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JOURNAL OF SCIENCE AND SOCIAL RESEARCH
Published by Smart Education
ISSN : 26154307     EISSN : 26153262     DOI : -
Core Subject : Economy, Science, Education, Social,
Computer Science & IT Economics, Econometrics & Finance Education Social Sciences
Journal of Science and Social Research is accepts research works from academicians in their respective expertise of studies. Journal of Science and Social Research is platform to disclose the research abilities and promote quality and excellence of young researchers and experienced thoughts towards Change for Development. The journal releases on February and July.
Arjuna Subject : -
Articles 3,645 Documents
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PEMANFAATAN DAUN KELOR : ALTERNATIF SNACK SEHAT UNTUK PENCEGAHAN ANEMIA PADA REMAJA DI DESA TANJUNG BARU, KEC. BUKIT KEMUNING, KAB. LAMPUNG UTARA Sukawati Sukawati; Harmono; Nailul Mukarommah; Eneng Ulfa Debi Yani
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 9 No. 1 (2026): February 2026
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v9i1.5938

Abstract

Abstract: Anemia remains a common health problem among adolescents, especially female adolescents. This condition is mainly caused by iron deficiency, which can lead to decreased concentration, fatigue, and reduced productivity. Moringa leaves (Moringa oleifera) are known as local plants rich in iron, vitamins, and minerals that are beneficial for health. This study aims to analyze the utilization of moringa leaves as a healthy snack alternative for anemia prevention among adolescents in Tanjung Baru Village, Bukit Kemuning District, North Lampung Regency. This study used a descriptive qualitative method through educational activities, training on making moringa-based snacks, observation, and interviews. The results showed an increase in adolescents' knowledge about anemia and a high interest in consuming moringa-based snacks. The utilization of moringa leaves as healthy snacks is considered effective as a practical, innovative, and sustainable strategy for anemia prevention. Keywords: moringa leaves, healthy snacks, anemia, adolescents Abstrak: Anemia masih menjadi permasalahan kesehatan yang banyak dialami oleh remaja, terutama remaja putri. Kondisi ini disebabkan oleh kurangnya asupan zat besi yang berdampak pada menurunnya konsentrasi, mudah lelah, dan penurunan produktivitas. Daun kelor (Moringa oleifera) dikenal sebagai tanaman lokal yang kaya akan zat besi, vitamin, dan mineral yang bermanfaat untuk kesehatan. Penelitian ini bertujuan untuk mengetahui pemanfaatan daun kelor sebagai alternatif snack sehat dalam upaya pencegahan anemia pada remaja di Desa Tanjung Baru, Kecamatan Bukit Kemuning, Kabupaten Lampung Utara. Metode yang digunakan adalah deskriptif kualitatif melalui kegiatan edukasi, pelatihan pembuatan snack berbahan dasar daun kelor, observasi, dan wawancara. Hasil kegiatan menunjukkan adanya peningkatan pengetahuan remaja mengenai anemia serta tingginya minat terhadap konsumsi snack berbahan dasar daun kelor. Pemanfaatan daun kelor sebagai snack sehat dinilai efektif sebagai upaya pencegahan anemia yang praktis, inovatif, dan berkelanjutan. Kata kunci: daun kelor, snack sehat, anemia, remaja
ANALISIS PENGELOLAAN SAMPAH BERBASIS MASYARAKAT DALAM MENDUKUNG EKONOMI SIRKULAR DENGAN PENDEKATAN LOOP DYNAMICS MENUJU CITA PEMBANGUNAN BERKELANJUTAN Sanny Edinov; Ash Shadiq Egim; Gusnita Efrina; Ahmad Fauzi; Gita Desabta
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 9 No. 1 (2026): February 2026
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v9i1.5939

