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PPKn di sekolah dasar berperan penting dalam membentuk karakter dan kesadaran kewarganegaraan peserta didik sejak dini. Namun, dalam praktiknya guru menghadapi berbagai hambatan yang memengaruhi optimalisasi pembelajaran. Penelitian ini bertujuan menganalisis hambatan dan tantangan implementasi pembelajaran PPKn di kelas IV SD Negeri Gaprang 01. Penelitian menggunakan pendekatan deskriptif kualitatif dengan teknik observasi, wawancara, dan angket. Data kemudian dianalisis menggunakan model analisis interaktif Miles dan Huberman yang meliputi pengumpulan data, reduksi data, penyajian data, dan penarikan kesimpulan. Subjek penelitian terdiri atas guru kelas IV dan 18 siswa. Hasil penelitian menunjukkan bahwa pembelajaran berjalan cukup baik dan memperoleh respons positif siswa, khususnya pada aspek sikap dan pemahaman nilai kewarganegaraan. Tantangan utama meliputi penyampaian materi abstrak, perbedaan kemampuan akademik, serta keberagaman latar belakang sosial-ekonomi. Oleh karena itu, diperlukan penggunaan media konkret, strategi diferensiasi, serta pendekatan pembelajaran yang adaptif dan inklusif.

Discussions regarding the origins of the universe have been a focus in philosophy and science, particularly regarding the relationship between the concept of God and modern cosmology. The concept of God as the prima causa is considered the core of classical cosmology, while modern cosmology posits that the universe has a beginning of time. This study aims to observe and analyze the comparison of the concept of God as the first cause by Thomas Aquinas and the Big Bang theory of modern cosmology. The method used is a literature study by examining various philosophical and scientific sources. The results of this study will emphasize the fundamental differences between Thomas Aquinas's approach to God as the first cause metaphysically and the approach of the theory of the origin of the universe (Big Bang theory) which focuses on the physical processes of the universe. Although there are different approaches, there are points of dialogue that open up space for integration between philosophy and modern cosmology. Abstrak. Diskusi berkaitan asal-usul alam semesta sudah menjadi sorotan dalam filsafat dan sains, khususnya mengenai hubungan antara konsep ketuhanan dan kosmologis modern. Konsep ketuhanan sebagai causa prima dinilai sebagai inti kosmolgis klasik sedangkan kosmologis modern mengangkat bahwa alam semesta ada permulaan waktu. Penelitian ini bertujuan untuk melihat dan menganalisis perbandingan konsep Tuhan sebagai penyebab pertama oleh Thomas Aquinas dan teori Big Bang dari kosmologis modern. Metode yang digunakan ialah studi kepustakaan dengan mengkaji berbagai sumber filsafat dan sains. Hasil penelitian ini akan menekankan perbedaan fundamental berkaitan pendekatan Thomas Aquinas mengenai Tuhan sebagai penyebab pertama secara metafisik dengan pendekatan teori asal-usul alam semesta (teori Big Bang) yang berfokus pada proses fisik alam semesta. Walaupun ada pendekatan yang berbeda namun ada titik dialog yang membuka ruang integrasi antara filsafat dan kosmologi modern.  

