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Pengelolaan Sampah Organik Rumah Tangga Dengan Teknik “Octaco” Pada Kelompok PKK RW.05 Cipadung Kidul Kota Bandung Muharram, Luthfia Hastiani; Pertiwi, Wulan; Marlida, Siti; Wafa, Wafa; Nursafitri, Siti; Rachman, Indriyani; Matsumoto, Toru
Jurnal SOLMA Vol. 13 No. 3 (2024)
Publisher : Universitas Muhammadiyah Prof. DR. Hamka (UHAMKA Press)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/solma.v13i3.16400

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Background: Mengompos dapat diandalkan sebagai teknik mengolah sampah organik skala rumah, namun dalam praktiknya masih banyak kendala yang dihadapi. Perlu adanya inovasi teknik mengompos sehingga mudah dipraktikkan secara berkesinambungan oleh masyarakat. Pengurus PKK dapat menjadi penggerak dan percontohan dalam pengelolaan sampah rumah tangga. Salah satu inovasi mengompos yang sedang dikembangkan adalah Octaco (Octagonal Composter). Octaco merupakan inovasi teknik pengomposan sampah organik yang mudah dilakukan pada skala rumah tangga di perkotaan. Program pengabdian masyarakat ini bertujuan untuk meningkatkan keterampilan warga dalam mengelola sampah organik rumah tangga dengan pengomposan dengan teknik Octaco sehingga dapat mengurangi timbulan sampah. Metode: Metode program ini meliputi sosialisasi program dan Focus Group Discussion (FGD), pelatihan TOT (Training for Trainer) mengompos dengan teknik Octaco, dan pendampingan mengompos pada pengurus PKK RW 05 Cipadung yang berjumlah 16 orang. Pengabdian ini dilakukan selama bulan Juni - September 2024. Hasil: Hasil dari program pengabdian ini adalah sebanyak 100% peserta (16 orang pengurus PKK) telah berhasil melakukan pengomposan sampah organik rumah tangga dan memanfaatkan pupuk kompos untuk berkebun di rumah maupun di kebun komunitas, serta menggunakan kembali kompos untuk mengompos. Pengurus PKK yang sudah terlatih menjadi pelatih dan mendampingi warga lainnya dalam mengompos di rumah sehingga diharapkan semua warga dapat mengelola sampah organik secara mandiri dari rumah. Kesimpulan: Inovasi Octaco dapat direkomendasikan sebagai teknik mengompos yang mudah dilakukan pada skala rumah tangga. Keberhasilan mengompos yang berkesinambungan perlu berkolaborasi dengan komunitas setempat.
Learning Innovation: PBL-STEM 4H Ecobrick material Teaching for 7th Graders to Enhance Ecoliteracy Hapipah, Hepi; Rubini*, Bibin; Permanasari, Anna; Kodama, Yayoi; Rachman, Indriyani
Jurnal Pendidikan Sains Indonesia Vol 12, No 4 (2024): OCTOBER 2024
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jpsi.v12i4.40691

Abstract

Teaching materials that accommodate innovative learning to improve environmental literacy are currently essential. Development research has been conducted to develop and examine the effectiveness of ecobrick theme teaching materials in improving student ecoliteracy. The teaching materials are packaged with the PBL-STEM 4H model (project based learning- science, technology, engineering, and mathematics - head, heart, hand, and harmony). The research employs research and development method and ADDIE design (analysis, design, development, implementation, and evaluation). This research uses interview guidelines, observation questionnaire sheets, and environmental literacy instruments as research instruments. In the development stage, this research employs several science teachers in the Sukabumi Regency, as determined by purposive sampling. In the implementation stage, 7th-grade students of one secondary school in West Java were tested to evaluate the effectiveness of the teaching materials in improving eco-literacy. Teaching materials were developed using PBL-STEM learning steps characterized by 4H values. The teaching materials' validation results show high validity with a feasibility score of 87.2, including a very valid category. The CVI (content validity index) and CVR (content validity ratio) indexes of 0.995 and 0.990 are included in the valid category. Teacher response to teaching materials reaches 90.05, including the outstanding category. The implementation results show that using the developed teaching materials during learning can improve student eco-literacy.
FOOD IMPULSIVE BUYING AND PERSONAL NORMS AS PREDICTORS ON FOOD-WASTING BEHAVIOR IN ADOLESCENTS IN MAKASSAR CITY, INDONESIA Radde, Hasniar Ambo; Indriyani Rachman; Toru Matsumoto
SAMPURASUN Vol 10 No 2 (2024): Sampurasun Vol. 10 No. 2 - 2024
Publisher : Lembaga Penelitian Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/sampurasun.v10i2.12028

