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All Journal Edumatsains Jurnal Pendidikan: Teori, Penelitian, dan Pengembangan Desimal: Jurnal Matematika Jurnal Pendidikan Matematika (JUDIKA EDUCATION) JURNAL PENDIDIKAN TAMBUSAI Jurnal Penelitian dan Pengkajian Ilmu Pendidikan: e-Saintika JURNAL PEMBELAJARAN DAN MATEMATIKA SIGMA (JPMS) JP2M (Jurnal Pendidikan dan Pembelajaran Matematika) SEPREN: Journal of Mathematics Education and Applied International Journal of Educational Research and Social Sciences (IJERSC) CENDEKIA : Jurnal Ilmu Pengetahuan MANAJERIAL: Jurnal Inovasi Manajemen dan Supervisi Pendidikan International Journal of Education, Social Studies, And Management (IJESSM) Educenter: Jurnal Ilmiah Pendidikan JURNAL PENDIDIKAN INDONESIA: Teori, Penelitian, dan Inovasi IKA BINA EN PABOLO : PENGABDIAN KEPADA MASYARAKAT Edu Society: Jurnal Pendidikan, Ilmu Sosial dan Pengabdian Kepada Masyarakat Jurnal Ilmiah Pendidikan Dasar (JIPDAS) Takuana: Jurnal Pendidikan, Sains, dan Humaniora Indonesian Journal Education Jurnal Penelitian Ilmu Pendidikan Indonesia TOFEDU: The Future of Education Journal EDUCENTER JURNAL PENDIDIKAN Cermat : Jurnal Cendekiawan dan Riset Multidisiplin Akademik Terintegrasi
Harahap, Amin
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Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Physics Public Health Social Sciences Other

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The Effect of Contextual Digital Teaching Materials and Creativity on Students’ Scientific Literacy in the Digital Era Yanti Nainggolan, Irma; Hasibuan, Lily Rohanita; Harahap, Amin
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 10 No 4 (2026): April
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v10i4.8042

Abstract

Students’ scientific literacy remains low due to the continued use of conventional learning methods that are less contextual and interactive. This study aims to determine the effect of context-based and creative digital teaching materials on students’ scientific literacy. A quasi-experimental pretest-posttest control group design was used involving 60 seventh-grade students divided into an experimental class (n = 30) and a control class (n = 30). The instruments included scientific literacy tests, questionnaires, and observation sheets. The results showed that the average posttest score of the experimental class (30.03) was significantly higher than that of the control class (24.50), with t(58) = 2.38, p = 0.021. The N-Gain value of the experimental class was 0.21 (low category), which was higher than the control class at 0.004 (low category). These findings indicate that context-based and creative digital teaching materials are effective in improving students’ scientific literacy, although the level of improvement remains low.
Pengaruh Mode Pembelajaran Inquiry Cooperation Berbantuan Geogebra terhadap Kemampuan Berpikir Kritis Siswa Maisarah, Leila; Hasibuan, Lily Rohanita; Harahap, Amin
Jurnal Pendidikan Matematika : Judika Education Vol. 9 No. 2 (2026): Jurnal Pendidikan Matematika:Judika Education
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/ah4v0r84