Abstract

Abstract: Rapid population growth and urbanization make solid waste management a pressing environmental and socio-economic challenge. The transition from a linear "take-use-dispose" economy to a restorative and regenerative circular economy model is imperative. This research in-depth analyzes how Community-Based Waste Management (CWBM) initiatives can contribute to achieving a circular economy, focusing on the interacting systematic dynamics. Using a Loop Dynamics approach, this study identifies and examines the complex cause-and-effect relationships and feedback loops in Padang City's waste management ecosystem. Through a quantitative survey of 100 respondents, it was found that the variables studied simultaneously had a significant influence on management success. However, no variable had a significant effect on the outcome. Loop Dynamics modeling revealed reinforcing loops (R1-R6) that drive positive cycles, such as increased revenue from recycling that stimulates participation, and balancing loops (B1-B3) that maintain system balance. These findings confirm that PSBM is not simply a mitigation strategy, but rather a strategic intervention point capable of driving a circular transition, creating local economic opportunities, and supporting the achievement of the Sustainable Development Goals (SDGs). The results of this study are expected to guide policymakers and communities in designing more innovative and adaptive waste management strategies. Keyword: waste management, circular economy, loop dynamics, sustainable development. Abstrak: Laju pertumbuhan penduduk dan urbanisasi yang pesat menjadikan pengelolaan sampah sebagai tantangan lingkungan dan sosial-ekonomi yang mendesak. Transisi dari ekonomi linier "ambil-pakai-buang" menuju model ekonomi sirkular yang restoratif dan regeneratif menjadi imperatif. Penelitian ini menganalisis secara mendalam bagaimana inisiatif Pengelolaan Sampah Berbasis Masyarakat (PSBM) dapat berkontribusi pada pencapaian ekonomi sirkular, dengan fokus pada sistematis yang saling berinteraksi. Menggunakan pendekatan Loop Dynamics, studi ini mengidentifikasi dan menguji hubungan sebab-akibat serta umpan balik kompleks di ekosistem pengelolaan sampah Kota Padang. Melalui survei kuantitatif terhadap 100 responden, ditemukan bahwa variabel yang diteliti secara simultan memiliki pengaruh signifikan terhadap keberhasilan pengelolaan. Namun, secara parsial tidak ada variabel yang memiliki pengaruh signifikan. Pemodelan Loop Dynamics mengungkap adanya reinforcing loops (R1-R6) yang mendorong siklus positif, seperti peningkatan pendapatan dari daur ulang yang memicu partisipasi, serta balancing loops (B1-B3) yang menjaga keseimbangan sistem. Temuan ini menegaskan bahwa PSBM bukan sekadar strategi mitigasi, melainkan titik intervensi strategis yang mampu mendorong transisi sirkular, menciptakan peluang ekonomi lokal, dan mendukung pencapaian Tujuan Pembangunan Berkelanjutan (SDGs). Hasil penelitian ini diharapkan dapat menjadi panduan bagi pembuat kebijakan dan komunitas dalam merancang strategi pengelolaan sampah yang lebih inovatif dan adaptif.. Kata kunci: pengelolaan sampah, ekonomi sirkular, loop dynamics, pembangunan berkelanjutan.
ANALISIS PENGENDALIAN PERSEDIAAN BAHAN BAKU GUNA MENINGKATKAN EFESIENSI PADA A2 COLLECTION PABRIK PENGRAJIN TAS KULIT DAN ROTAN PALANGKA RAYA Dewi Rahma; Achmad Syamsudin; Jonathan Giovanni; Ina Karuehni
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 9 No. 1 (2026): February 2026
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v9i1.5940

