Open Journal System (OJS) Universitas Bengkulu

Open Journal System (OJS) Universitas Bengkulu
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    14213 research outputs found

    Analisis Rasch Model Pada Instrumen Praktikum Biokimia Isolasi DNA Jeruk Lokal Bengkulu

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    Penelitian ini bertujuan untuk menguji instrumen tes yang digunakan pada praktikum isolasi DNA jeruk lokal Bengkulu menggunakan Rasch model. Penelitian ini menggunakan metode Design Based Research (DBR). Penelitian dilakukan pada salah satu perguruan tinggi kota Bandung. Responden penelitian terdiri dari 62 mahasiswa. Item soal dikembangkan berdasarkan indikator yang sesuai dengan praktikum isolasi DNA jeruk lokal Bengkulu. Item soal terdiri dari 15 butir soal pilihan ganda. Kualitas instrumen tes ditinjau secara empiris menggunakan Rasch model. Hasil asumsi unidimensionalitas dan independensi lokal cukup baik dengan nilai Raw variance explained by measures mencapai 37,8% dan uji tingkat kesesuaian item soal menyatakan semua soal valid. Komponen instrumen memiliki nilai reliabilitas yang baik dengan nilai Cronbach Alpha sebesar 0,60. Hasil distribusi tingkat kesulitan soal diperoleh bahwa terdapat 2 butir soal sangat sulit, 5 butir soal sulit, 3 butir soal sedang, dan 4 butir soal mudah.  Hasil item fit menunjukkan bahwa semua soal dinyatakan valid.Penelitian ini bertujuan untuk menguji instrumen tes yang digunakan pada praktikum isolasi DNA jeruk lokal Bengkulu menggunakan Rasch model. Penelitian ini menggunakan metode Design Based Research (DBR). Penelitian dilakukan pada salah satu perguruan tinggi kota Bandung. Responden penelitian terdiri dari 62 mahasiswa. Item soal dikembangkan berdasarkan indikator yang sesuai dengan praktikum isolasi DNA jeruk lokal Bengkulu. Item soal terdiri dari 15 butir soal pilihan ganda. Kualitas instrumen tes ditinjau secara empiris menggunakan Rasch model. Hasil asumsi unidimensionalitas dan independensi lokal cukup baik dengan nilai Raw variance explained by measures mencapai 37,8% dan uji tingkat kesesuaian item soal menyatakan semua soal valid. Komponen instrumen memiliki nilai reliabilitas yang baik dengan nilai Cronbach Alpha sebesar 0,60. Hasil distribusi tingkat kesulitan soal diperoleh bahwa terdapat 2 butir soal sangat sulit, 5 butir soal sulit, 3 butir soal sedang, dan 4 butir soal mudah.&nbsp

    Implementasi Gerakan Literasi Sekolah (GLS) SDN Sungai Andai 4 Banjarmasin

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    The problem in this research is that students are not yet fluent in reading, and do not know letters and numbers. This research aims to find out (1) the implementation of the school literacy movement, (2) what are the supporting and inhibiting factors in the implementation of the School Literacy Movement (GLS) at SDN Sungai Andai 4 Banjarmasin. The type of research in this research is qualitative research using a qualitative narrative approach. The subjects of this research were the principal, homeroom teacher for classes 1D, 2A, and 3C at SDN Sungai Andai 4 Banjarmasin. Data collection techniques use observation, interviews and documentation. The data analysis techniques used are data reduction, data presentation and drawing conclusions. The conclusions drawn in this research are (1) the implementation of GLS activities is carried out through 3 stages, namely a) the habituation stage, b) the development stage, and c) the learning stage , the school also carries out programs to support this activity, namely extracurricular speeches, creative Fridays, regular visits to the library, (2) supporting factors, complete facilities and infrastructure, various reading materials, full support parents, appropriate time allocation, and teachers' enthusiasm for learning, while the inhibiting factors are literacy habits not being a priority, lack of reading material, unsupportive environment, activities requiring good focus

    Pengaruh Media Articulate Storyline Dalam Menggambar Motif Batik Besurek Terhadap Literasi Budaya Siswa Kelas IV Sekolah Dasar