Abstract

This study aims to analyze the effect of implementing the Inquiry Cooperation assisted by GeoGebra software on students’ mathematical critical thinking skills. This research employed a quantitative approach using a quasi-experimental method with a pretest–posttest control group design. The sample consisted of 60 students who were divided into an experimental group and a control group. The research instrument was a multiple-choice test consisting of 15 items that had met the criteria of validity and reliability. Data were analyzed using both descriptive and inferential statistics, including normality tests, homogeneity tests, paired sample t-tests, independent sample t-tests, and N-Gain analysis. The results showed that the average score of students’ mathematical critical thinking skills in the experimental group increased from 6.60 to 7.67, while the control group showed only a minimal improvement. The independent sample t-test yielded a significance value of 0.006 (< 0.05), indicating a significant difference between the two groups. Furthermore, the experimental group achieved an N-Gain score of 56.26% (moderately effective category), whereas the control group obtained 15.20% (ineffective category). Therefore, it can be concluded that the implementation of the Inquiry Cooperation Model assisted by GeoGebra has a positive and more.   Keywords: Mathematical Critical Thinking, GeoGebra, Inquiry Cooperation Model.
STRATEGI MANAJEMEN SUMBER DAYA MANUSIA DALAM MENINGKATKAN KINERJA GURU DI ERA DIGITALISASI Lubis, Khoirunnisaiyah; Harahap, Amin; Maksum, Hasan; Rambe, Lismawati
Jurnal Ilmiah Pendidikan Dasar (JIPDAS) Vol 6 No 1 (2026): Vol. 6 No. 1 Edisi Februari 2026
Publisher : Program Studi Pendidikan Guru Sekolah Dasar Fakultas Pendidikan Ilmu Pengetahuan Sosial dan Bahasa Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/jipdas.v6i1.3901

Abstract

Penelitian ini bertujuan untuk menganalisis strategi manajemen sumber daya manusia (SDM) yang diterapkan dalam meningkatkan kinerja guru di era digitalisasi. Transformasi digital telah mengubah cara kerja dan pola pembelajaran di lingkungan pendidikan, sehingga menuntut adanya adaptasi manajerial dalam pengelolaan guru sebagai elemen kunci dalam proses pembelajaran. Metode penelitian yang digunakan adalah pendekatan kualitatif deskriptif dengan pengumpulan data melalui wawancara mendalam, observasi, dan studi dokumentasi pada beberapa sekolah menengah. Hasil penelitian mencerminkan bahwa strategi manajemen SDM yang efektif mencakup pelatihan berbasis teknologi, sistem evaluasi kinerja digital, pemberdayaan guru melalui komunitas belajar daring, serta penerapan reward and punishment yang adaptif terhadap perkembangan teknologi. Selain itu, kepemimpinan kepala sekolah yang visioner dan dukungan infrastruktur digital turut memperkuat implementasi strategi tersebut. Dengan manajemen SDM yang terarah dan inovatif, kinerja guru dapat ditingkatkan secara signifikan, baik dari segi kompetensi pedagogik maupun profesionalisme di era digital.
Penerapan Model Regresi Linear dalam Optimalisasi Pemupukan pada Tanaman Padi di Kalimantan Timur Br Barus, Mika Debora; Harahap, Amin; Darma Nasution, Dito Aditia
Sepren Vol 7 No 02 (2026): Edisi Mei 2026
Publisher : Prodi Pendidikan Matematika FKIP Universitas HKBP Nommensen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36655/sepren.v7i02.2133

