentation), preparation of application SOPs (1–5% v/v), and facilitation of simple testing (pH, odor, turbidity). The program involved 18 participants and resulted in the formation of a management group and a pilot demonstration unit. Observations indicated reductions in odor and turbidity within 24–48 hours, alongside improved participant knowledge. Participant response evaluations showed excellent results (average >90%). This program effectively enhanced community capacity and demonstrated the potential of eco-enzymes as a low-cost and sustainable preliminary solution for treating liquid waste from tempeh production.
DESAIN ANTENA MIKROSTRIP FOLDED DIPOLE PADA JARINGAN SELULAR 5G arnando, steven; Firdaus, Rohim Aminullah Firdaus; Rahmawati, Endah; Khoiro, Muhimmatul; Winarno, Nanang
Inovasi Fisika Indonesia Vol. 14 No. 3 (2025): Vol 14 No 3
Publisher : Prodi Fisika FMIPA Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ifi.v14n3.p429-435

Abstract

Abstrak Artikel penelitian ini membahas tentang antena patch mikrostrip yang dibuat untuk komunikasi nirkabel. Bahan substrat yang digunakan yaitu FR-4 (lossy) dengan permitivitas dielektrik 4,3. Antena ini dirancang dengan menggunakan software CST Studio Suite. Desain antena patch mikrostrip yang ukurannya kecil, mudah difabrikasi, dan biaya yang murah telah dianalisis dalam artikel ini. Dari antena yang diusulkan memiliki return loss -34 dB dengan bandwidth sebesar 268 MHz pada return loss dibawah -10 dB. VSWR terendah pada frekuensi 3,5 GHz yaitu sebesar 1,01868. Antena ini dapat diaplikasikan pada ponsel, dan aplikasi LAN nirkabel.   Abstract This research article discusses microstrip patch antennas designed for wireless communication. The substrate material used is FR-4 (lossy) with a dielectric permittivity of 4.3. This antenna is designed using CST Studio Suite software. The design of the small-sized microstrip patch antenna, which is easy to fabricate and low-cost, has been analyzed in this article. The proposed antenna has a return loss of -34 dB with a bandwidth of 268 MHz at a return loss below -10 dB. The lowest VSWR at a frequency of 3.5 GHz is 1.01868. This antenna can be applied to radar systems, mobile phones, and wireless LAN applications.
Overcoming Misconceptions of Elementary School Students in Energy Materials and Their Changes Using the Colorado PhET Application Widyalistyorini, Dian; Nur Siyam, Isnaini; Fida Yanti, Wiwin; Setiawati Tri Rezeki, Irma; Julianto, Julianto; Rahmawati, Endah
Teknodika Vol 22, No 2 (2024): Teknodika
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/teknodika.v22i2.88443

Abstract

Given the critical role of energy in our daily lives and the increasing complexity of energy systems, addressing misconceptions about energy among elementary students is imperative for fostering energy literacy and responsible citizenship. This research aims to overcome elementary school (SD) students' misconceptions in understanding the concept of energy and its changes by using the PhET Colorado simulation application. Misconceptions in science learning at the basic level can hinder students' understanding of more complex concepts at the next level of education. The PhET Colorado app provides interactive simulations that allow students to learn through virtual experiments, thereby helping clarify concepts that are difficult to understand. This research uses an experimental method with a pretest-posttest control group design. Students were divided into two groups: an experimental group that used PhET simulations and a control group that used conventional learning methods. Data was collected through written tests and observation of learning activities. Data analysis was carried out by comparing the pretest and posttest results of the two groups to measure the increase in understanding of the concept of energy and its changes. The results showed that the use of the PhET Colorado simulation significantly improved students' understanding of the concept of energy and its changes. Students who study with PhET experience a greater reduction in misconceptions compared to students who study through conventional methods. These findings indicate that interactive simulation-based learning can be an effective strategy in overcoming misconceptions in elementary school students, as well as increasing their interest and motivation in learning science.
PENGEMBANGAN POJOK LITERASI DALAM MENINGKATKAN KEMAMPUAN LITERASI DASAR SISWA SD NEGERI 1 GULAK GALIK BANDAR LAMPUNG Elvadola, Connyta; Rahmawati, Endah; Putra, Agung Dian; Asmarani, Yuli
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 02 (2026): Volume 11 Nomor 02, Juni 2026 Published
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i02.44656