Pemanfaatan energi surya sebagai sumber energi terbarukan menjadi salah satu alternatif untuk mengurangi ketergantungan terhadap energi fosil dan meningkatkan efisiensi energi pada sektor domestik. Salah satu aplikasi yang berpotensi dikembangkan adalah sistem pemanas air tenaga surya yang memanfaatkan kolektor termal dengan optimasi penyerapan radiasi. Penelitian ini bertujuan merancang dan menganalisis kinerja sistem pemanas air tenaga surya berbasis reflektor cermin datar dan pipa tembaga ؽ inch dengan media penyimpanan Solar Cube berkapasitas 25 liter, serta mengevaluasi pengaruh variasi sudut reflektor terhadap temperatur air, energi panas, dan efisiensi kolektor. Metode penelitian yang digunakan adalah penelitian rekayasa dengan pendekatan eksperimental. Sistem diuji menggunakan variasi sudut reflektor 20°, 30°, dan 40° pada kondisi cuaca cerah dan mendung. Pengukuran dilakukan setiap 30 menit pada rentang waktu 08.00–16.00 WIB dengan parameter meliputi temperatur air, kenaikan temperatur (ΔT), energi panas yang dihasilkan, dan efisiensi kolektor. Hasil penelitian menunjukkan bahwa sistem yang dirancang mampu beroperasi dengan baik dan memanfaatkan energi radiasi matahari sebagai sumber panas utama. Secara deskriptif, sudut reflektor 30° memberikan performa terbaik dengan temperatur maksimum sebesar 50,5°C dan kenaikan temperatur 21,4°C pada cuaca cerah, serta temperatur maksimum 40,8°C dan kenaikan temperatur 11,8°C pada cuaca mendung. Energi panas tertinggi mencapai 2.239.510 J dengan efisiensi kolektor sebesar 40,66% pada cuaca cerah dan 38,11% pada cuaca mendung. Namun, hasil uji One-Way ANOVA menunjukkan bahwa perbedaan antar variasi sudut reflektor belum signifikan secara statistik (p>0,05). Sistem ini berpotensi diterapkan sebagai alternatif pemanas air hemat energi dan ramah lingkungan untuk kebutuhan rumah tangga maupun usaha skala kecil.

Vannamei shrimp (Litopenaeus vannamei) is one of the most important aquaculture commodities with high economic value and strong market demand. The transportation of broodstock shrimp is a critical stage that may affect survival due to decreased oxygen levels and water quality deterioration. High stocking density during transportation can accelerate oxygen depletion and increase metabolic waste, leading to higher mortality. This study aimed to determine the effect of different packing densities on the survival rate of broodstock shrimp during 12 hours of transportation. The experiment used four treatments with densities of 6, 8, 10, and 12 shrimp per bag, each with six replications. Observed parameters included temperature, dissolved oxygen (DO), and survival rate. The results showed that lower stocking density produced higher survival rates, with the best result obtained at 6 shrimp per bag. Water quality remained within acceptable limits, although oxygen levels decreased with increasing density. Therefore, proper stocking density is essential to maintain shrimp survival during transportation.  

Based on data from FAO (Food and Agriculture Organization of The United Nations), it has been predicted that the aquaculture subsector will become one of the most relied-upon resources in the future, especially in meeting food needs, fish-based nutritional needs, and empowering the global community's economy (FAO, 2016). Catfish is a type of freshwater fish that can grow and develop well because it can be cultivated in limited land areas (Marsela, 2018). The frequency of feeding is one of the important factors that need to be considered in catfish farming. To determine the effect of different feeding frequencies on the absolute weight of dumbo catfish, a study was conducted using an experimental design called the Completely Randomized Design (CRD), with 3 treatments and a total of 8 replications. The test treatments were as follows: Treatment 1 (feeding twice a day), Treatment 2 (feeding three times a day), and Treatment 3 (feeding four times a day). The results of the ANOVA test showed a significant value of 0.000 (P < 0.05), indicating a significant difference in each of the different feeding frequencies. The analysis of the Least Significant Difference (LSD) test at a 5% significance level also showed that the relationship between each treatment had a significant value of 0.000 (P < 0.05). The average absolute weight of the fish for Treatment 1 was 12.99 grams, for Treatment 2 was 15.03 grams, and for Treatment 3 was 17.03 grams. The highest growth in the absolute weight of dumbo catfish fry occurred in Treatment 3 (feeding four times a day).

The fishing gear operated by fishermen along the coast of Grajagan Beach to catch fish is a bottom gill net, using different mesh sizes of 3, 4, and 6 inches. The method used in this study was the Experimental Fishing method, which involved direct observation over nine repetitions using different mesh sizes. Observations were conducted on the quantity of fish caught, and direct interviews were carried out with fishermen regarding the use of gill nets at Grajagan Beach, Banyuwangi, East Java. The composition of the catch showed that the largest proportion by weight was shovel-nosed ray, accounting for 15%, while lobster represented the highest number of individuals caught, at 12%. To determine whether there was an effect of mesh size on the catch yield, an ANOVA test was conducted and produced significant results, indicating that differences in mesh size significantly influenced the catch. In this study, a follow-up (Post Hoc) test was also performed using Tukey’s Honest Significant Difference (HSD) test. The results of the post hoc test showed that the use of a 6-inch mesh size had a substantial effect on the catch yield.