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    The purpose of this study was to determine the effect of using Articulate Storyline media in the creation of Besurek batik motifs on the cultural literacy of grade IV elementary school students in Bengkulu City. This research used quasi experimental methodology and matching only pretest-posttest control group design. This type of research is quantitative. Based on the results of the study, the data from the pretest and posttest results were significantly different. The average result of the questionnaire before learning in the control class was 35.14 and when the questionnaire after learning rose to 36.25. Meanwhile, the average results of the questionnaire before learning in the experimental class were 42.03 and when the questionnaire after learning rose to 50.21. From this data, it can be seen that the difference between the pretest and posttest, there was a change in results of 9.29. The t test, postest of the control and experimental classes is evidenced by the t value of 4.918 and the Sig value. (2-tailed) of 0.001 with a significance level of 2.004 because the t value < t table (4.918 < 2.004) so that the sig. (2-tailed) < 0.001 then Ha is accepted due to the difference in treatment between the two groups. This means that it can be concluded that there is an effect of Articulate Storyline media in drawing Besurek batik motifs on the cultural literacy of fourth grade elementary school students.Tujuan penelitian ini adalah untuk mengetahui pengaruh penggunaan media Articulate Storyline dalam penciptaan motif batik Besurek terhadap literasi budaya siswa sekolah dasar kelas IV Kota Bengkulu. Penelitian ini menggunakan metodologi quasi eksperimen dan matching only pretest-posttest control group design. Jenis penelitian ini adalah kuantitatif. Berdasarkan hasil penelitian, data hasil pretest dan posttest berbeda secara signifikan. Rata-rata hasil dari angket sebelum pembelajaran pada kelas kontrol berada pada angka 35,14 dan saat angket sesudah pembelajaran naik menjadi 36,25. Sedangkan, rata-rata hasil dari angket sebelum pembelajaran pada kelas eksperimen berada pada angka 42,03 dan saat angket sesudah pembelajaran naik menjadi 50,21. Dari data ini terlihat perbedaan antara pretest dengan postest, terjadi perubahan hasil sebesar 9,29. Uji t, postest dari kelas kontrol dan eksperimen dibuktikan dengan nilai t hitung sebesar 4,918 dan nilai Sig. (2-tailed) sebesar 0,001 dengan taraf signifikansi 2,004 karena nilai t hitung < t tabel (4,918 < 2,004) sehingga nilai sig. (2-tailed) < 0,001 maka Ha diterima dikarenakan adanya perbedaan perlakuan diantara kedua kelompok. Artinya dapat disimpulkan terdapat pengaruh media Articulate Storyline dalam menggambar motif batik Besurek terhadap literasi budaya siswa kelas IV Sekolah Dasar

    Mental Toughness and Academic Achievement of Student-Athletes in Junior High Schools

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    This study aims to determine the relationship between mental toughness and academic achievement among junior high school student-athletes. This study uses a quantitative approach, using a survey to assess mental toughness and academic achievement. The participants of the study were 109 student-athletes from state junior high schools 18 and 2 Bengkulu City. The findings of the study indicate that student-athletes have mental toughness in the moderate category, and the academic achievement of student-athletes is in a good category. From the results of statistical analysis using SPSS version 22, it is known that there is no relationship between mental toughness and academic achievement among junior high school student-athletes (sig.636 > 0.05). However, the findings show that student-athletes with more mental toughness tend to show higher levels of academic achievement. This study highlights the importance of developing mental toughness not only for sports but also for academic success. This study offers insights for educators, coaches, and policymakers to strive to improve athletic performance and educational outcomes in junior high schools

    Analisis Kelayakan Proyek Pembangunan Pusat Listrik Tenaga Surya (PLTS) Apung Tembesi 40 MWp di Sistem Kelistrikan Batam – Bintan

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    Penelitian ini bertujuan untuk menganalisis kelayakan proyek pembangunan Pusat Listrik Tenaga Surya (PLTS) Apung Tembesi dengan kapasitas 40 MWp di sistem kelistrikan Batam – Bintan. Dalam kelayakan finansial mencakup perhitungan biaya investasi, biaya operasi dan pemeliharaan, serta analisis manfaat biaya dengan menggunakan indikator seperti Net Present Value (NPV), Internal Rate of Return (IRR), dan Payback Period. Analisis kelayakan operasi meliputi alternatif pencapaian sasaran, penilaian cara pencapaian sasaran, ruang lingkup pekerjaan, dan kesimpulan kajian kelayakan operasional. Hasil penelitian menunjukkan bahwa pembangunan PLTS apung di Waduk Tembesi secara teknis layak untuk dilaksanakan. Desain dan teknologi yang diusulkan mampu mendukung kinerja optimal sistem PLTS apung, memastikan operasional yang efektif dan efisien. Analisis finansial, termasuk pertimbangan sensitivitas dan asumsi yang ada, menunjukkan bahwa proyek ini layak secara finansial. Proyek ini memiliki tingkat pengembalian internal (IRR) yang memenuhi syarat kelayakan investasi. Tarif tersebut adalah 8.82 cUSD/kWh jika daya dievakuasi melalui jalur 150 kV, dan 7.96 cUSD/kWh jika dievakuasi melalui jalur 20 kV. Berdasarkan hasil analisis tersebut, proyek pembangunan PLTS Apung Tembesi 40 MWp di sistem kelistrikan Batam – Bintan dinyatakan layak untuk dilaksanakan. Implementasi proyek ini diharapkan dapat meningkatkan pasokan energi terbarukan, mendukung ketahanan energi lokal, dan memberikan manfaat yang signifikan bagi wilayah Batam – Bintan. &nbsp