Abstract

Abstract: A2 Collection is a home-based industry engaged in the production of bags made from woven rattan combined with leather or synthetic materials in Palangka Raya City. In its operational activities, the company still encounters challenges in controlling rattan raw material inventory due to an inefficient ordering system, which leads to excess inventory and increased storage costs. This study aims to determine the optimal order quantity of rattan raw materials, identify the appropriate reorder point, and calculate the total inventory costs incurred by the company. The Economic Order Quantity (EOQ) method is employed in this research, including the analysis of optimal order quantity, safety stock, reorder point, and total inventory costs. The results indicate that the optimal order quantity of rattan raw materials is 1,363 sheets with an ordering frequency of five times per year. Reordering is carried out when inventory reaches 21 sheets with a safety stock of 4 sheets, while the total inventory cost amounts to Rp1,363,249 per year. The findings demonstrate that the implementation of the EOQ method effectively reduces inventory costs and improves the efficiency of raw material inventory management at A2 Collection. Keywords: Inventory, Raw Materials, Economic Order Quantity (EOQ).   Abstrak: A2 Collection merupakan usaha industri rumahan yang memproduksi tas berbahan anyaman rotan yang dikombinasikan dengan kulit maupun material sintetis di Kota Palangka Raya. Dalam pelaksanaan operasionalnya, usaha ini masih mengalami kendala dalam pengendalian persediaan bahan baku rotan karena sistem pemesanan yang belum efektif. Kondisi tersebut menyebabkan terjadinya kelebihan persediaan yang berdampak pada meningkatnya biaya penyimpanan. Penelitian ini bertujuan untuk menentukan jumlah pemesanan bahan baku rotan yang paling efisien, menetapkan waktu pemesanan kembali, serta menghitung total biaya persediaan yang harus dikeluarkan perusahaan. Metode Economic Order Quantity (EOQ) digunakan sebagai pendekatan analisis, yang mencakup perhitungan jumlah pemesanan optimal, persediaan pengaman (safety stock), titik pemesanan kembali (reorder point), dan total biaya persediaan. Hasil penelitian menunjukkan bahwa jumlah pemesanan bahan baku rotan yang paling optimal adalah 1.363 lembar dengan frekuensi pemesanan sebanyak lima kali dalam satu tahun. Pemesanan kembali dilakukan ketika persediaan mencapai 21 lembar dengan safety stock sebesar 4 lembar, sementara total biaya persediaan tercatat sebesar Rp1.363.249 per tahun. Temuan ini membuktikan bahwa penerapan metode EOQ mampu meningkatkan efisiensi pengelolaan persediaan serta menurunkan biaya yang dikeluarkan oleh A2 Collection. Kata Kunci: Persediaan, Bahan Baku, Economic Order Quantity (EOQ).
ANALISIS PENGARUH TAX PLANNING, STRUKTUR MODAL DAN PROFITABILITAS TERHADAP NILAI PERUSAHAAN Ike Tutri Agus Maranatha Damanik; Jerniwati Tafonao; Cindy Margareth Buulolo; Elizabet Ernimawanti Gulo; Triony Riavanscha Klara
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 9 No. 1 (2026): February 2026
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v9i1.5941

Abstract

Abstract: The decline in the performance of the property and real estate sector index on the Indonesia Stock Exchange (IDX) indicates a weakening of firm value, which in turn implies a decrease in investor confidence. This study aims to empirically examine the effects of tax planning, capital structure, and profitability on firm value among property and real estate companies listed on the IDX during the 2019–2023 period. Employing a quantitative approach with an empirical research design, this study utilizes secondary data obtained from companies’ annual financial statements. The research sample was selected using a purposive sampling technique, resulting in eight companies with a total of forty observations. Data analysis was conducted using multiple linear regression after the model satisfied the classical assumption tests, including normality, multicollinearity, and autocorrelation. The results indicate that tax planning and capital structure have a negative and significant effect on firm value, whereas profitability has a positive and significant effect. Simultaneously, the three independent variables exert a significant influence on firm value, with a coefficient of determination of 0.993, indicating that 99.3 percent of the variation in firm value is explained by the research model. These findings underscore that tax policies, financing decisions, and profitability performance are key determinants of firm value. This study contributes empirical evidence to the corporate finance literature and offers practical implications for management in formulating financial strategies oriented toward the sustainable enhancement of firm value. Keywords: Tax Planning; Capital Structure; Profitability; Firm Value. Abstrak: Penurunan kinerja indeks sektor property dan real estate di Bursa Efek Indonesia (BEI) mengindikasikan melemahnya nilai perusahaan yang berimplikasi pada penurunan kepercayaan investor. Penelitian ini bertujuan untuk menguji secara empiris pengaruh tax planning, struktur modal, dan profitabilitas terhadap nilai perusahaan pada perusahaan sektor properti dan real estate yang terdaftar di BEI selama periode 2019–2023. Penelitian ini menggunakan pendekatan kuantitatif dengan desain penelitian empiris berbasis data sekunder yang diperoleh dari laporan keuangan tahunan perusahaan. Sampel penelitian ditentukan melalui teknik purposive sampling, menghasilkan 8 perusahaan dengan total 40 observasi. Analisis data dilakukan menggunakan regresi linier berganda setelah model memenuhi asumsi klasik, termasuk uji normalitas, multikolinearitas, dan autokorelasi. Hasil penelitian menunjukkan bahwa tax planning dan struktur modal berpengaruh negatif dan signifikan terhadap nilai perusahaan, sedangkan profitabilitas berpengaruh positif dan signifikan. Secara simultan, ketiga variabel independen menunjukkan pengaruh signifikan terhadap nilai perusahaan dengan koefisien determinasi sebesar 0,993, yang menunjukkan bahwa 99,3 persen variasi nilai perusahaan dapat dijelaskan oleh model penelitian. Temuan ini menegaskan bahwa kebijakan perpajakan, keputusan pendanaan, dan kinerja profitabilitas merupakan determinan utama nilai perusahaan. Penelitian ini memberikan kontribusi empiris terhadap literatur keuangan perusahaan serta implikasi praktis bagi manajemen dalam merumuskan strategi keuangan yang berorientasi pada peningkatan nilai perusahaan secara berkelanjutan. Kata kunci: Tax Planning; Struktur Modal; Profitabilitas; Nilai Perusahaan.
IMPLEMENTASI TEKNOLOGI DALAM PENGUATAN LITERASI DAN NUMERASI SEBAGAI STRATEGI PENINGKATAN PRODUKTIVITAS SUMBER DAYA MANUSIA JANGKA PANJANG Muthia Rahma Dianti; Lula Mustafa
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 9 No. 1 (2026): February 2026
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v9i1.5942

