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The effectiveness of pre-tests and post-tests for teaching industrial ecology in an engineering management program Arianti, Santi Febri
Cendikia : Media Jurnal Ilmiah Pendidikan Vol 14 No 6 (2024): July: Education Science
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/cendikia.v14i6.5266

This study aims to evaluate the effectiveness of using pre-tests and post-tests combined with interactive teaching methods to enhance student engagement and understanding in an Industrial Ecology course within an Engineering Management program. Given the theoretical nature of the subject matter, this research seeks to address student disengagement and boredom by integrating regular assessments and group activities. The study was conducted with a cohort of students enrolled in the Industrial Ecology course. A structured lecture format was employed, incorporating pre-tests at the beginning of each class, followed by theoretical presentations, post-tests, and interactive group assignments. The pre-test and post-test questions were identical to assess retention and attention. Student engagement was measured through participation rates, test scores, and feedback surveys. Group activities were designed to foster discussion and critical thinking, with peer evaluations conducted to ensure active participation. The results indicated a significant improvement in student engagement and understanding. The average post-test scores increased by 20% compared to pre-test scores, demonstrating enhanced retention of the material. Student feedback revealed a higher level of interest and motivation, attributing it to the interactive and structured nature of the classes. The novelty of this approach lies in the systematic use of pre-tests and post-tests to maintain attention and the integration of interactive elements to counteract theoretical boredom, offering a practical solution for similar educational contexts.

Peningkatan Literasi STEM melalui Del Mathematics and Science Competition Bidang Kimia Arianti, Santi Febri; Kembaren, Roga Florida; Ronauli Silalahi, Fitriani Tupa; Gurning, Kartini Florensya; Sihombing, Lasro Setia
Lebah Vol. 18 No. 2 (2025): Maret: Pengabdian
Publisher : IHSA Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar

Kompetisi sains dan matematika memiliki peran penting dalam mendukung literasi STEM (Science, Technology, Engineering, and Mathematics), terutama di wilayah dengan akses pendidikan terbatas. Artikel ini menganalisis Del Mathematics and Science Competition (DMSC) bidang kimia, yang menggunakan format kompetisi hibrida untuk menjangkau siswa dari berbagai latar belakang geografis di Sumatra Utara. Kegiatan ini dirancang untuk meningkatkan pemahaman konsep kimia seperti struktur atom, ikatan kimia, dan termodinamika, sekaligus memotivasi siswa untuk melanjutkan pendidikan di bidang STEM. Dari 485 peserta yang mendaftar, 100 siswa mengikuti kompetisi bidang kimia pada putaran awal daring, dan 25 siswa terbaik melanjutkan ke putaran final luring. Hasil menunjukkan peningkatan rata-rata nilai peserta dari 50,5 menjadi 70,2, mencerminkan efektivitas kompetisi dalam meningkatkan pemahaman materi. Survei juga mencatat peningkatan minat siswa terhadap STEM, dari 60% sebelum kompetisi menjadi 85% setelah kegiatan. Temuan ini mendukung efektivitas format hibrida yang inklusif dalam memberikan pengalaman belajar bermakna dan mengatasi tantangan aksesibilitas pendidikan. Saran untuk pengembangan kegiatan ke depan mencakup peningkatan dukungan teknologi dan penambahan komponen pelatihan untuk memperkuat dampak kompetisi

Integrating theory and practice through industrial site visits at PT INALUM Arianti, Santi Febri
Cendikia : Media Jurnal Ilmiah Pendidikan Vol 15 No 3 (2025): January: Education Science
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/cendikia.v15i3.5857

The industrial site visit to PT Indonesia Asahan Aluminium (INALUM) was conducted to bridge the gap between theoretical knowledge and practical applications in metallurgical engineering education. This study employed a descriptive-analytical approach to evaluate the effectiveness of the visit in enhancing students’ understanding of aluminum production processes, engagement levels, and career readiness. Data were collected through structured questionnaires and analyzed using both quantitative and qualitative methods. Results showed significant improvements in students’ comprehension of metallurgical processes, particularly the Hall-Héroult process, casting operations, and quality assurance practices. Engagement ratings across activities were consistently high, and career interest in the aluminum industry increased from 56% before the visit to 82% after. The findings highlight the value of experiential learning in aligning academic curricula with industry demands. Future studies could explore larger sample sizes, longitudinal impacts, and the inclusion of hands-on activities to further enhance learning outcomes and career aspirations. This research underscores the importance of industrial partnerships in preparing skilled and sustainability-conscious metallurgical engineers.