Long fishing is an environmentally friendly traditional fishing tool that is commonly used by fishermen to catch fish passively using bait, both in sandy waters and in coral reef areas. Grouper fish (Epinephelus sp.) tend to inhabit waters of a certain depth, especially in areas of coral fractures and dead corals that serve as shelter and foraging. Determining the right depth setting in the operation of a fishing rod is essential to optimize the catch. This study aims to determine the effect of the difference in setting depth on grouper fish catch in the waters of Pengambengan Beach and determine the most effective depth. The study used an experimental method with three depth treatments, namely 10 m, 15 m, and 20 m, each repeated nine times. Data analysis was carried out by Group Random Design (RAK) and ANOVA test. The results showed that a depth of 10 m produced the highest catch with a total of 35 fish (average 3.89 fish/trip), followed by a depth of 15 m with 10 fish (average 1.11 fish/trip), and a depth of 20 m with 7 fish (average 0.78 fish/trip). Statistically, the difference in depth has a real influence on the number of grouper catches. A depth of 10 m is recommended as the optimal setting for the operation of long fishing rods in the waters of Pengambengan Beach.

The purpose of this study was to determine the effect of different doses of Lactobacillus in feed on the absolute weight growth of whiteleg shrimp (Litopenaeus Vannamei) doc 50 days. The study was conducted for 30 days at CV. Sukses Indah Prima. The research method used was an experimental method with a completely randomized design (CRD) using 4 treatments and 6 replications. The treatments were as follows: treatment A. without the addition of biolacto probiotics; treatment B. addition of biolacto probiotics 50 ml / kg of feed; treatment C addition of biolacto dose 70 ml / kg of feed; treatment D addition of biolacto probiotics 90 ml / kg of feed. Absolute weight growth data were analyzed using one way ANOVA 5%. The results of the ANOVA test showed that the difference in biolacto doses in feed had a very significant effect on the absolute weight growth of whiteleg shrimp (Litopenaeus Vannamei) doc 50 days and B) Treatment D biolacto dose 90 ml / kg of feed is the optimal dose, providing absolute weight growth of vannamei shrimp with an average of 9.37 grams.

Whiteleg shrimp (Litopenaeus vannamei) is one of the species that is a national superior commodity. The traffic of shrimp between provinces in Indonesia showed a significant increase in the period 2014-2017 with an average growth of 74.48% per year. Things that need to be considered in distribution activities are determining the number of seeds to be transported, providing oxygen in the packaging container, optimizing the use of low temperatures to suppress metabolic activity. This study was conducted with the aim of determining different densities on survival and determining the optimal density for the survival of whiteleg shrimp (Litopenaeus vannamei) in closed transportation for 36 hours. The method in this study used an experimental method with data collection carried out through direct observation. The experimental design used in this study was a Completely Randomized Design (CRD) with 5 treatment combinations. Density consisted of 1500 individuals/2 liters, 2000/2 liters, 2500 individuals/2 liters, 3000/2 liters and 3500 individuals/2 liters. The main parameters observed were survival and the test parameters measured were DO, temperature, salinity, and pH. The results showed that the best performer was in Treatment (B) with a density of 2,000 individuals with a survival rate of 86.02%. The results of the air quality observation study showed that almost all were still at optimal levels to support the survival of whiteleg shrimp (Litopenaeus vannamei) with an average temperature of 26.22°C. pH 7.18 – 8.08. Dissolved oxygen 3.87 – 8.06 ppm.

Bungus waters, located in Padang City, are one of the important fisheries centers in western Indonesia with high diversity of demersal and pelagic fish species. Bottom longline is an environmentally friendly passive fishing gear widely used by fishers in these waters. This study aimed to determine the effect of different bait types used in bottom longline fishing gear on fish catch in Bungus waters. The method employed was experimental fishing using a Randomized Block Design (RBD), with three bait treatments, namely tuna, scad, and small squid, each replicated nine times. Catch data were analyzed using Analysis of Variance (ANOVA) followed by the Least Significant Difference (LSD) test. The results showed that differences in bait type had a highly significant effect on fish catch (F_calculated > F_table at the 1% level). Squid bait produced the highest catch with an average of 10.26 kg (41%), followed by scad at 8.1 kg (33%) and tuna at 6.52 kg (26%). The catch composition was dominated by grouper (44%), snapper (18%), threadfin bream (10%), and kurisi (9%). The use of squid bait was proven to be the most effective in increasing the productivity of bottom longline fishing gear in Bungus waters, Padang, West Sumatra.