Abstract

Abstract: Technology implementation plays a strategic role in improving the quality of human resources as a fundamental foundation of long-term economic productivity. From a human capital economics perspective, basic education represents the initial phase of human capital formation that determines individuals’ future productive capacity. This study aims to analyze the implementation of technology in strengthening literacy and numeracy as a human capital formation strategy from the elementary education level to promote long-term productivity gains. This research employs a descriptive qualitative approach with a case study design conducted at SDN 3 Pasaman, focusing on fourth- and fifth-grade students. Data collection techniques include observations of technology-based learning, documentation of school programs, and analysis of students’ literacy and numeracy achievements as early indicators of human resource quality. The results indicate that the structured use of educational technology enhances the effectiveness of literacy and numeracy strengthening as foundational competencies for digital human resources. The improvement of these competencies has the potential to generate productivity gains through increased cognitive capacity, adaptability, and future workforce readiness. This study confirms that integrating technology with literacy and numeracy strengthening constitutes an economically relevant strategy for digital human resource development and the enhancement of national economic competitiveness. Keyword: Technology Implementation, Literacy; Numeracy, Digital Human Capital, Human Resource Productivity Abstrak: Implementasi teknologi memiliki peran strategis dalam meningkatkan kualitas sumber daya manusia sebagai fondasi utama produktivitas ekonomi jangka panjang. Dalam perspektif ekonomi sumber daya manusia, pendidikan dasar merupakan fase awal pembentukan human capital yang menentukan kapasitas produktif individu di masa depan. Penelitian ini bertujuan untuk menganalisis implementasi teknologi dalam penguatan literasi dan numerasi sebagai strategi human capital formation sejak jenjang pendidikan dasar guna mendorong productivity gain jangka panjang. Penelitian ini menggunakan pendekatan deskriptif kualitatif dengan desain studi kasus di SDN 3 Pasaman yang berfokus pada siswa kelas IV dan V. Teknik pengumpulan data dilakukan melalui observasi pembelajaran berbasis teknologi, dokumentasi program sekolah, serta analisis capaian literasi dan numerasi siswa sebagai indikator awal kualitas sumber daya manusia. Hasil penelitian menunjukkan bahwa pemanfaatan teknologi pembelajaran secara terstruktur meningkatkan efektivitas penguatan literasi dan numerasi sebagai kompetensi dasar pembentuk sumber daya manusia digital. Peningkatan kompetensi tersebut berpotensi menghasilkan productivity gain melalui peningkatan kapasitas kognitif, adaptabilitas, dan kesiapan tenaga kerja di masa depan. Penelitian ini menegaskan bahwa integrasi teknologi dengan penguatan literasi dan numerasi merupakan strategi ekonomi yang relevan dalam pembangunan sumber daya manusia digital dan peningkatan daya saing ekonomi nasional. Kata kunci: Implementasi Teknologi, Literasi, Numerasi, Sumber Daya Manusia Digital, Produktivitas Sumber Daya Manusia
ANALISIS PENGARUH KUALITAS LAYANAN SISTEM INFORMASI AKADEMIK TERHADAP KEPUASAN MAHASISWA Sonia Widia Sipahutar; Lasmaria Lumban Tobing; Abai Manupak Tambunan; Tetti Manullang; Robinhot Sihombing
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 9 No. 1 (2026): February 2026
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v9i1.5943

