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All Journal Jurnal Surya Teknika Indo-MathEdu Intellectuals Journal Asas wa Tandhim: Jurnal Hukum, Pendidikan, dan Sosial Keagamaan Journal of Chemistry Education and Integration
Hendri, Jhon
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Religion Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Education Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Social Sciences Other

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Peningkatan Keterampilan Guru Membuat LKPD Melalui Workshop Di SDN 026 Tanjung Selor Hendri, Jhon
Asas Wa Tandhim: Jurnal Hukum, Pendidikan Dan Sosial Keagamaan Vol. 2 No. 2 (2023)
Publisher : Universitas Cokroaminoto Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (385.09 KB) | DOI: 10.47200/awtjhpsa.v2i2.1574

Abstract

The problem in this study is the low skill of teachers in making LKPD at SDN 026 Tanjung Selor. The research subjects were 8 teachers. Data collection techniques with observation and documentation techniques. Data analysis was performed using a comparative descriptive technique. The results of the observation assessment of discussion activities showed that in the initial conditions the score showed 45.94 in the LACK criterion and no teachers were declared complete, in the first cycle it increased to 68.75 in the SUFFICIENT criteria with 4 teachers or 50% declared complete, and in the end of the second cycle increased to 81.82 in the GOOD score qualification with 8 teachers declared complete (4 teachers or 50% in the VERY GOOD category and 4 teachers or 50% in the GOOD score criteria). From the research data in the activity it can be concluded that the Workshop on 8 teachers at SDN 026 Tanjung Selor was declared SUCCESSFUL in improving teacher skills in making LKPD
Desain dan Uji Coba Weblog Kimia Kontekstual untuk Mendukung Literasi Sains Siswa pada Materi Larutan Elektrolit dan Non Elektrolit Kurniawati, Yenni; Riady, AD; Hendri, Jhon
Indo-MathEdu Intellectuals Journal Vol. 5 No. 6 (2024): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v5i6.2399

Abstract

This research aims to develop contextual chemistry weblog-based learning media on electrolyte and non-electrolyte solution material to improve students' scientific literacy. This media was designed using the Borg & Gall development model, through the stages of needs analysis, planning, development, validation, testing and revision. The validation process involves media design experts, material experts and language experts to evaluate aspects of appearance, content and language. The trial was carried out at SMA IT Al-Ittihad Pekanbaru involving one chemistry teacher and 10 class X science students. The research results show that this learning media has a very good level of validity with an average score of 89.16% from expert validation. The practicality of the media by teachers was also rated very high with a score of 92%, confirming ease of use, suitability of content to the curriculum, and clarity of language. Student responses to the media showed that 90% of students felt this media was interesting and helped understand the material, while 80% of students thought the design and interactivity of the media supported independent learning
Analisa Over Current Relay (OCR) dan Ground Fault Relay (GFR) pada Jaringan Distribusi 20 kV Arya, Engla Harda; Ermawati, Ermawati; Machdalena, Machdalena; Hendri, Jhon
JURNAL SURYA TEKNIKA Vol. 11 No. 2 (2024): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v11i2.8731

Abstract

In operation of the electric power system, disturbances often occur which can result in disruption of the distribution of electric power to consumers. The disturbances that often occur in the 20 kV medium voltage network distribution system are short circuit faults and overload faults. Protections used to prevent the disturbance from spreading and not disturbing healthy areas is the over current relay and ground fault relay. Based on the results of the researcht, showed that the relay coordination settings were OCR Incoming Primary Iset = 1818.65 A, Secondary Iset = 0.909 A, TMS = 0.199. In the OCR of the Primary Iset Feeder = 504 A, Secondary Iset = 1.26 A, TMS = 0.199, GFR Incoming Primary Iset = 144.19 A, Secondary Iset = 0.072 A, TMS = 0.238 and GFR of the Primary Iset Feeder = 140.19 A, Secondary Iset = 0.35 A, TMS = 0.23
EFEKTIVITAS MEDIA PEMBELAJARAN ASAM BASA TERINTEGRASI AUGMENTED REALITY TERHADAP LITERASI DIGITAL PESERTA DIDIK Hafiza, Ufaira; Yerimadesi, Yerimadesi; Andromeda, Andromeda; Arsih, Fitri; Hendri, Jhon; Zuwita, Ariani
Journal of Chemistry Education and Integration Vol 4, No 2 (2025): Journal of Chemistry Education and Integration
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jcei.v4i2.37858