Abstract

Food-wasting behavior can occur when someone does not finish the food they have taken. It can also be seen in purchasing or taking more food than they can consume. Food-impulsive behavior and personal norms are assumed to predict food-wasting behavior, and this study aims to prove this assumption. Personal norms reflect an individual's personal value system in specific situations that can influence specific behaviors, while food impulsive behavior refers to consumers' tendency to buy impulsively, without reflection, immediately, and impulsively. This research was conducted in Makassar City on 150 adolescents aged 12 to 19 years old, and the data were analyzed using multiple linear regression. This study provides three findings. First, food-impulsive behavior and personal norms together can predict food wasting by 32.5% (p=0.000; p<0.05). Second, food-impulsive behavior positively predicts food-wasting behavior by 11% (p=0.000; p<0.05), indicating that the higher someone's food-impulsive behavior, the higher their food-wasting behavior. Third, personal norms can negatively predict food-wasting behavior by 21.5% (p=0.000; p<0.05), indicating that the higher someone's personal norms, the lower their food-wasting behavior.
Youth perspectives on marine debris management through a community empowerment approach: A case study of a student workshop and its environmental impact Rachman, Indriyani; Matsumoto, Toru
Interaction, Community Engagement, and Social Environment Vol. 2 No. 2: (January) 2025
Publisher : Institute for Advanced Science Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/icese.v2i2.2025.1280

Abstract

inadequate ventilation system can increase the risk of sick building syndrome symptoms. This study aims to analyze the most significant risk factors with symptoms of sick building syndrome in workers at PT X. Methods: The study used a cross-sectional study design, and the data was processed with the chi-square test and multiple logistic regression tests with a sample of all production area workers at PT X. A total of 91 workers included in this study. Carbon monoxide, temperature, humidity, PM10 and formaldehyde were measured using a particle counter and wind speed was measured using an anemometer. Measurements were taken at 17 different points. Findings: The results showed that 85 out of 91 workers (93.4%) experienced symptoms of sick building syndrome. There is a relationship between temperature (p-value=0.013) and wind speed (p-value=0.031) symptoms of sick building syndrome. The most dominant variable is the formaldehyde (POR=0.457). Conclusion: It is concluded that the variables associated with symptoms of sick building syndrome are temperature and wind speed, with formaldehyde being the most dominant. The company is advised to monitor indoor air quality regularly and improve the ventilation system at the production area. Novelty/Originality of this Study: This study provides valuable insights into the relationship between environmental factors such as temperature, wind speed, and formaldehyde with sick building syndrome symptoms in a production environment, highlighting the need for regular indoor air quality monitoring and improved ventilation systems to safeguard worker health.
ANALYZING THE NEEDS OF TEACHING AND LEARNING CONTENT LOW CARBON EDUCATION AT JUNIOR HIGH SCHOOL IN INDONESIA Rahayu, Mutia Sri; Rachman, Indriyani; Permanasari, Anna
EDUSAINS Vol 17, No 1 (2025): EDUSAINS
Publisher : Faculty of Education and Teacher Training, UIN (State Islamic University) Syarif Hidayatul

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/es.v17i1.44359

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This study aims to identify the needs in the development of teaching materials on low carbon education, which is still rarely delivered at the VII grade secondary school level. This research uses the Mix Method. Quantitative data collection with a total of 100 respondents located in Bogor regency in the 2024/2025 academic year using assessment questions on the level of knowledge, low carbon competencies, and environmental care attitude questionnaire. Meanwhile, qualitative data were generated from observations of climate resilience based on the geographical location of the education unit. The results of this study show that students still need improvement in knowledge, low carbon competency, and environmental care attitude. The climate resilience analysis shows that the school conditions have the potential to implement learning that raises environmental issues to be used as topics in learning, and the use of social media. Therefore, the need for the development of teaching materials includes learning that contains videos or images, case studies with local issues, accompanied by group assignments that integrate social media as a medium for campaigns to protect the environment, so that it accommodates learning that forms an attitude of environmental care.
POTENSI DAN TANTANGAN PENGOMPOSAN KOMUNITAS DI RUMAH SUSUN SEWA MAKASSAR Anggraini, Nani; Akrim, Djusdil; Muis, Ramdiana; Al Fariz, Reza Dharma; Tawakkal, Irfan; Rachman, Indriyani; Matsumoto, Toru
JEBE: Journal of Environment Behavior and Engineering Vol. 3 No. 1 (2025): Journal of Environmental Behavior and Engineering
Publisher : Program Studi Teknik Lingkungan Universitas Bosowa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56326/jebe.v3i1.6260