Abstract

Abstract: Service quality can be defined as the extent to which the services provided are able to consistently meet customer expectations. In the context of education, service quality encompasses all aspects of service experienced by students, ranging from the learning process and interaction with educators to the provision of supporting facilities that facilitate educational success. This study aims to determine the effect of the quality of the academic information system on the satisfaction of undergraduate students in the Faculty of Social and Christian Humanities at IAKN Tarutung in 2025. The method used in this study is quantitative inferential research. The population in this study consisted of all undergraduate students of the Faculty of Christian Social and Humanities Sciences at IAKN Tarutung in 2025, totaling 339 people. In this study, the sample size was set at 184 people using the Slovin formula, while the sampling technique used was proportionate stratified random sampling. Data were collected using a closed questionnaire consisting of 40 items. The results showed that 64.8% of the quality of the academic information system affected the satisfaction of undergraduate students at the Faculty of Social and Humanities Sciences, IAKN Tarutung, in 2025. Keyword: Academic Information System Service Quality, Student Satisfaction Abstrak: Kualitas layanan dapat diartikan sebagai sejauh mana pelayanan yang diberikan mampu memenuhi harapan pelanggan secara konsisten. Dalam konteks pendidikan, kualitas layanan mencakup keseluruhan aspek pelayanan yang dirasakan oleh peserta didik, mulai dari proses pembelajaran, interaksi dengan tenaga pendidik, hingga penyediaan fasilitas pendukung yang menunjang keberhasilan pendidikan. Penelitian ini bertujuan untuk mengetahui pengaruh kualitas layanan sistem informasi akademik terhadap kepuasan mahasiswa strata 1 fakultas ilmu sosial dan humaniora kristen IAKN Tarutung tahun 2025. Metode yang digunakan dalam penelitian ini adalah metode penelitian kuantitatif inferensial. Populasi dalam penelitian ini seluruh mahasiswa/i Strata 1 Fakultas Ilmu Sosial dan Humaniora Kristen IAKN Tarutung Tahun 2025 yang berjumlah 339 orang. Pada penelitian ini, jumlah sampel ditetapkan sebanyak 184 orang dengan menggunakan rumus Slovin, sedangkan teknik pengambilan sampel yang digunakan adalah teknik proportionate stratified random sampling. Data dikumpulkan dengan angket tertutup sebanyak 40 item. Hasil penelitian menunjukkan bahwa 64,8% kualitas layanan sistem informasi akademik berpengaruh terhadap kepuasan mahasiswa strata 1 Fakultas Ilmu Sosial dan Humaniora Kristen IAKN Tarutung Tahun 2025. Kata kunci: Kualitas Layanan Sistem Informasi Akademik, Kepuasan Mahasiswa
PENGEMBANGAN MODEL HYBRID KECERDASAN ARTIFISIAL UNTUK DETEKSI DINI PNEUMONIA PADA ANAK BERBASIS DATA KLINIS DAN CITRA RADIOLOGI Nu'man; Qori Armiza Septia; Nopianto Nopianto; Junadhi
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 9 No. 2 (2026): April 2026
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/8yevs669