Social Studies (IPS) learning at the elementary school level plays a strategic role in shaping students’ understanding of social, cultural, and economic life, as well as national values. This study aims to analyze the differences between the 2013 Curriculum and the Merdeka Curriculum in IPS learning, including planning, implementation, the use of methods and media, and the assessment of learning outcomes. The research employed a descriptive qualitative approach with a case study, collecting data from curriculum documents, lesson plans (RPP), syllabi, classroom observations, interviews with teachers and school principals, and student questionnaires. The results indicate that the 2013 Curriculum provides a clear learning structure, detailed lesson plans, and systematic material organization that facilitates teachers, but it is less flexible and less contextualized for students. In contrast, the Merdeka Curriculum emphasizes flexibility, relevance of content to the local context, innovative methods such as project-based learning and blended learning, as well as holistic assessment focusing on critical thinking skills, social literacy, and student character. The implementation of the Merdeka Curriculum can enhance students’ learning interest, active participation, understanding of social concepts, and social awareness; however, its effectiveness depends on teacher readiness, school support, facilities, and consistency in assessment. These findings suggest that selecting an appropriate IPS curriculum should consider a balance between structure and flexibility, content relevance, teacher competence, and supporting facilities.

Losing a father, whether through death or divorce, is a significant life event that can impact adolescents' psychological well-being, one of which is feelings of loneliness. Fathers play a crucial role in a child's emotional and social development, and their absence can trigger feelings of isolation or a lack of social connection. This study aims to determine whether there are differences in levels of loneliness between male and female adolescents who have lost their fathers. This study used a quantitative approach with a comparative method. The subjects in this study were 152 adolescents, consisting of 96 female adolescents and 56 male adolescents who had lost their fathers. Data were collected using a loneliness scale structured according to aspects of loneliness. The data analysis technique used to test the hypothesis was an Independent Sample T-Test. The results of the data analysis showed a significance value (Sig. 2-tailed) of 0.105 (p > 0.05). This indicates that the hypothesis stating differences in levels of loneliness is rejected. Therefore, it can be concluded that there are no significant differences in loneliness experienced by male and female adolescents who have lost their fathers. Both gender groups showed relatively similar levels of loneliness in response to the loss of a father.   The results of the data analysis showed a significance value (Sig. 2-tailed) of 0.105 (p > 0.05). This indicates that the hypothesis stating differences in levels of loneliness is rejected. Therefore, it can be concluded that there are no significant differences in loneliness experienced by male and female adolescents who have lost their fathers. Both gender groups showed relatively similar levels of loneliness in response to the loss of a father.

Diabetes melitus tipe 2 (DMT2) merupakan salah satu masalah kesehatan global dengan beban ekonomi dan klinis yang sangat tinggi. Beragam pilihan terapi antidiabetes telah tersedia, mulai dari obat konvensional seperti metformin dan sulfonilurea hingga obat generasi baru seperti inhibitor dipeptidyl peptidase-4 (DPP-4i), agonis reseptor glucagon-like peptide-1 (GLP-1 RA), dan inhibitor sodium-glucose co-transporter 2 (SGLT2i). Perbedaan harga dan efektivitas terapi menuntut adanya kajian farmakoekonomi, khususnya cost-effectiveness analysis (CEA), untuk mendukung pengambilan keputusan klinis dan kebijakan kesehatan. Literature review ini bertujuan untuk merangkum bukti CEA pada berbagai obat antidiabetes yang dipublikasikan dalam lima tahun terakhir, baik di Indonesia maupun internasional. Hasil telaah menunjukkan bahwa obat generasi baru umumnya memberikan manfaat klinis yang lebih baik, terutama dalam pencegahan komplikasi kardiorenal, namun biaya yang lebih tinggi sering menjadi kendala dalam penilaian efektivitas biaya. Sementara itu, obat konvensional tetap menjadi terapi yang relatif cost-effective pada banyak konteks, terutama di negara berpendapatan menengah. Perbedaan hasil antarstudi sangat dipengaruhi oleh harga obat, perspektif analisis, serta asumsi manfaat jangka panjang. Kajian ini menegaskan pentingnya evaluasi farmakoekonomi dalam menentukan pilihan terapi yang rasional dan efisien untuk pasien DMT2.