Abstract

This study aims to develop a literacy corner to improve students’ basic literacy skills namely reading literacy, science literacy, and mathematics literacy at SD Negeri 1 Gulak Galik in Bandar Lampung. This study employs a research and development (R&D) methodology, comprising the stages of needs analysis, design, development, implementation, and evaluation. Data collection techniques include observation, questionnaires, and documentation. The research instruments consist of observation sheets to assess teachers’ and students’ responses, an expert validation questionnaire, and literacy assessment items covering reading literacy, science literacy, and mathematics literacy, which were analyzed using both qualitative and quantitative descriptive methods. The research results show that the validation by education experts yielded a score of 86% in the “highly acceptable” category, while the validation by literacy experts yielded a score of 90% in the “highly acceptable” category. Teachers’ responses regarding the use of the literacy corner yielded a score of 88% in the “very good” category, and students’ responses yielded a score of 84% in the “very good” category. The results of the effectiveness test showed an average score of 68.5 in the “Moderate” category; observations during implementation indicated an increase in students’ enthusiasm, reading interest, and independent reading habits, which positively impacted their literacy skills. Based on these results, it can be concluded that the developed literacy corner is appropriate and beneficial for supporting the improvement of students’ literacy skills and can be implemented sustainably in elementary schools.
The role of parental parenting styles in preventing children from becoming victims of bullying Suprihyatin, Nanik; Rahmawati, Endah; Mulyani, Nur Sy'ban Ratri Dwi
Counsenesia Indonesian Journal Of Guidance and Counseling Vol 7 No 1 (2026): COUNSENESIA 2026
Publisher : Program Studi Bimbingan dan Konseling Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/cijgc.v7i1.6548

Abstract

Bullying is a serious problem in educational settings that can have long-term impacts on children's psychological development. Although many studies have examined risk factors for bullying, research specifically exploring the role of parenting styles from a qualitative perspective in Indonesia remains limited. This study aims to understand the meanings, experiences, and strategies of parents in preventing children from becoming victims of bullying. This qualitative study with a phenomenological approach involved five parents of children aged 7-15 years in Kapanewon Sentolo, Kulon Progo. Data were collected through semi-structured in-depth interviews and analyzed using thematic analysis. The findings revealed five main themes: meaning of the parental role as a safe place, authoritative parenting strategies through advice and role modeling, responsive routine communication, spousal and school support as facilitating factors, and work busyness and economic limitations as inhibiting factors. The findings indicate that the quality of emotional relationships and parental commitment, not merely material factors, are the main determinants in preventing bullying. This study contributes to strengthening attachment theory and authoritative parenting within the Indonesian context. Practical implications encourage the need for parental capacity-building programs, family-school collaboration, and special attention to vulnerable families such as single parents and families with economic limitations.
The effect of role playing on social interaction Rahmawati, Endah; Mulyani, Nur Sya’ban Ratri Dwi; Atsari, Irsalina Zul
Counsenesia Indonesian Journal Of Guidance and Counseling Vol 7 No 1 (2026): COUNSENESIA 2026
Publisher : Program Studi Bimbingan dan Konseling Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/cijgc.v7i1.6586

Abstract

This research was motivated by the results of observations that found a number of students were still unable to interact optimally. Some students tend to be solitary, show awkwardness when dealing with new friends, lack courage in communicating, and have difficulty working together with peers outside their circle of friends and are reluctant to get involved in group activities. This study aims to determine the influence of role playing on social interaction. Researchers use group guidance services with the role playing method. The results of the study showed a significant influence of group guidance services using the role playing method on students' social interactions. Based on the independent samples t-test on the posttest data, the calculated t value was 4.797, which was greater than the t table of 2.074 (df = 22) and the significance value was p < 0.001 (< 0.05). This shows that there is a significant difference between the experimental group and the control group after being given treatment. Thus, group guidance services using the role playing method have a positive effect on increasing students' social interactions.
Co-Authors A.E, Yon ADHIEM, ABDUL Adityawarman, Yudi Aji Santosa arnando, steven Asmarani, Yuli Atsari, Irsalina Zul Baidillah, Marlin Ramadhan Budianto, Wawan Eko CHOIRUN NISA Dzulkiflih, Dzulkiflih Elvadola, Connyta Fida Yanti, Wiwin Firdaus, Rohim Aminullah Firdaus, Rohim Aminullah Firdaus FIRDIYAN HABIBY, NABIL Fitria Hidayati, Fitria Herawati, Ni Nyoman Emi Hermanto, Ady I Made Dwinata Ida Ayu Pasti Apsari Imam Sucahyo Irmayanti, Ade ISLAM SAKTI, AL-BIKHAR Julita, Maya Khoiro, Muhimmatul Kodiriyah, Ain Nun Sila Lumbantobing, Melva Evelin MARTIN NASUTION, HABIB Masfufah, Kiki Syalasyatun Mulyana, Indah Mulyani, Nur Sy'ban Ratri Dwi Mulyani, Nur Sya’ban Ratri Dwi Nanang Winarno Nugrahani Primary Putri NUR ALBAB, ALFI NUR LAILA Nur Siyam, Isnaini Nurlaelah Nurlaelah, Nurlaelah Pratondo Busono Putra, Agung Dian Rachmadi, Mochamad Adityo Risnawati Risnawati Ristyawardani, Amelia Putri RIZKY MUSTALIM, FIQIH Roby Tristiantoro S, Saiffudin Setiawati Tri Rezeki, Irma Setyaningrum, Kartika Dwi Indra Suprayitno Suprayitno Suprihyatin, Nanik Susetyo R, Asri Sutrisno AB, Joko Tjipto Prastowo Widya P, Nurfitria Widyalistyorini, Dian Wiryanto Wiryanto Yantidewi, Meta Zuhro, Saifauz