E-Journal Universitas Muria Kudus
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Implementasi Bimbingan Kelompok Untuk Meningkatkan Hubungan Sosial Antar Teman Sebaya Di Kelas X.F SMA Negeri 2 Mengwi Tahun 2025.
No full textThis study was conducted based on classroom phenomena reported by several teachers and supported by data from the supervising teacher, indicating that students struggle with effective communication. Social isolation, which causes students to feel lonely, and negative judgments about individuals or groups based on false assumptions can hinder positive interactions.In response to this issue, the researcher implemented Group Guidance services to improve social relationships among peers in Class X.F at SMA Negeri 2 Mengwi in 2025. This service was provided to 30 students in Class X.F using PTBK data analysis techniques and a quantitative research method. The study concluded that the implementation of Group Guidance effectively enhances social relationships among peers in Class X.F at SMA Negeri 2 Mengwi in 2025. The group dynamics in the guidance sessions help students develop motivation, which influences peer interactions and fosters positive relationships among them
Penerapan Teknik Simulasi Dalam Layanan Bimbingan Kelompok Untuk Meningkatkan Rasa Percaya Diri Siswa Kelas X.F Di SMA Negeri 2 Mengwi Tahun Ajaran 2024/2025
No full textThis study aims to examine the implementation of simulation techniques in group guidance services to enhance students' self-confidence. The research was conducted in class X.F of SMA Negeri 2 Mengwi using classroom action research through two cycles. Data collection techniques included interviews, observation, and a closed-ended confidence scale. Initial observations revealed several students lacked confidence, such as hesitating to speak in front of the class and avoiding group interactions. After the implementation of simulation-based group guidance, there was a notable increase in students’ self-confidence scores-rising from an average of 57.6% to 74.8% across the two cycles. The findings suggest that structured simulations allow students to experience real-life scenarios in a safe environment, enabling them to build confidence and overcome social anxiety. The study concludes that simulation techniques in group guidance are effective in improving self-confidence among high school students
Pengenalan Rambu Lalu Lintas sebagai Sarana Pembelajaran bagi Anak Sekolah Dasar melalui Media Diorama
No full textThis study investigates the effectiveness of diorama media in introducing traffic signs to elementary school students through a qualitative descriptive approach. Twenty-five fourth graders from an elementary school in Bandung were observed through participatory observation, semi-structured interviews, and documentation. Data were analyzed using the Miles and Huberman model. Results show that diorama-based learning increased students’ recognition of traffic signs from 35% to 85% and fostered active participation and collaboration. Students better understood the meaning and context of traffic symbols while demonstrating improved traffic discipline. The use of dioramas made abstract concepts tangible, aligning with Constructivist Learning Theory and Dual Coding Theory. This approach proved effective in enhancing conceptual understanding, engagement, and value formation. It is recommended that teachers receive training in diorama-based learning and explore augmented reality integration for future applicationsThis study investigates the effectiveness of diorama media in introducing traffic signs to elementary school students through a qualitative descriptive approach. Twenty-five fourth graders from an elementary school in Bandung were observed through participatory observation, semi-structured interviews, and documentation. Data were analyzed using the Miles and Huberman model. Results show that diorama-based learning increased students’ recognition of traffic signs from 35% to 85% and fostered active participation and collaboration. Students better understood the meaning and context of traffic symbols while demonstrating improved traffic discipline. The use of dioramas made abstract concepts tangible, aligning with Constructivist Learning Theory and Dual Coding Theory. This approach proved effective in enhancing conceptual understanding, engagement, and value formation. It is recommended that teachers receive training in diorama-based learning and explore augmented reality integration for future application
DETERMINANTS OF INVESTMENT DECISIONS OF YOUNG ENTREPRENEURS IN KUDUS DISTRICT THROUGH ONLINE SHARIA MUTUAL FUNDS