This study aimed to determine the effect of different bait types on the catch of larval shrimp (Macrobrachium lar) using a lift net and to determine the best bait type in the waters of Cijeruk Indah, Garut Regency, West Java. The method used in this study was an experimental method with nine replications. The independent variables in this study consisted of three types of bait: earthworms, fine rice husks, and pellets, while the dependent variable was the weight of the larval shrimp caught. The results showed that different bait types significantly affected the larval shrimp catch. Based on the total catch during the study, pellet bait yielded the highest yield, with a total weight of 2,316 grams. This was followed by fine rice husk bait with a total weight of 1,256 grams, and earthworm bait with the lowest yield, at 364 grams. Data analysis using ANOVA showed a significance value of 0.031 (p < 0.05), confirming a significant difference in catch responses between the three bait types. In conclusion, pellets are the most effective type of bait to use in the anco net fishing gear in catching larval shrimp at the research location.

Indonesia merupakan negara yang rawan gempa bumi, seperti yang terjadi di Yogyakarta tahun 2006 yang menimbulkan banyak korban jiwa dan kerusakan besar. Hal ini menunjukkan pentingnya kesiapsiagaan bencana di perguruan tinggi. Mahasiswa sebagai agen perubahan berperan penting dalam mitigasi bencana. Self efficacy atau keyakinan diri menjadi salah satu faktor yang memengaruhi kesiapsiagaan mahasiswa. Penguatan self efficacy di kalangan mahasiswa sangat penting untuk membangun kesiapsiagaan bencana di perguruan tinggi. Penelitian ini bertujuan untuk mengetahui pengaruh pemberian mini video edukasi penanganan kegawatdaruratan gempa bumi terhadap self efficacy mahasiswa keperawatan anestesiologi. Metode penelitian ini menggunakan desain pre-eksperimental dengan pendekatan pretest and postest design tanpa kelompok kontrol. Teknik sampling menggunakan Simple Random Sampling dengan instrumen berupa lembar angket kuisioner. Hasil bivariat menggunakan uji Wilcoxon.  Hasil analisis bivariat menggunakan uji wilcoxon menunjukan perbedaan yang signifikan antara self efficacy sebelum dan sesudah pemberian edukasi video yaitu didapatkan nilai signifikansi atau sig (2-tailed) sebesar 0.000 <0.05. sehingga H0 ditolah dan Ha diterima. Kesimpulannya terdapat pengaruh pemberian mini video edukasi penanganan kegawatdaruratan gempa bumi terhadap self efficacy mahasiswa keperawatan anestesiologi.

Nyeri persalinan merupakan tantangan utama yang dihadapi ibu, khususnya pada kala I fase aktif. Penggunaan metode non-farmakologis seperti endorphin massage menjadi alternatif yang aman dan efektif untuk mengurangi nyeri tanpa efek samping. Penelitian ini bertujuan untuk mengkaji efektivitas endorphin massage dalam menurunkan intensitas nyeri pada ibu bersalin kala I fase aktif. Penelitian ini menggunakan desain kuasi-eksperimen dengan pendekatan pretest-posttest with control group. Sebanyak 12 responden dibagi menjadi dua kelompok: intervensi (diberikan endorphin massage) dan kontrol (perawatan standar). Intensitas nyeri diukur menggunakan Numeric Rating Scale (NRS) sebelum dan sesudah intervensi. Analisis data dilakukan dengan uji paired t-test dan independent t-test dengan tingkat signifikansi p < 0,05. Hasil penelitian menunjukkan bahwa rata-rata skor nyeri pada kelompok intervensi menurun signifikan dari 7,5 menjadi 4,0 (p = 0,000), sementara pada kelompok kontrol hanya turun dari 7,3 menjadi 7,0 dan tidak signifikan (p = 0,308). Uji independent t-test juga menunjukkan perbedaan bermakna antara kedua kelompok setelah intervensi (p = 0,000). Hasil ini menunjukkan bahwa endorphin massage terbukti efektif sebagai intervensi non-farmakologis untuk mengurangi nyeri persalinan. Teknik ini dapat diterapkan dalam praktik kebidanan sebagai metode yang aman, mudah, dan berpusat pada kenyamanan ibu.