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This study investigates the implementation of community-based composting technology in low-cost rental apartments (Rusunawa) in Makassar City, Indonesia, as a solution for organic waste management and to enhance environmental awareness. Rusunawa, characterized by its vertical structure and tenant-based system, often faces waste management challenges due to limited space and varying levels of environmental awareness among residents. The study aims to apply composting technology through a community development strategy to address organic waste issues using accessible and affordable methods. A mixed-methods approach was employed, integrating quantitative analysis of compost quality with qualitative assessment of community responses across several stages of outreach: general counseling, floor-by-floor engagement, communal garden cultivation, neighbor-to-neighbor outreach, and media promotion. The results show that household waste from Rusunawa residents can be converted into compost with phosphorus (P) and potassium (K) levels exceeding the Indonesian National Standard (SNI), although nitrogen (N) and carbon (C) levels require improvement. Following the outreach process, more than 50% of residents demonstrated increased environmental awareness and actively participated in composting activities, with media-based and neighbor-to-neighbor outreach proving the most effective. To improve compost quality, extended composting time and nutrient supplementation are recommended. The study advocates for the establishment of community-based organizations to ensure the long-term sustainability and effective management of composting initiatives in Rusunawa.
Empirical Study of Differentiated Learning Using The Moodle Platform on Personalized Informatics Subjects in Vocational High Schools Kusnendar, Jajang; Darmawan, Deni; Rusman, Rusman; Rachman, Indriyani
Journal of Education Technology Vol. 9 No. 1 (2025): February
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jet.v9i1.87205

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Students have diverse learning abilities, however, in its implementation, learning is still found to be based on the teacher's wishes, not based on the students' learning needs. The diversity of students' learning styles is neglected, and teachers have difficulty accommodating it due to limited space and time. Therefore, it is important to implement differentiated learning to improve learning outcomes through personalized learning. This study aims to examine the application of differentiated learning using the Learning Management System (LMS) Moodle, through personalized learning and describe student responses. The method used is descriptive qualitative. Direct interviews with student representatives were conducted to determine responses to differentiated learning. Personalized learning is used by utilizing Moodle features in configuring teaching materials to facilitate student learning preferences which are packaged in three types as a manifestation of content differentiation and configuration in formative and remedial summative tests as a form of process differentiation. The results of the study indicate that: 1) a differentiated learning pattern was found, where each student has a varied learning pattern and preference for the teaching materials provided; 2) process differentiation successfully facilitates students' diverse learning abilities to achieve learning completeness; 3) Students responded positively to differentiated learning based on: typical learning preferences, availability of materials, learning readiness, learning speed, and opportunities to complete learning.
Opportunities and Challenges in Enhancing Students' Science Literacy Aqilah, Siti; Pursitasari*, Indarini Dwi; Permana, Irvan; Ardianto, Didit; Rachman, Indriyani
Jurnal IPA & Pembelajaran IPA Vol 9, No 2 (2025): JUNE 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jipi.v9i2.44946

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Science literacy is a skill that students need to have to face the challenges of the 21st century. One aspect that can improve science literacy is the use of teaching materials. The purpose of the study was to analyze the opportunities and challenges of improving students' science literacy using teaching materials. The research method used was a systematic literature review with a preferred reporting items for systematic reviews and meta-analysis (PRISMA) flowchart. The results showed that opportunities to improve science literacy are done through various ways including the use of teaching materials, in-depth review of books, and the use of technology. However, learning that involves science activities is still few and more conceptual. In addition, the teaching materials used only contain subject matter and examples of problems and solutions, without encouraging students to find learning concepts. The conclusion obtained is that teaching materials that can be used to improve science literacy include comics, multimedia, books, e-modules, worksheets, and mobile-based learning media.
Training of Creating Kamishibai as Disaster Mitigation Education Media for Science Teachers Pursitasari, Indarini Dwi; Jaenudin, Dadang; Suriansyah, Muhammad Iqbal; Rachman, Indriyani; Murae, Fumithosi; Safitri, Embun Khoerunnisa Maya
Jurnal Pemberdayaan Masyarakat Vol 4, No 1 (2025)
Publisher : Yayasan Keluarga Guru Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46843/jpm.v4i1.373

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Sukabumi is one of the areas prone to disasters. However, awareness of disasters among teachers and students is still low. Key issues at MGMP IPA Sukabumi include the need for innovative learning, the competency development of science teachers, interactive learning processes, and a comprehensive disaster mitigation curriculum. Training was conducted to overcome the last problem of developing disaster mitigation learning media. Activities include sending students to the Sakura Exchange Program, pre- and post-questionnaire administration on disaster awareness and risk reduction, mapping, and making Kamishibai at SMPN 1 Cikakak. Data collection using closed and open questionnaires to explore disaster awareness and risk reduction. The collected data were processed descriptively, qualitatively, and quantitatively. This training has succeeded in increasing disaster awareness among teachers and the community. This activity recommends ongoing disaster training and socialization to improve mitigation efforts. A contribution to the world of science education is to integrate disaster mitigation into the curriculum, increase the capacity of teachers as agents of change, strengthen community-based disaster mitigation education, and support the achievement of the SDGs.
Sustainability Literacy on Food Waste Education: A Preliminary Study Rachman, Indriyani; Saldiana, Nur Kamila; Permanasari, Anna
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 2 (2025): July 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i2.610-620

