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All Journal Momentum: Physics Education Journal Jurnal Pemberdayaan Masyarakat
Yusrizal Yusrizal
Universitas Syiah Kuala, Indonesia
Physics Social Sciences

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PBL-Based Online Worksheet on Green Chemistry to Enhance Students’ Literacy and Numeracy Skills Titi Sumanti; Abdul Gani; Yusrizal Yusrizal; Ibnu Khaldun; Sri Winarni; Putri Nabilah
Jurnal Pemberdayaan Masyarakat Vol 4, No 2 (2025)
Publisher : Yayasan Keluarga Guru Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46843/jpm.v4i2.487

Abstract

The limited availability of digital learning tools that effectively integrate green chemistry concepts while enhancing scientific literacy and numeracy presents a challenge in science education. Chemistry learning that integrates environmental issues, particularly the concept of green chemistry, requires contextual and innovative teaching materials to support the enhancement of students' scientific literacy and numeracy skills. This study aimed to develop a problem-based learning (PBL) online student worksheet on green chemistry to enhance students' scientific literacy and numeracy. The research employed a research and development (RD) approach using the ADDIE model and involved 24 randomly selected students from SMA Negeri 4 Lhokseumawe. Data were collected using expert validation sheets, student response questionnaires, and pre- and post-test instruments. The validation results indicated that the online worksheet was highly feasible (media: 96.88%, content: 96.39%, Aiken's V = 0.95). User responses were very positive (82.42%), and the questionnaire instruments demonstrated high validity (Aiken's V = 0.97). The N-Gain scores revealed moderate improvement in both scientific literacy (0.6061) and numeracy (0.6106), reflecting strengthened critical thinking, data interpretation, and problem-solving skills. This study contributes by providing a replicable model of an online worksheet that integrates environmental issues into chemistry learning, enriches digital learning resources, and supports the mastery of 21st-century competencies in science education. Therefore, the development of this PBL-based online student worksheet is considered feasible, practical, and effective in enhancing students' scientific literacy and numeracy skills.
Analysis of learning styles in terms of knowledge, skills and attitudes Abdul Halim; Adinda Wirda; Yusrizal Yusrizal
Momentum: Physics Education Journal Vol. 6 No. 2 (2022)
Publisher : Universitas PGRI Kanjuruhan Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21067/mpej.v6i2.6581

Abstract

The purpose of this study is to determine the domains of knowledge, skills and attitudes of students which are dominantly influenced by learning styles. The approach used is quantitative research with a correlation method in the form of a survey on 71 high school students in the Aceh Tengah area. The data collection instrument used a questionnaire for learning style data and documentation study for student learning outcomes data. The results of data analysis using descriptive and inferential statistics show that there is a significant relationship between learning styles and knowledge, skills and attitudes with an average contribution of 17.67%, 14.77% and 72.4% respectively. Based on the types of learning styles selected in this study, the visual learning style is more highly related to students' knowledge, skills and attitudes. The conclusion from the results of this study is that teachers as educators need to know and understand the characteristics of each student's learning style, so as to be able to place students in the right position during the learning process.
Co-Authors Abdul Halim Adinda Wirda Gani, Abdul Ibnu Khaldun Putri Nabilah Sri Winarni Titi Sumanti