Abstract

Pneumonia is one of the leading causes of death in children, so early detection is very important to increase the chances of recovery. This study aims to develop a hybrid model based on artificial intelligence to detect pneumonia in children by combining X-ray images and clinical data. The system is built in two main stages: image feature extraction using Convolutional Neural Network (CNN) based on MobileNetV2 architecture, and combined classification of visual and clinical features using Support Vector Machine (SVM). The CNN model successfully classified children's lung conditions with an accuracy of 89.92% and a recall of 0.95 in the pneumonia class, indicating excellent detection sensitivity. The SVM model built using clinical data also showed competitive performance with an accuracy of 90%, confirming the important contribution of clinical data in supporting diagnosis. The hybrid model combining visual feature vectors (128 dimensions) and 12 clinical features showed very high performance with an accuracy of 98% on the test data, and precision and recall above 0.98 in both classes. Principal Component Analysis (PCA) visualization shows a clearly separated class distribution, supporting the reliability of the multimodal representation used. The results of this study indicate that the integration of visual and clinical data significantly improves the accuracy and sensitivity of the model, making it a potential candidate as an AI-based pneumonia diagnostic tool. This model is very relevant to be applied in areas with limited medical personnel, to support faster and more accurate early detection. Further research is recommended to test the model's performance on more heterogeneous external data to ensure generalization capabilities.
Sistem Informasi Peminjaman Barang Elektronik Berbasis Web Menggunakan QR Code Dona Mila Rosa; Faiza Rini; Ade Pratama
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 9 No. 2 (2026): April 2026
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/12tf4f68

Abstract

Abstrak: Penelitian ini mengembangkan sistem peminjaman barang elektronik berbasis QR Code di Program Studi Teknologi Informasi Universitas PGRI Sumatera Barat untuk menggantikan pencatatan manual yang kurang efisien. Sistem dibuat menggunakan metode SDLC model waterfall dan diuji melalui whitebox, blackbox, serta uji beta dengan melibatkan ahli dan pengguna. Hasil pengujian menunjukkan bahwa sistem layak digunakan karena mampu meningkatkan ketepatan, kerapian, dan efektivitas proses peminjaman. Kata kunci: Sistem Informasi, Peminjaman Barang, QR Code, Website
PENERAPAN MODEL PEMBELAJARAN KOOPERATIF TIPE STAD OLEH GURU PAK DALAM PENINGKATAN HASIL BELAJAR SISWA Yesika Mida Gloria Sibatuara; Lustani Samosir; Ronny Simatupang; Lasmaria Lumban Tobing; Ordekoria Saragih
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 9 No. 2 (2026): April 2026
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/8a4xpg17

Abstract

Abstract: The purpose of this study was to determine the effect of the implementation of the Student Achievement Division (STAD) type cooperative learning model by Christian Religious Education and Character Education teachers on the learning outcomes of class XI students of SMA Negeri 1 Doloksanggul in the 2025/2026 academic year. Research hypothesis: There is an effect of the implementation of the STAD type cooperative learning model by Christian Religious Education and Character Education teachers on the learning outcomes of students in the 80 grade category of class XI of SMA Negeri 1 Doloksanggul in the 2025/2026 academic year. The population of all Protestant Christian students of class XI of SMA Negeri 1 Doloksanggul in the 2025/2026 academic year = 325 students consisting of 10 classes. The research sample was determined using a purposive sampling technique, namely class XI-5 = 30 students (experimental) and class XI-3 = 30 students (control). The research method used a quantitative method of the Quasy Experimental Design type with a Nonequivalent Control Group Design. The research instrument was a question for the Y variable of 28 items. N-Gain Score of experimental class = 0.4367 medium category, control class = 0.0687 low category. thitung = 6.216 > ttabel (? = 5%) = 1.671 and the average posttest score of experimental class students' learning outcomes = 83>80. It can be concluded that the research hypothesis is accepted, namely there is an influence of the application of the STAD type cooperative learning model by Christian Religious Education and Character Education teachers on the learning outcomes of class XI students of SMA Negeri 1 Doloksanggul in the 2025/2026 academic year.   Keywords: STAD model, student learning outcomes   Abstrak: Tujuan penelitian ini untuk mengetahui Pengaruh Penerapan Model Pembelajaran Kooperatif Tipe Student Achievement Division (STAD) Oleh Guru Pendidikan Agama Kristen dan Budi Pekerti Terhadap Hasil Belajar Siswa kelas XI SMA Negeri 1 Doloksanggul Tahun Pembelajaran 2025/2026. Hipotesis penelitian: Terdapat pengaruh penerapan model pembelajaran kooperatif tipe STAD oleh guru Pendidikan Agama Kristen dan Budi Pekerti terhadap hasil belajar siswa pada kategori nilai 80 kelas XI SMA Negeri 1 Doloksanggul tahun pembelajaran 2025/2026. Populasi seluruh siswa Kristen Protestan kelas XI SMA Negeri 1 Doloksanggul tahun pembelajaran 2025/2026= 325 siswa terdiri dari 10 kelas. Sampel penelitian ditetapkan menggunakan teknik purposive sampling yaitu kelas XI-5= 30 siswa (eksperimen) dan kelas XI-3= 30 siswa (kontrol). Metode penelitian menggunakan metode kuantitatif jenis Quasy Experimental Design dengan desain Nonequivalent Control Group Design. Instrumen penelitian ini adalah soal untuk variable Y sebanyak 28 item. N-Gain Skor kelas eksperimen= 0,4367 kategori sedang, kelas kontrol= 0,0687 kategori rendah. thitung= 6,216 > ttabel(?=5%)= 1,671 dan nilai posttest rata-rata hasil belajar siswa kelas eksperimen= 83>80 . Dapat disimpulkan hipotesis penelitian diterima yaitu terdapat pengaruh penerapan model pembelajaran kooperatif tipe STAD oleh guru Pendidikan Agama Kristen dan Budi Pekerti terhadap hasil belajar siswa kelas XI SMA Negeri 1 Doloksanggul tahun pembelajaran 2025/2026   Kata kunci: model STAD, hasil belajar siswa
EFEKTIFITAS QUANTUM LEARNING BERBANTUAN ALAT PERAGA DALAM MENINGKATKAN PEMAHAMAN KONSEP MATEMATIKA SISWA DI SD BINA INSANI DESA SIALOGO Masdelima Azizah Sormin; Benny Sofyan Samosir; Ainun Mardiah Lubis; Nurmaini Ginting; Rawani Indah Tanjung; Adinda Pratini Lubis
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 9 No. 2 (2026): April 2026
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v8i4.5976