No full textThe research aims to examine the influence of perceived ease of use, perceived benefits, and perceived risk on the investment decisions of young entrepreneurs in Kudus Regency through online sharia Sharia mutual funds, with digital literacy and sharia Sharia financial literacy as moderating variables. The sample consisted of 143 young entrepreneurs who had invested in online Sharia mutual funds. This research uses quantitative methods to test pathways. The research results show that perceived ease of use, perceived benefits, and perceived risk positively and significantly influence young entrepreneurs' investment decisions in Kudus Regency. However, digital literacy does not moderate the influence of perceived ease of use on investment decisions. On the other hand, Islamic financial literacy weakens the relationship between risk perception and investment decisions. Limitations of this study include the focus on a specific demographic and geographic region, which suggests that future research could explore different populations or regions to increase generalizability
Uji Fungsional Alat Hidroponik untuk Fodder Jagung Berbasis Panel Surya Melengkung
No full textSumber pakan peternakan selama ini adalah berasal dari pemanfaatan limbah pertanian, seperti jerami, rumput dan daun-daun pepohonan. Proses pengumpulan pakan ternak masih dilakukan secara konvensional seperti mengarit, pengumpulan dedaunan hijau dan sebagainya. Tujuan penelitian yang dilakukan adalah menjelaskan hasil perbandingan perhitungan secara teori dan hasil pengukuran daya yang dihasilkan oleh alat hidroponik untuk fodder jagung berbasis panel surya melengkung. Menjelaskan hasil uji fungsional alat hidroponik untuk fodder jagung berbasis panel surya melengkung. Perbedaan laju pertumbuhan kecambah jagung ini dipengaruhi oleh perbedaan perlakukan yang diberikan pada setiap kelompok. Pada kelompok eksperimen jagung disiram empat kali sehari. Berdasarkan hasil ekpserimen diperoleh data bahwa alat hidroponik hasil rancangan bangun mampu menghasilkan daya listrik rata-rata 5,9 Watt. Daya yang dihasilkan alat sudah lebih tinggi daripada kebutuhan teoritis. Selama lima hari massa percobaan, tinggi rata-rata pertumbuhan fodder jagung adalah 55,59 mm tinggi rata-rata fodder jagung yang ditanam secara kontrol adalah 44,88 mm. Massa akhir jagung yang ditumbuhkan dengan menggunakan alat hidroponik adalah 559,25g sedangkan secara kontrol adalah 360,75g
Pengaruh Proses Post Weld Heat Treatment pada Hasil Pengelasan Baja S355J2 terhadap Kekuatan Tarik dan Struktur Mikro
No full textPost weld heat treatment merupakan sebuah perlakuan panas pasca pengelasan yang bertujuan untuk mengubah sifat fisik atau mekanik logam. Dalam penelitian ini post weld heat treatment yang digunakan berupa stress relief annealing pada 2 baja S355J2 yang salah satunya tidak mengalami PWHT dan mengalami PWHT serta proses pengelasan dilakukan dengan metode GMAW. Proses stress relief annealing ini dilakukan dengan temperatur 635ºC dengan holding time selama 1 jam dan diikuti dengan pendinginan lambat di dalam tungku. Kekuatan tarik yang dimiliki pada baja yang tidak mengalami stress relief annealing sebesar 530 MPa dan 431,3 MPa pada baja yang mengalami stress relief annealing. Terdapat perubahan bentuk pada struktur mikro material yang mengalami post weld heat treatment, dimana pada baja yang tidak mengalami stress relief annealing memiliki batas butir yang nampak lebih tegas menjadi lebih meregang pada tiap butirnya. Selain itu juga fasa pearlite yang terkandung pada material yang mengalami stress relief annealing lebih sedikit dan didominasi oleh fasa ferrite
Rancang Bangun Mesin Pencacah Sampah Plastik Tipe Crusher dengan Bilah Monolitik Ganda
No full textBanyaknya sampah plastik membawa dampak negatif untuk kesehatan dalam jangka panjang, seperti kanker, dan pencemaran lingkungan karena sulit terurai oleh tanah, sehingga perlu proses daur ulang yang sbeelumnya dicacah terlebih dahulu. Penelitian ini bertujuan untuk menginvestigasi proses perancangan hingga pengujian performa mesin pencacah sampah tipe crushing dengan bilah monolitik ganda yang parameter ujinya kualitas hasil cacahan karena pengaruh kecepatan putaran bilah dan jenis/tebal sampah yang belum diteliti sebelumnya pada tipe bilah ini. Pengujian dilakukan secara eksperimen. Dari hasil perancangan, didapatkan hasil estimasi kebutuhan daya motor adalah berkisar 3,8 hp dengan Safety Factor dari rangka sebesar 15. Bilah yang dibuat, dihasilkan dari pembubutan benda kerja poros besar utuh dan dibentuk sesuai pola dari gambar kerja. Sedangkan hasil pengujian menunjukkan bahwa jenis atau tebal sampah lebih berpengaruh pada dimensi hasil cacahan, dengan hasil cacahan terkecil dihasilkan dari jenis sampah industri, akrilik dengan dimensi 2,72 mm – 31,78 mm. Sedangkan waktu yang dibutuhkan untuk mencacah 500 gram plastik berkisar 1 menit.