Reproductive and developmental effects of carbon nanotube exposure: A systematic review Arianti, Santi Febri
Science Midwifery Vol 13 No 1 (2025): April: Health Sciences and related fields
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/midwifery.v13i1.1914

Carbon nanotubes (CNTs) are nanoscale materials widely utilized in medical and industrial fields due to their unique physicochemical properties. However, growing exposure to CNTs—particularly during pregnancy—has raised concerns about their potential impact on reproductive health and fetal development. This review aims to identify and evaluate scientific evidence on the effects of CNT exposure on reproductive systems, pregnancy outcomes, and fetal development in both humans and animals, while also exploring the underlying biological mechanisms. A systematic review was conducted in accordance with the PRISMA 2020 guidelines. Literature searches were performed across PubMed, Scopus, Web of Science, and Google Scholar using combinations of keywords related to CNTs, pregnancy, fertility, and toxicity. Articles that met the inclusion criteria were screened and analyzed narratively according to thematic outcomes. Study quality was assessed using the SYRCLE and Newcastle-Ottawa Scale tools. A total of 43 studies were included. CNT exposure was associated with disrupted reproductive cycles, reduced sperm quality, miscarriage, placental dysfunction, and fetal developmental abnormalities. The primary mechanisms involved oxidative stress, inflammation, hormonal disruption, and epigenetic alterations with transgenerational effects. CNTs have the potential to adversely affect reproductive health and fetal development. This review highlights the urgent need for awareness, protective regulations, and further research in human populations to reduce risks to maternal and child health in the context of expanding nanotechnology applications.

Membangun Kesadaran Gizi Anak Prasekolah Melalui Pasar Makanan Sehat Arianti, Santi Febri
Lebah Vol. 18 No. 3 (2025): May: Pengabdian
Publisher : IHSA Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/lebah.v18i3.300

Pendidikan gizi sejak usia dini berperan penting dalam membentuk kebiasaan makan sehat dan mencegah risiko gizi buruk. Penelitian ini bertujuan untuk mengeksplorasi efektivitas kegiatan market day berbasis makanan lokal sebagai pendekatan edukasi gizi yang kontekstual dan kolaboratif di taman kanak-kanak. Pendekatan yang digunakan adalah studi kasus instrumental dengan metode deskriptif kualitatif yang didukung data kuantitatif deskriptif. Data dikumpulkan melalui observasi partisipatif, wawancara, dokumentasi, dan angket terbuka. Kegiatan dilaksanakan di TK YASPI Balige, melibatkan 20 anak usia 4–6 tahun dan orang tua mereka yang berkolaborasi menentukan produk makanan sehat berbasis umbi-umbian, biji-bijian, dan buah-buahan. Diskusi dilakukan melalui grup WhatsApp kelas, dan anak-anak berpartisipasi langsung sebagai penjual dan pembeli. Hasil menunjukkan 100% anak terlibat aktif, 90% memilih makanan sehat, dan 85% orang tua melaporkan peningkatan pemahaman gizi keluarga. Penelitian ini menawarkan kontribusi konseptual berupa model “Market Day Gizi Berbasis Keluarga”, yang mengintegrasikan pembelajaran berbasis pengalaman, partisipasi digital orang tua, dan edukasi gizi lokal. Temuan ini menunjukkan bahwa pendekatan kontekstual yang kolaboratif efektif dalam memperkuat literasi gizi anak usia dini serta membangun keterlibatan keluarga dalam pendidikan karakter dan kesehatan anak. Pendidikan gizi sejak usia dini berperan penting dalam membentuk kebiasaan makan sehat dan mencegah risiko gizi buruk. Penelitian ini bertujuan untuk mengeksplorasi efektivitas kegiatan market day berbasis makanan lokal sebagai pendekatan edukasi gizi yang kontekstual dan kolaboratif di taman kanak-kanak. Pendekatan yang digunakan adalah studi kasus instrumental dengan metode deskriptif kualitatif yang didukung data kuantitatif deskriptif. Data dikumpulkan melalui observasi partisipatif, wawancara, dokumentasi, dan angket terbuka. Kegiatan dilaksanakan di TK YASPI Balige, melibatkan 20 anak usia 4–6 tahun dan orang tua mereka yang berkolaborasi menentukan produk makanan sehat berbasis umbi-umbian, biji-bijian, dan buah-buahan. Diskusi dilakukan melalui grup WhatsApp kelas, dan anak-anak berpartisipasi langsung sebagai penjual dan pembeli. Hasil menunjukkan 100% anak terlibat aktif, 90% memilih makanan sehat, dan 85% orang tua melaporkan peningkatan pemahaman gizi keluarga. Penelitian ini menawarkan kontribusi konseptual berupa model “Market Day Gizi Berbasis Keluarga”, yang mengintegrasikan pembelajaran berbasis pengalaman, partisipasi digital orang tua, dan edukasi gizi lokal. Temuan ini menunjukkan bahwa pendekatan kontekstual yang kolaboratif efektif dalam memperkuat literasi gizi anak usia dini serta membangun keterlibatan keluarga dalam pendidikan karakter dan kesehatan anak.