    Implementasi Teknologi LoRA Menggunakan Data Beban Puncak Pada Gardu Distribusi

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    Transformer monitoring and measurement process at PT. PLN (Persero) at the BR 391 distribution substation is carried out manually during peak load hours in the field, which usually takes place between 18.00-22.00 local time. The peak load hours at distribution substations can vary, whether in the morning, afternoon or evening, sometimes even during the day. Because of this difference, determining peak load hours is still done manually by staff. However, this approach is considered inefficient. Therefore, in this research, we plan to develop a monitoring and data storage system using LoRa technology. This system will enable continuous monitoring of transformers at distribution substations, in contrast to manual methods which are only carried out during certain hours. This technology has been tested at the distribution substation BR 391 Jl. Wijaya Kusuma Medan. Observation results show that peak load hours occur between 18.00-22.00 WIB, with the highest peak load reaching R=20. 983,6 watts, S=17.031,0 watts, and T=21.801,4 watts per phase. The highest daily average power consumption was recorded at 20.00 WIB. Increased load tends to occur at night, with the highest load in the T phas

    EFEKTIVITAS LAYANAN BIMBINGAN KELOMPOK DENGAN TEKNIK DISKUSI KELOMPOK UNTUK MENINGKATKAN KEMAMPUAN ASERTIF SISWA KELAS X SMK NEGERI 4 KOTA BENGKULU

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    This study purposed to describe the level of differences in the assertive ability of the control group and the experimental group before and after participating in group guidance activities and to describe the effect of using group discussion techniques on the level of assertive behavior of class X students of SMK Negeri 4 Bengkulu City. This research method uses the pretest- posttest control group design method. The sampling technique for students in class X RPL 1 and RPL 2 used random sampling and obtained 9 students. Data collection techniques using a questionnaire with a Likert scale. Research data analysis techniques using the T test (paired sample test). The results obtained in the study showed an increase in assertive behavior in the experimental group after being given group guidance services using group discussion techniques. This can be seen from the results of testing the hypothesis with the results of texperiment = -10,845 p = 0.000 p<0.05. While the results of tcontrol = -1.895 p = 0.095 p>0.05 so that Ho is rejected and Ha is accepted. This means that there is a significant effect of group guidance services on the experimental group with group discussion techniques increasing the assertive behavior of class X students of SMK Negeri 4 Bengkulu City.Keywords : Assertive Ability, Group Guidance Service, Group DiscussionPenelitian ini bertujuan mendeskripsikan tingkat perbedaan kemampuan asertif kelompok kontrol dengan kelompok eksperimen sebelum dan sesudah mengikuti kegiatan bimbingan kelompok serta untuk mendeksripsikan pengaruh penggunaan teknik diskusi kelompok terhadap tingkat perilaku asertif siswa kelas X SMK Negeri 4 Kota Bengkulu. Metode penelitian ini menggunakan metode pretest-posttest control group design. Teknik pengambilan sampel pada siswa kelas X RPL 1 dan RPL 2 menggunakan random sampling diperoleh siswa berjumlah 9 orang. Teknik pengumpulan data menggunakan angket dengan skala Likert. Teknik analisis data penelitian menggunakan Uji T (paired sample test). Hasil yang diperoleh dalam penelitian menunjukkan adanya peningkatan perilaku asertif pada kelompok eksperimen setelah diberikan layanan bimbingan kelompok dengan teknik diskusi kelompok. Hal ini dapat terlihat dari hasil pengujian hipotesis dengan hasil texperiment = -10.845 p = 0,000 p<0,05. Sedangkan hasil tkontrol = -1.895 p = 0,095 p>0,05 sehingga Ho ditolak dan Ha diterima. Artinya, terdapat pengaruh signifikan layanan bimbingan kelompok pada kelompok eksperimen dengan teknik diskusi kelompok meningkatkan perilaku asertif siswa kelas X SMK Negeri 4 Kota Bengkulu. Kata Kunci : Kemampuan Asertif, Layanan Bimbingan Kelompok, Diskusi Kelompo

    Analisis Nilai Karakter Tanggung Jawab dalam Teks Cerita Buku Tematik Kelas IV SD/MI Tema 4

