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All Journal Jurnal Santiaji Pendidikan (JSP) Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat
Retno Ayu Puspita
Universitas Negeri Jakarta
Agriculture, Biological Sciences & Forestry Education

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ENHANCING CHEMISTRY LEARNING THROUGH A CRITICAL THINKING ASSESSMENT TOOL Tiwi Nur Astuti; Sarina Hanifah; Retno Ayu Puspita; Gusman Santika
Jurnal Santiaji Pendidikan (JSP) Vol. 16 No. 1 (2026): Jurnal Santiaji Pendidikan (JSP)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan (FKIP) Universitas Mahasaraswati Denpasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36733/jsp.v16i1.13303

Abstract

This study aims to develop a critical thinking skills instrument in chemistry learning, especially in chemical bonding material. This instrument was developed in 4 steps, namely determining aspects, compiling indicators, compiling questions, and validation which includes content validation and empirical validation. Content validation was carried out by 2 expert lecturers. The critical thinking skills question instrument was analyzed using Aiken V. The results of the analysis showed that out of 6 questions, all had a validity coefficient value of more than 0.35 and were declared valid. The empirical validation stage involved 275 students. The empirical validation analysis was carried out using the Rasch model. Based on the results of the analysis, 6 fit questions were obtained and had a cronbach's alpha reliability estimate value of 0.82 and were reliable for use in measuring students' critical thinking skills.
Sosialisasi Pembuatan Pestisida Alami untuk Pengendalian Hama Tanaman dalam Mendukung Kehidupan Berkelanjutan di Majalengka Gusman Santika; Retno Ayu Puspita; Sarina Hanifah; Hermawan; Muhammad Raka Faizan; Nazla Sabila; Pramesti Nawang Sari
Agrokreatif: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 12 No. 2 (2026): Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrokreatif.12.2.220-227

Abstract

Majalengka is an agrarian regency in West Java with a high dependence on the agricultural sector; however, its communities have not yet optimally utilized natural materials as alternatives to chemical pesticides, which pose significant risks to the environment and human health. This community service activity aimed to improve the knowledge of Majalengka residents regarding the production and application of natural pesticides derived from soursop leaves (Annona muricata L.) and red onion peel as eco-friendly plant pest control agents. The methods employed included material dissemination, pesticide-making demonstrations, and the distribution of experimental kits and guidebooks to 20 participants from the Rumah Keluarga Indonesia (RKI) women's group affiliated with JSIT Majalengka Regency. Evaluation was conducted using a 10-item questionnaire with a Cronbach's alpha reliability coefficient of 0.913. Results showed an increase in participants' knowledge from an average of 62.92% (low category) before the activity to 86.25% (high category) afterward, with a participant satisfaction rate of 88.75%. The activity concluded that experimental kit-based socialization is effective in enhancing community understanding of natural materials as affordable and eco-friendly botanical pesticides, while also encouraging participants' intention to apply them independently.
Co-Authors Gusman Santika Hermawan Muhammad Raka Faizan Nazla Sabila Pramesti Nawang Sari Sarina Hanifah Tiwi Nur Astuti