Educational strategies for future engineers: understanding nano-adsorbents in carbon capture and storage technologies Arianti, Santi Febri
JPPI (Jurnal Penelitian Pendidikan Indonesia) Vol 11, No 2 (2025): JPPI (Jurnal Penelitian Pendidikan Indonesia)
Publisher : Indonesian Institute for Counseling, Education and Theraphy (IICET)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29210/020254833

Climate change and increasing carbon dioxide (CO₂) emissions demand technological innovations that can support effective climate change mitigation. One of the rapidly growing solutions is the use of nano-adsorbents in carbon capture and storage (CCS) technology, which is able to improve CO₂ absorption efficiency through high surface area and adjustable porosity. However, although the effectiveness of this technology has been proven in various studies, its integration in engineering education is still limited, so aspiring engineers lack sufficient understanding and skills in implementing this solution in the industrial world. This research aims to develop a systematic educational strategy to integrate nano-adsorbent learning in the engineering curriculum, by emphasizing an experiential approach and industry collaboration. The study used a blended method, which combined qualitative insights from interviews and focus groups with quantitative data from surveys of students and engineering faculty. The results showed that 68% of students did not get adequate exposure to nano-adsorbent technology, while 84% of respondents supported the addition of related materials in the engineering curriculum. In addition, only 35% of students have direct experience with this technology through labs or industrial internships, indicating the need for reform in the engineering learning system. As a contribution to the academic literature, this research provides an innovative educational model that combines nano-technology with sustainability-based engineering learning strategies. By proposing curriculum reforms, improved laboratory access, as well as partnerships with the CCS industry, the research not only provides concrete solutions for academia but also contributes to strengthening the skills of future engineers in low-carbon technologies. The implementation of this model is expected to increase the readiness of engineering graduates to support the transition to a more environmentally friendly industry and accelerate climate change mitigation through more effective CCS technology.

The role of neuroscience in enhancing chemistry concept understanding through brain-based learning approaches Sofiyanita, Sofiyanita; Arianti, Santi Febri
Jurnal Konseling dan Pendidikan Vol. 13 No. 3 (2025): JKP
Publisher : Indonesian Institute for Counseling, Education and Therapy (IICET)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29210/1163900

Understanding chemistry concepts remains a major challenge for students due to the abstract and complex nature of the subject. This literature-based qualitative study explores how neuroscience, particularly Brain-Based Learning (BBL) strategies, can enhance conceptual understanding in chemistry education. Neuroscience reveals how the brain processes, stores, and recalls information, offering a biological foundation for designing effective learning environments. The aim of this study is to analyze the impact of neuroscience-integrated approaches—especially brain-based teaching methods—on students' cognitive engagement, memory retention, and problem-solving abilities in chemistry. This study utilized a systematic literature review approach, analyzing 10 recent scholarly articles (2019–2025) from trusted academic databases. The data collection involved documentation of sources that discussed the role of neuroscience in education, brain-based learning, and chemistry pedagogy. The data were analyzed using conte nt analysis, with themes such as emotional engagement, multisensory instruction, and prefrontal cortex activation. The results show that neuroscience-based strategies, particularly BBL, positively affect students’ motivation, retention of abstract chemistry concepts, and their ability to apply knowledge to problem-solving. Key findings highlight how emotional connection, active learning, and visual simulations help students form deeper and longer-lasting conceptual understanding. The study concludes that neuroscience offers both a theoretical and practical framework for transforming chemistry education into a more personalized, brain-friendly experience.