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     The purpose of this study was to describe the value of the character of responsibility in story texts in class IV thematic books, theme 4. The method used was qualitative research using a content analysis model. The instrument in this study is the table of indicators of the value of the character of responsibility. The data analysis technique was in the form of content analysis which consisted of four stages, namely design of investigation, collecting data, analyzing the data, and summarizing and integrating the findings. The validity of the data in this study uses semantic validity in the form of a lattice table of responsibility character values. The results of the study show that there are 12 story texts that contain the character values ​​of responsibility which are guided by 8 indicators, namely indicators of being serious in everything, doing your best, willing to sacrifice, disciplined, obedient to rules, trustworthy, honest in acting, and dare to take risks. In the 12 story texts in Theme 4 all of these indicators appear with different levels of occurrence of each indicator. The character indicators of responsibility that appear the most are willing to sacrifice

    GAYA KOMUNIKASI PELATIH SEPAK BOLA U-12 DALAM MENINGKATKAN SEMANGAT PEMAIN UNTUK MERAIH PRESTASI: Studi Pada Sekolah Sepak Bola SSB-Curup School

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    Penelitian ini bertujuan untuk mengetahui gaya komunikasi pelatih U-12 yang diterapkan dalam meningkatkan semangat pemain untuk meraih prestasi. Teori yang digunakan dalam penelitian ini adalah teori komunikasi interpersonal oleh Joseph DeVito, yang memfokuskan penelitian pada kelangsungan komunikasi dan pembinaan hubungan antar pelatih dengan pemain sepak bola U-12 di dalam tim. Penelitian ini menggunakan metode penelitian kualitatif untuk mengkaji gaya komunikasi pelatih sepak bola SSB Curup Soccer School U-12 dalam meningkatkan semangat pemain untuk meraih prestasi, dengan menggunakan teknik pengumpulan data melalui observasi, wawancara dan dokumentasi. Informan penelitian ditentukan berdasarkan teknik purposive sampling dengan menyesuaikan kriteria yang telah ditentukan oleh peneliti. Hasil penelitian menunjukkan bahwa terdapat gaya komunikasi yang dilakukan oleh pelatih U-12 SSB Curup Soccer School berperan penting dalam meningkatkan semangat pemain untuk meraih prestasi. Gaya komunikasi berlandaskan kesamaan (the equalitarian style) yang berlandaskan dengan pelatih membangun komunikasi yang bersifat dua arah, gaya komunikasi berstruktur (the structuring style) terlihat ketika pelatih memberikan instruksi yang terorganisir, jelas dan sistematis, sedangkan gaya komunikasi dinamis (the dynamic style) berlandaskan dalam situasi yang membutuhkan motivasi tambahan. Maka dari itu, gaya komunikasi pelatih SSB Curup Soccer School U-12 dalam meningkatkan semangat pemain untuk meraih prestasi didorong oleh gaya komunikasi berlandaskan kesamaan (the equalitarian style) yang meliputi penciptaan suasanan latihan yang nyaman, terbuka dan akrab selama sesi latihan, selanjutnya gaya komunikasi berstruktur (the structuring style) yang diwujudkan melalui penggunaan pesan verbal secara lisan maupun tulisan, serta adanya dukungan alat bantu visual seperti papan formasi dan gaya komunikasi dinamis (the dynamic style) meliputi pemberian arahan yang tegas dan disertai dengan humor untuk menciptakan suasana latihan yang santai namun tetap fokus. Kata Kunci: Gaya Komunikasi, Komunikasi Interpersonal, Semangat Pemain, Prestas

    Livestock Evacuation and Emergency Preparedness During Floods: Evakuasi Ternak Selama Bencana Banjir

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    Flooding is a serious threat to the livestock sector that can cause significant economic losses and threaten livestock welfare. This article examines comprehensive strategies for livestock evacuation and emergency preparedness during floods, aiming to minimize such negative impacts. Through a systematic literature review from reputable scientific databases such as PubMed, Scopus, Web of Science and Google Scholar, this study identifies best practices for handling livestock evacuation during floods. The results showed five key components in effective livestock evacuation management: (1) pre-disaster stage that includes risk mapping and identification of flood-prone zones, (2) development of a structured evacuation plan that considers livestock characteristics and available infrastructure, (3) solid coordination between farmers, local government and relevant agencies, (4) implementation of regular evacuation training and simulation, and (5) post-evacuation recovery strategy. The main challenges identified include limited infrastructure, lack of coordination between institutions, and the lack of awareness of farmers on the importance of disaster preparedness. This study recommends the development of an integrated early warning system, capacity building of farmers through continuous training, and strengthening coordination between stakeholders. Implementation of these recommendations is expected to improve the effectiveness of livestock evacuation during floods and reduce potential economic losses and negative impacts on livestock welfare

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