Abstract

Pemupukan merupakan salah satu faktor penting dalam meningkatkan produktivitas tanaman padi. Namun, penggunaan pupuk yang tidak tepat dapat menyebabkan pemborosan biaya dan pencemaran lingkungan. Penelitian ini bertujuan untuk mengembangkan model regresi linear yang dapat mengoptimalkan dosis pemupukan berdasarkan karakteristik lahan di Kalimantan Timur. Penelitian dilakukan di tiga lokasi sentra produksi padi dengan mengambil 120 sampel petani. Variabel yang diamati meliputi dosis pupuk nitrogen (N), fosfor (P), kalium (K), serta hasil panen padi (ton/ha). Data dianalisis menggunakan metode regresi linear berganda dengan software SPSS 26. Hasil penelitian menunjukkan bahwa model regresi yang dihasilkan memiliki nilai R² = 0,847 dengan persamaan Y = 2,345 + 0,0125X₁ + 0,0089X₂ + 0,0067X₃. Uji F menunjukkan nilai signifikansi 0,000 (p<0,05) yang berarti model regresi layak digunakan. Dosis optimum pupuk yang direkomendasikan adalah N = 180 kg/ha, P₂O₅ = 90 kg/ha, dan K₂O = 60 kg/ha dengan prediksi hasil panen 6,45 ton/ha. Penerapan model ini dapat meningkatkan efisiensi pemupukan sebesar 23% dan mengurangi biaya produksi hingga 15%.
Co-Authors Abduh, Jamaluddin Abrar, Ragil Wahyuda Adella, Priti Ahmad, Afnida Rahma Alvionita, Icha Apriliani, Bela Ariady, M. Saddam Astanti, Arinda Aulya, Isnita Azzahra, Luthfia BUNGA, SRI Cahyani, Santi Nur Cantika, Fitri Chairul Anwar Daulay, Ahmad Sadikin Dito Aditia Darma Nasution Fadillah, Nurfitri Feri, Jonny Fikriah, Anni Zhofaul Gunawan Gunawan Gurusinga, Yasma Ariamma Br Habibah Pasaribu , Laili Hairani, Ummy harahap , Nurlina Ariani Harahap, Eka Aprilla Harahap, Nurlina Harahap, Nurlina Ariani Harahap, Priharti Ningrum Harahap, Siti Amroh Hasan Maksum Hasibuan, Dina Sari Hasibuan, Gabe Rohana Hasibuan, Ifdlol Amarullah Hasibuan, Lily Rohanita Hasibuan, Rosmidah Hazriani, Hazriani Hijrah, Nurul Hisbullah, Wahab Hotmauli Situmorang, Hotmauli Hrp, Nurlina Ariani Husniya, Annisa Hutapea, Maulin Elisabet Laurance Ibnu Hajar Julianti Julianti, Julianti Julyanti, Eva Laia, Valentinus Operianus Lubis, Bisma Salsa Fitri lubis, Hutni Soraya Lubis, Khoirunnisaiyah Magriani Nasution, Dina Maisarah, Leila Malau, Roslin Manja, Aisyah Putri Manurung, Chairul Manurung, Safaruddin Mayliawati, Mayliawati Mika Debora Br Barus Milfayetti, Sri Munthe, Desi Yanti Nanda, Sherlly Arisa Nasution, Juwita Andriani Nasution, Siska Emilia Sari Nasution, Siti Khoiriyah Nasution, Zulfadli Ningsih, Wanda Suhari NOMY, ALDYANI REMADHINA Nst, Jamaluddin Abduh Nuraisyah Nuraisyah Nurwijayanti Pasaribu, Gita Sartika Pasaribu, Laili Habibah Pasyah, Aisa Oktari Patwal, Anurada Putra, Darpansyah Putri Andini, Putri Putri, Octa Olivia Rahmadani, Laila Ramadani, Suci Rambe, Lismawati RAMBE, MAHADI KESUMA Repal, Joni Ritonga, Dinda Adetiya Ritonga, Pirman Mulatua Ritonga, Sahrona RITONGA, SYAWALUDDIN Rosmiaty, Rini Rudianto Rudianto Sabil, Ibnu Sabila, Ananda Gita Safitri, Islamiani Sapriyani, Sapriyani Saragih, Eva Sari, Indri Kumala Sary, Irma Silalahi, Linda Laswati Simanullang, Diva Karina Sinulingga, Sintya Lestari Siregar, Faisal Efendi Siregar, Julmahdi Siregar, Khofifah Indriyan Siregar, Lenny Rotua Masriany Siregar, Sakinah Ubudiyah Siti Aisyah Siti Nuraisah, Siti Suciati, Sriani Sukowati, Dewi Suripto Suripto Susrini, Susrini Syara, Lili Tamba, Hergustison Tampubolon, Yudi Antoni Tanjung, Rahmat Syahputra Toni, Toni Tri Rahmawati, Tri Ulfah, Mariam Wijaya, Aland Yanti Nainggolan, Irma Zahra, Elvita Zuhairi, Zuhairi