Abstract

Abstract: This research is motivated by the low understanding of mathematical concepts among students at SD Bina Insani, Sialogo Village, due to the perception that mathematics is difficult and abstract. The study aims to determine the effectiveness of the Quantum Learning model assisted by teaching aids in improving the understanding of comparison concepts among sixth-grade students. The research method uses a quantitative approach with a Pre-Experimental One Group Pretest-Posttest design. The research sample consisted of 10 students randomly selected from a population of 20 students. The instrument used was a written test in the form of story problems administered before and after the treatment. Data analysis employed descriptive statistics and a paired sample t-test. The results showed an increase in the average score from 52.30 in the pretest to 78.50 in the posttest. Hypothesis testing obtained a significance value of 0.000 < 0.05, thus H? is rejected. It is concluded that Quantum Learning assisted by teaching aids is effective in improving students' understanding of mathematical concepts. This model creates an enjoyable learning experience and makes abstract concepts more concrete through direct learning experiences.   Keywords: Quantum Learning, Teaching Aids, Concept Understanding, Mathematics, Elementary School, Comparison   Abstrak: Penelitian ini dilatarbelakangi oleh rendahnya pemahaman konsep matematika siswa di SD Bina Insani Desa Sialogo akibat anggapan bahwa matematika sulit dan abstrak. Tujuan penelitian adalah untuk mengetahui efektivitas model pembelajaran Quantum Learning berbantuan alat peraga dalam meningkatkan pemahaman konsep perbandingan siswa kelas VI. Metode penelitian menggunakan pendekatan kuantitatif dengan desain Pre-Experimental One Group Pretest-Posttest. Sampel penelitian berjumlah 10 siswa yang diambil secara acak dari populasi 20 siswa. Instrumen yang digunakan berupa tes tertulis berbentuk soal cerita yang diberikan sebelum dan sesudah perlakuan. Analisis data menggunakan statistik deskriptif dan uji paired sample t-test. Hasil penelitian menunjukkan peningkatan nilai rata-rata dari 52,30 pada pretest menjadi 78,50 pada posttest. Uji hipotesis memperoleh nilai signifikansi 0,000 < 0,05 sehingga H? ditolak. Disimpulkan bahwa Quantum Learning berbantuan alat peraga efektif meningkatkan pemahaman konsep matematika siswa. Model ini menciptakan pembelajaran menyenangkan dan mengkonkretkan konsep abstrak melalui pengalaman belajar langsung.   Kata Kunci: Quantum Learning, Alat Peraga, Pemahaman Konsep, Matematika, Sekolah Dasar, Perbandingan.

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