ANALISIS PENAMBAHAN GAS HHO TIPE WET CELL DAN VARIASI WAKTU PENGAPIAN MESIN TERHADAP PERFORMA SEPEDA MOTOR 125CC
No full textMeningkatkan performa kendaraan merupakan salah satu cara untuk meningkatkan kenyamanan berkendara. Penelitian ini bertujuan untuk mengkaji pengaruh penambahan gas HHO tipe wet cell dan variasi waktu pengapian terhadap performa tenaga mesin sepeda motor 4 langkah 125CC. Metode eksperimental dilakukan dengan menggunakan sepeda motor yang dilengkapi dengan ECU aftermarket merk BRT Juken 5+ untuk memodifikasi waktu pengapian menjadi 3°, 6°, dan 9° lebih mundur dari pengapian standar. Gas HHO dihasilkan melalui proses elektrolisis dan disalurkan ke intake mesin. Pengujian dilakukan menggunakan dynotest untuk mengukur daya dan torsi. Hasil menunjukkan bahwa kombinasi penambahan gas HHO dan waktu pengapian mundur 9° menghasilkan peningkatan daya sebesar 7% dengan daya sebesar 8,30 HP pada 5700 RPM dan peningkatan torsi sebesar 5,8% dengan torsi sebesar 9,64 Nm pada 5700 RPM dibandingkan pengapian standar tanpa HHO. Maka dapat disimpulkan bahwa penyesuaian waktu pengapian dan penggunaan gas HHO dapat meningkatkan performa mesin secara signifikan
Validitas Smart Pop Up Book Berbasis Gusjigang Sebagai Edukasi Seksualitas Siswa Tunagrahita SLBN Kaliwungu
No full textThis study aims to describe the validity of Gusjigang-based Smart Pop Up Book media.This study is part of research and development consisting of preliminary study, development, and validation stages. At this validation stage, 2 experts validated the developed media. Validity assessment consists of media and material aspect validation. The experts consist of media and material developer concept experts. Data collection techniques use non-test techniques. The instruments used are media validation sheets and material validation sheets. Data analysis uses quantitative descriptive data analysis techniques.The results of media validation that have been carried out by media experts are obtained from the first and second validators with an average value of 4.15 which means it is feasible to be implemented for students. In addition, the results of material validation from both validators obtained an average value of 4.10 which means it is feasible to be implemented. Results Based on data analysis, it can be concluded that the Gusjigang-based Smart Pop Up Book media is valid and can be used in student learnin
Pengembangan Komik Edukatif Sistem Tata Surya Untuk Mengungkap Dampak Polusi Cahaya Pada Siswa SMP
No full textThe purpose of this research was to develop and test the feasibility of the educational science comic "The Adventures of Lintang and Gatra in the Solar System," which discusses the solar system and the impact of light pollution. This innovation was based on the low understanding of the material by seventh-grade students at SMP 2 Jekulo, due to the dominance of conventional learning and the lack of interactive visual media, despite the students' preference for comics. This research employed a research and development (R&D) method. The development was conducted using the 4D model, consisting of the stages of define, design, develop, and dissemination. The data collection process involved two types of data: quantitative and qualitative. Quantitative data were obtained from product validation conducted by experts (media, materials, and practitioners). Qualitative data were obtained from various suggestions and input provided by experts. Data collection instruments included validation instruments (media experts, material experts) and questionnaires from teacher and student responses. The validation results indicated high feasibility: material experts (94.55% very valid), media experts (95% very valid), and practitioners (933.33% very feasible). Positive responses from seven students (94.44%) indicated that the comic was engaging, easy to understand, relevant, and effective in increasing interest and independence in learning. The educational comic "The Adventures of Lintang and Gatra in the Solar System" proved to be highly valid and feasible as an innovative solution at SMP 2 Jekulo. This medium effectively increased students' understanding of the abstract concept of the solar system and raised awareness of light pollution issues