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Pengembangan Poster sebagai Media Nudging untuk Mengurangi Sisa Makanan pada Remaja di Sekolah Asrama: Development of Posters as Nudging Media for Reducing Food Waste among Teenagers in Boarding Schools Yunianto, Andi Eka; Riyadi, Hadi; Khomsan, Ali; Baliwati, Yayuk Farida
Amerta Nutrition Vol. 10 No. 1 (2026): AMERTA NUTRITION (Bilingual Edition)
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/amnt.v10i1.2026.60-71

Abstract

Background: Young people, especially at boarding schools, generate a large amount of food waste that may be addressed through targeted and persuasive education strategies based on context. Objectives: This study aimed to develop and evaluate nudging posters to reduce food waste behavior among adolescents. Methods: A descriptive design was used to assess the validity and reliability of four posters. Three expert panelists provided feedback to the researchers to determine the validity of the posters' content. To assess poster reliability, 60 adolescents rated the posters using a Likert scale. Data were analyzed in Excel for Aiken's V analysis and in SPSS version 25 for Spearman’s correlation and Cronbach's alpha (CCA). Results: According to the validity test, Posters 2 and 4 had the highest Aiken’s V value (0.889) for color harmony, layout, and content flow. The most valid components were the contextually appropriate and scientifically accurate content. The least valid components were the completeness of content and how well the message was emphasized (Aiken’s V=0.444 to 0.666). Language was generally the weakest component, but its validity improved when using a style that matched adolescent characteristics. Reliability analysis confirmed that the evaluation instruments were valid and reliable. Posters 1, 2, and 4 showed significant item correlations (p-value<0.05) with Cronbach’s Alpha of 0.983, indicating excellent internal consistency. Poster 3 contained one invalid item, though this did not affect overall reliability. Conclusions: The study concluded that the developed posters are valid and reliable as a form of nudging media. They demonstrate potential as effective educational tools to influence teenagers’ behavior and reduce food waste in boarding school settings.
Efektivitas Edukasi Food Waste, Makan Bergizi Gratis, dan Gizi Seimbang terhadap Peningkatan Pengetahuan Guru, Siswa, dan Orang Tua Siswa di SDN 5 Banjarsari Dina, Resa Ana; Heryatno, Yayat; Tanziha, Ikeu; Baliwati, Yayuk Farida; Sukandar, Dadang; Islamy, Bellinda Almira Noer; Mahira, Hafshah Ayna; Fadhhla, Syahira; Azzahro, Haura; Raihani, Mutiara; Sopiandi, Isvie Tresna; Sabrilla, Talitha Nasywa
Abdimas Galuh Vol 8, No 1 (2026): Maret 2026
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/ag.v8i1.21745

Abstract

Food waste merupakan sisa makanan yang masih layak dikonsumsi, namun dibuang di tahap konsumsi yang disebabkan oleh perilaku individu, preferensi konsumen, dan sistem distribusi yang tidak efisien. Dampak food waste di Indonesia terasa sangat luas hingga menyentuh aspek ekonomi, lingkungan, sosial, hingga gizi masyarakat. Food waste umumnya dapat menyebabkan terjadinya nutrient loss sehingga dapat meningkatkan permasalahan gizi pada anak. Fenomena food waste dapat ditemukan pada program Makan Bergizi Gratis (MBG), dimana sayur dan buah merupakan kelompok makanan yang sering tidak dihabiskan. Berdasarkan permasalahan tersebut, dilaksanakan kegiatan edukasi terkait food waste, makan bergizi gratis, pentingnya konsumsi sayur dan buah, pemorsian, hingga gizi seimbang. Edukasi dilaksanakan di SDN 5 Banjarsari dan melibatkan 30 siswa, 10 guru, dan 30 orang tua siswa sebagai subjek. Edukasi dilaksanakan dengan menerapkan metode ceramah dan diskusi dengan menggunakan media power point, modul pembelajaran, poster, hingga video edukatif. Dilaksanakan edukasi berupa games interaktif untuk meningkatkan pemahaman siswa. Setiap subjek diberikan pre-test dan post-test untuk mengukur efektivitas edukasi terhadap peningkatan pengetahuan. Secara keseluruhan, terdapat perbedaan yang signifikan antara tingkat pengetahuan sebelum dan sesudah edukasi pada siswa (p<0,001) serta orang tua siswa (p<0,001). Diperlukan adanya pengawasan terhadap penerapan edukasi serta penilaian lebih lanjut untuk mengetahui perubahan sikap dan perilaku dari subjek penelitian sebelum dan sesudah diberikan edukasi. 
Co-Authors 'Arifah, Dzakiyyatul Fikrah Agung Hendriadi Agung Hendriadi, Agung Alfira, Jihan Ali Khomsan Amadewi, Woro Rachtiyah Amirian Amirian Anang Suhardianto Anik Dwi Oktaviani ANITA CHRISTINA SEMBIRING Anna Vipta Resti Mauludyani Argasepta Armadhani Arief Daryanto Arnati Wulansari Ashari, Chica Riska Azzahro, Haura Budi Setiawan Bunga Ch Rosha Cesilia M Dwiriani Chica Riska Ashari Dadang Sukandar Dena Afilia Eka Candra Maulidia Dewi Uswatun Khasanah Dian Hani Ulfani Dinah Nur Ramadhan Dodik Briawan Drajat Mardiana Drajat Martianto Elisabet Bre Boli Eliz Khalishah Emi Nur Cholidah Ernan Rustiadi Esty Asriyana Suryana Esty Asriyana Suryana Fadhhla, Syahira Frema Apdita Girsang, Ruth Helena Hadi Riyadi Hadi Riyadi Hardinsyah Harna, Harna Hidayat Syarief Hidayat Syarief Hidayatush Sholihin Ikeu Tanziha Indra Gunawan Iqbal Mahendra Saputra Islamy, Bellinda Almira Noer Jihan Alfira Jimmy Manesa Kelana Indah Susilawati Khursatul Munibah Khusnul Khasanah Laely, Putri Nur Laili, Nur Ahzaini Lilik Kustiyah Lybaws, Lesda Mahira, Hafshah Ayna Mike Tihas Nida Netta M. Putri Novi Salasa Okky Ayu Permata Pradnyana, I Made Putra Pradnyani Laksmi, Komang Dwi Pudji Muljono Putri Nur Fatimah Putri, Rizkansa Insyira Rachmalinda, Veny Rachmalinda, Veny Rafnel Azhari Rahmatulloh Ramadani Raihani, Mutiara Randani, Aldiza Intan Resa Ana Dina Rian Diana Rian Diana Rimadianti, Dini Maharani Arum Risaldo Ramadhan Dwi Putra Rita Nurmalina Riyadi, Hadi Rusyda, Akifa Laila Sa'pang, Mertien Sabrilla, Talitha Nasywa Sinaga, Sahdan Muizzu Maulana Siti Madanijah Siti Syamsiah Sopiandi, Isvie Tresna Sri Apriwani Suci Apriani Sumarlin Sumarlin Surjono Hadi Sutjahjo Suryana, Esty Asriyana Syafruddini Syafruddini ; Tabrani Mahfi Teguh Jati Prasetyo Titania Aulia Tri Budiarto Ummi Khuzaimah Vitria Melani, Vitria Wayan Wardana Winada Almaluna Yayat Heryatno Yudhistira Prasasta Yulmiaris Dwi Okto Putri Yunianto, Andi Eka Yunita Syafitri Zenderi Wardani