Educational strategies for future engineers: understanding nano-adsorbents in carbon capture and storage technologies Arianti, Santi Febri
JPPI (Jurnal Penelitian Pendidikan Indonesia) Vol. 11 No. 2 (2025): JPPI (Jurnal Penelitian Pendidikan Indonesia)
Publisher : Indonesian Institute for Counseling, Education and Theraphy (IICET)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29210/020254833

Climate change and increasing carbon dioxide (CO₂) emissions demand technological innovations that can support effective climate change mitigation. One of the rapidly growing solutions is the use of nano-adsorbents in carbon capture and storage (CCS) technology, which is able to improve CO₂ absorption efficiency through high surface area and adjustable porosity. However, although the effectiveness of this technology has been proven in various studies, its integration in engineering education is still limited, so aspiring engineers lack sufficient understanding and skills in implementing this solution in the industrial world. This research aims to develop a systematic educational strategy to integrate nano-adsorbent learning in the engineering curriculum, by emphasizing an experiential approach and industry collaboration. The study used a blended method, which combined qualitative insights from interviews and focus groups with quantitative data from surveys of students and engineering faculty. The results showed that 68% of students did not get adequate exposure to nano-adsorbent technology, while 84% of respondents supported the addition of related materials in the engineering curriculum. In addition, only 35% of students have direct experience with this technology through labs or industrial internships, indicating the need for reform in the engineering learning system. As a contribution to the academic literature, this research provides an innovative educational model that combines nano-technology with sustainability-based engineering learning strategies. By proposing curriculum reforms, improved laboratory access, as well as partnerships with the CCS industry, the research not only provides concrete solutions for academia but also contributes to strengthening the skills of future engineers in low-carbon technologies. The implementation of this model is expected to increase the readiness of engineering graduates to support the transition to a more environmentally friendly industry and accelerate climate change mitigation through more effective CCS technology.

Internalisasi Profesionalisme, K3L, dan Etika Profesi Insinyur melalui Alih Praktik Baik Mahasiswa Indonesia dan Jepang Arianti, Santi Febri; Selfia, Yeni; Haifan, Mohamad
Lebah Vol. 19 No. 3 (2026): January: Pengabdian
Publisher : IHSA Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/lebah.v19i3.517

Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan pemahaman dan internalisasi nilai profesionalisme, keselamatan dan kesehatan kerja serta lingkungan (K3L), dan etika profesi insinyur pada mahasiswa teknik di Indonesia melalui alih praktik lintas budaya dari Jepang. Metode yang digunakan adalah pendekatan deskriptif-kualitatif dengan dukungan analisis kuantitatif sederhana, yang dilaksanakan melalui wawancara terstruktur dengan mahasiswa Indonesia yang menempuh studi di Gifu University, Jepang, analisis tematik pengalaman profesional, serta diseminasi hasil kepada mahasiswa teknik di Indonesia melalui diskusi reflektif. Hasil kegiatan menunjukkan adanya peningkatan pemahaman mahasiswa pada seluruh aspek yang dinilai, dengan perubahan dari kategori sedang pada tahap pra-diseminasi menjadi kategori tinggi pada tahap pasca-diseminasi. Secara kualitatif, mahasiswa menunjukkan peningkatan kesadaran terhadap pentingnya budaya keselamatan, refleksi etis dalam pengambilan keputusan, serta pemahaman kontekstual mengenai praktik profesionalisme yang dapat diadaptasi di Indonesia. Kegiatan ini membuktikan bahwa pendekatan pengabdian berbasis pengalaman nyata dan refleksi lintas budaya efektif dalam memperkuat pembelajaran etika profesi dan K3L secara aplikatif. Dengan demikian, pengabdian ini berkontribusi dalam pembentukan karakter calon insinyur yang beretika, mandiri, dan berorientasi pada keselamatan serta keberlanjutan

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