This study aims to analyze the differences in motorcycle traffic flow (Q) during the morning and afternoon peak hours as an indicator of roadway operational performance, referring to the Indonesian Road Capacity Guidelines (PKJI) 2014, with a case study on Mawar Street–Wijaya Kusuma Street, Jember Regency. The research data were obtained from 12 observation points through traffic surveys that recorded motorcycle traffic flow in vehicles per hour (veh/h). The analytical methods used include descriptive statistical analysis, normality testing, and paired sample t-test. The results show that the average motorcycle traffic flow during the morning peak hour is 115.58 veh/h with a standard deviation of 62.97, while during the afternoon peak hour it is 63.25 veh/h with a standard deviation of 28.57. The paired sample t-test yields a significance value of 0.015 (p < 0.05), indicating a statistically significant difference between morning and afternoon traffic flows. These findings suggest that the level of roadway capacity utilization is higher during the morning peak hour, which is closely associated with dominant routine travel activities such as commuting to work and school. The results of this study are expected to serve as a basis for evaluating roadway operational performance and to support traffic management and traffic engineering planning aimed at improving road network performance and reducing congestion.

Drug storage is not only carried out in health facilities but can also be done independently by the community that consumes drugs, either as an emergency supply or leftover medication from previous use. Drug storage is often done without paying attention to the condition after the packaging is opened or understanding the drug's usage limit/Beyond Use Date (BUD). The community generally only looks at the expiration date/Expired Date (ED) on the drug packaging as a reference for safe drug use, and does not understand the safe usage limit for drugs after the primary packaging is opened. The purpose of this community service is to evaluate the community's knowledge and practices regarding the implementation of BUD/ED, as well as to provide education. This community service was carried out with an educational approach involving 21 people in Rejosari Village. This activity was carried out by distributing questionnaires to the community about the knowledge and practice of BUD/ED daily, then continued with the delivery of education using posters. The results of this activity indicate that the community has good knowledge of ED and BUD, but has not yet implemented ED and BUD in the storage and use of drugs independently.

This study aimed to analyze differences in body composition among adult women across three regions with distinct sociocultural and environmental characteristics: Baduy Luar (rural–traditional), Salatiga (semi-urban), and Kota Bambu (urban). Using a cross-sectional design, the study involved 268 participants and assessed total body fat, visceral fat, subcutaneous fat, and skeletal muscle mass using the OMRON HBF-370 analyzer. Significant differences were observed across most body composition parameters (p < 0.001). Women living in the urban area exhibited the highest levels of total fat, visceral fat, and subcutaneous fat, reflecting the influence of urbanization and sedentary lifestyle on adiposity. Conversely, women in the rural–traditional community demonstrated the highest skeletal muscle mass across all body regions, consistent with their physically demanding daily activities and traditional dietary patterns. These findings highlight the substantial role of environmental context in shaping metabolic health and cardiometabolic risk. Targeted public-health interventions—such as structured physical-activity promotion and nutrition education in urban populations, and preservation of active lifestyles in rural communities—are recommended. Longitudinal studies are warranted to clarify causal pathways and further characterize metabolic determinants.

The formation of spiritual maturity within Christian families is often misunderstood as a result of chronological age or the length of one’s Christian experience. This literature study emphasizes that spiritual maturity is not determined by age, but by a continuous process of faith formation through biblical knowledge, spiritual practices, lifestyle modeling, and character transformation. Using library research methods, this study analyzes primary and secondary literature related to the role of families, stages of faith development, and the collaborative role of the church in spiritual formation. The findings reveal that the family serves as the central foundation of faith formation, requiring the active involvement of parents in Bible reading, prayer, ethical guidance, and moral example. Furthermore, spiritual maturity is influenced by developmental stages that do not necessarily correspond to biological age. The church functions as a collaborative partner that supports family spiritual growth through teaching, ministry involvement, and pastoral guidance. This study concludes that spiritual maturity is reflected in character and actions rather than ritual participation alone, and it recommends strengthening family-based faith education and cooperation with the church as a foundation for authentic spiritual growth.