Abstract

Tujuan dari penelitian ini adalah menguji efektivitas media pembelajaran asam basa terintegrasi Augmented Reality (AR) terhadap literasi digital siswa Fase F SMA. Penelitian menggunakan metode pre-eksperimental dengan desain one group pretest-posttest yang dilaksanakan pada satu kelas XI di SMA Negeri 5 Padang. pengambilan sampel menggunakan Teknik purposive sampling, dengan jumlah sampel 25 siswa.. Instrumen yang digunakan berupa angket literasi digital, tes pilihan ganda dan lembar observasi guru. Data angket literasi digital diolah dengan menggunakan skala likert, data instrument tes pilihan ganda diolah dengan uji n-gain, normalitas dan hipotesis . Hasil dari penelitian ini diperoleh rata-rata skor literasi digital siswa mencapai 81,4% dengan nilai n-gain sebesar 0,703 yang berada pada kategori sedang, serta hasil uji Wilcoxon menunjukkan perbedaan yang signifikan antara skor pretest dan posttest (sig. < 0,001). Temuan ini menunjukkan bahwa media pembelajaran berbasis AR efektif dalam meningkatkan literasi digital siswa, terutama pada aspek akses digital, visualisasi informasi, dan literasi saintifik. Meskipun demikian, efektivitas media masih dipengaruhi oleh kesiapan perangkat teknologi dan pengawasan guru dalam penggunaannya. Penelitian ini merekomendasikan integrasi AR secara lebih luas dalam pembelajaran sains sebagai inovasi pedagogis untuk memperkuat kompetensi digital siswa dalam menghadapi tantangan era digital.
EFEKTIVITAS MEDIA AUGMENTED REALITY TERHADAP LITERASI DIGITAL DALAM PEMBELAJARAN LARUTAN PENYANGGA DI SMA Erman, Sylvia Dwi; Yerimadesi, Yerimadesi; Andromeda, Andromeda; Arsih, Fitri; Hendri, Jhon; Effendi, Novicha
Journal of Chemistry Education and Integration Vol 4, No 2 (2025): Journal of Chemistry Education and Integration
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jcei.v4i2.37859

Abstract

Media pembelajaran berperan penting dalam memfasilitasi pemahaman peserta didik terhadap materi ajar. Penelitian ini bertujuan untuk mengkaji efektivitas media pembelajaran larutan penyangga terintegrasi Augmented Reality terhadap literasi digital peserta didik fase F SMA. Penelitian ini menggunakan jenis penelitian Pre-Experimental Design dengan desain penelitian One Group Pretest Posttest Design dimana popolasi dalam penelitian ini terdiri dari seluruh peserta didik kelas XI Fase F SMA Negeri 5 Padang semester genap tahun ajaran 2024/2025. Subjek penelitian terdiri dari satu kelas eksperimen yang dipilih melalui teknik purposive sampling. Instrumen yang digunakan yaitu tes, angket dan lembar observasi. Data dianalisis menggunakan uji N-Gain dan uji-t untuk hasil tes, serta skala Likert untuk angket dan observasi. Hasil dari analisis tes hasil belajar diperoleh N-Gain sebesar 0,633 dalam kategori sedang dan pada uji-t diperoleh nilai signifikansi sebesar < 0,001, yang menandakan terdapat perbedaan signifikan antara pretest dan posttest. Selain itu, angket literasi digital peserta didik diperoleh sebesar 80,87% dengan kategori efektif. Berdasarkan analisis lembar observasi guru yang diperoleh menunjukkan rata-rata 87% dengan kategori sangat baik. Temuan ini menunjukkan bahwa media pembelajaran larutan penyangga terintegrasi Augmented Reality efektif dalam meningkatkan literasi digital serta mendukung proses pembelajaran yang adaptif terhadap perkembangan teknologi.
Co-Authors Andromeda Andromeda Arya, Engla Harda Effendi, Novicha Erman, Sylvia Dwi Ermawati, Ermawati Fitri Arsih Hafiza, Ufaira Machdalena, Machdalena Riady, AD Yenni Kurniawati Yerimadesi Yerimadesi Zuwita, Ariani