Abstract

Food waste contributes significantly to global greenhouse gas (GHG) emissions and reflects low sustainability awareness, particularly in developing countries such as Indonesia. This study aimed to assess the level of sustainability literacy, comprising knowledge, skills, and values, among vocational high school students in Bogor City within the context of food waste. Using a descriptive quantitative method with 125 respondents, data were collected through a 21-item questionnaire and were analyzed using descriptive statistics. The findings show that while students demonstrated good sustainability skills (76.95%) and values (73.63%), their sustainability knowledge was only fair (57.81%), indicating a cognitive-behavioral gap. Spearman's correlation analysis revealed no significant relationship between sustainability knowledge and skills (ρ = 0.109, p = 0.226), reinforcing the need for holistic and integrative learning interventions. These results underscore the importance of developing interactive, value-driven educational media, such as e-books, to enhance students' environmental literacy and foster sustainable behavior. This preliminary study serves as a foundation for designing contextually relevant educational strategies to support food waste reduction and sustainability education in Indonesia.
Co-Authors Ade Gafar Abdullah, Ade Gafar Ahmad, Eka Fitriani Akrim, Djusdil Al Fariz, Reza Darma Al Fariz, Reza Dharma Anggraini, Nani Anna Permanasari Apprianda, Anggun Aqilah, Siti Aquarini Priyatna Arisona, Risma Dwi Asyifa Imanda Septiana Bibin Rubini Budi Handoyo Cintami, Cincin D Prasetyorini Dadang Jaenudin Dahlia, Karlina Puspa Dedi Abdul Hadi Deni Darmawan Deni Kurniawan, Deni Didit Ardianto Fariz, Reza Darma Al Fauzan, Ridho Fujianti, Lia Nurbanillah Fumitoshi, Murae Ghina Nisrina Ramadhanti Hafizhul Khair Hapipah, Hepi Herta Novianto Hestiningtyas Yuli Pratiwi Hutagalung, Ira Ida Hamidah Iga Yusmaidah Siregar Indarini Dwi Pursitasari Ira Rumiris Hutagalung Ira Rumiris Hutagalung Ira Rumiris Hutagalung Irfan Tawakkal Irvan Permana Karim, Zaid Kharisma, Vicka Kodama Yayoi Kodama, Yayoi Kristanti Diana Malo Kuntarti Suhartini Kurniasih, Surti Kusnendar, Jajang Laksmi Dewi, Laksmi Lestari, Suci Putri Maghfiroh, Meilinda Fitriani Nur Marlida, Siti Matsumoto Toru Matsumoto Toru Matsumoto, Toru Mega Subekti Muarif, Samsul Muhammad Ma‘arij Harfadli Muhammad Nur Hudha Muharram, Luthfia Hastiani Mulyadi, Dadi Munawir Munawir Murae, Fumithosi Murae, Fumitoshi Nasution, Muhammad Islam Nia Komalasari Nurahim, Fitra Nursafitri, Siti Onoda, Hiroshi Pandyaswargo, Andante Hadi Permanasari*, Anna Pertiwi, Wulan Qiyam Maulana Binu Soesanto Radde, Hasniar A. Rahayu, Ida Rahayu, Mutia Sri Ramadhanti, Ghina Nisrina Ramdiana Rika Marlina, Rika Rohmawatiningsih, Wati Rubini*, Bibin Rusman Rusman Safitri, Embun Khoerunnisa Maya Safitri, Tiffany Saldiana, Nur Kamila Santuso, Edy Sattar Sattar, Sattar Sattar Yunus Sianturi, Julinton Siregar, Iga Yusmaidah Siska Mandalia Slamet Raharjo Soesanto, Qiyam Maulana Binu Sugeng Utaya Sugimaru, Chika Suriansyah, Muhammad Iqbal Suriansyah, Muhammad Iqbal Syaban, Mumun Tawakkal, Irfan Toru Matsumoto Toru Matsumoto Toru Matsumoto Toru Matsumoto Utomo, Laksamana Rayhan Wafa, Wafa Warliyah, Heli Wati Rohawatiningsih Wati Rohmawatiningsih Wiwin Wiwin, Wiwin Yayoi Kodama Yayoi, Kodama Yoki Yulizar Yustiani, Yonik Meilawati