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All Journal Journal of Environment and Sustainability Education Jurnal Penelitian Pendidikan
Nihayah, Umi Husnun
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Chemistry Education Environmental Science Physics Other

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Development of a Science Process Skills (SPS) test for assessing environmental chemistry concept: Salt hydrolysis in grade XI Sari, Eka Puspita Kartika; Muntholib, Muntholib; Nihayah, Umi Husnun
Journal of Environment and Sustainability Education Vol. 3 No. 3 (2025)
Publisher : Education and Development Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62672/joease.v3i3.117

Abstract

Science process skills (SPS) are fundamental to inquiry-based science learning and important for linking chemistry concepts with environmental issues. However, valid instruments to assess SPS in specific topics, such as salt hydrolysis, are still limited. This study aimed to develop and validate a multiple-choice test to evaluate eleventh-grade students’ SPS in the context of salt hydrolysis, emphasizing environmental chemistry applications. A research and development (R&D) design with five stages was employed: literature review, item development, expert validation, pilot testing, and finalization. Four chemistry education specialists provided expert judgment, and a pilot study was conducted with 150 eleventh-grade students from five high schools. Item validity, difficulty, discrimination index, and reliability were analyzed. The final test contained 28 items with a high content validity index (CVI = 0.90). Item analysis indicated two easy, 25 medium, and one difficult item. Discrimination indices classified five items as very good, 20 good, two sufficient, and one poor. All items were empirically valid, and the reliability coefficient (Cronbach’s alpha = 0.891) demonstrated strong internal consistency. Compared with similar SPS instruments, this test integrated authentic environmental contexts, such as the impact of salt hydrolysis on water pH, thereby enhancing ecological validity. The instrument provides teachers with a reliable diagnostic tool to identify students’ strengths and weaknesses in SPS. Beyond assessment, the instrument supports formative and summative evaluations, integrates environmental issues into chemistry learning, and serves as a reference for developing similar instruments in other science domains.
Development of a Science Process Skills (SPS) test for assessing environmental chemistry concept: Salt hydrolysis in grade XI Sari, Eka Puspita Kartika; Muntholib, Muntholib; Nihayah, Umi Husnun
Journal of Environment and Sustainability Education Vol. 3 No. 3 (2025)
Publisher : Education and Development Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62672/joease.v3i3.117

Abstract

Science process skills (SPS) are fundamental to inquiry-based science learning and important for linking chemistry concepts with environmental issues. However, valid instruments to assess SPS in specific topics, such as salt hydrolysis, are still limited. This study aimed to develop and validate a multiple-choice test to evaluate eleventh-grade students’ SPS in the context of salt hydrolysis, emphasizing environmental chemistry applications. A research and development (R&D) design with five stages was employed: literature review, item development, expert validation, pilot testing, and finalization. Four chemistry education specialists provided expert judgment, and a pilot study was conducted with 150 eleventh-grade students from five high schools. Item validity, difficulty, discrimination index, and reliability were analyzed. The final test contained 28 items with a high content validity index (CVI = 0.90). Item analysis indicated two easy, 25 medium, and one difficult item. Discrimination indices classified five items as very good, 20 good, two sufficient, and one poor. All items were empirically valid, and the reliability coefficient (Cronbach’s alpha = 0.891) demonstrated strong internal consistency. Compared with similar SPS instruments, this test integrated authentic environmental contexts, such as the impact of salt hydrolysis on water pH, thereby enhancing ecological validity. The instrument provides teachers with a reliable diagnostic tool to identify students’ strengths and weaknesses in SPS. Beyond assessment, the instrument supports formative and summative evaluations, integrates environmental issues into chemistry learning, and serves as a reference for developing similar instruments in other science domains.
Implementation of Learning Plans Sharing and Jumping Tasks on Nominating Material for Inorganic Chemical Compounds to Grow Critical Thinking Skills Eni Purwanti; Supriatna, Asep; Hendayana, Sumar; Nihayah, Umi Husnun
Jurnal Penelitian Pendidikan Vol. 41 No. 1 (2024): April 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/p2ja0w44

Abstract

This research aims to design and implement sharing and jumping task learning on inorganic compound nomenclature material to foster critical thinking skills. The applied didactical design research (Didactical Design Research) consists of 3 stages, namely: Didactical situation analysis before learning in the form of hypothetical didactical design including Didactical Pedagogical Anticipation (ADP), Metapedadidactical Analysis, and Retrospective Analysis after learning. The research subjects were 28 class X high school students. The research results found that: (1) The sharing and jumping task learning design on the nomenclature of inorganic compounds is quite effective in developing students' critical thinking skills. (2) Based on transcript analysis, most students can develop critical thinking skills, especially asking and answering clarifying/challenging questions. However, students have difficulty developing critical thinking skills in making and assessing valuable assessments. The sharing and jumping task learning design developed can be used as an alternative design in the nomenclature of inorganic compounds.
Co-Authors Asep Supriatna, Asep Eni Purwanti Mr Sumar Hendayana Muntholib Sari, Eka Puspita Kartika