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All Journal Madani: Multidisciplinary Scientific Journal Jurnal Pendidikan MIPA
Valio, Farah Amara
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Studi Perbandingan Kualitas Minyak Goreng Berdasarkan Viskositas dan Kandungan Asam Lemak Jenuh Minyak Goreng Amalia, Annisa Nurul; Valio, Farah Amara; Haq, Hilwa Syamila; Kusumah, Fuji Hernawati
Madani: Jurnal Ilmiah Multidisiplin Vol 2, No 7 (2024): Madani, Vol 2. No. 7, 2024
Publisher : Penerbit Yayasan Daarul Huda Kruengmane

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.12724126

Abstract

Minyak goreng memiliki kandungan utama yaitu asam lemak, asam lemak memiliki dua jenis yaitu asam lemak jenuh dan asam lemak tak jenuh. Asam lemak yang terkandung dalam minyak inilah yang menentukan kualitasnya. Namun, kebanyakan minyak goreng yang dikonsumsi masyarakat tidak memiliki kualitas yang baik. Penelitian ini menggunakan metode eksperimen yaitu melakukan pengambilan data dengan membandingkan dua merek minyak goreng. Penelitian ini bertujuan untuk membandingkan viskositas dan kandungan asam lemak jenuh pada minyak goreng dengan merek berbeda guna mengetahui minyak goreng dengan kualitas lebih baik. Berdasarkan penelitian yang dilakukan, viskositas minyak goreng Rizky lebih kecil, yaitu sebesar 0,15 Ns/m², sedangkan viskositas minyak goreng Bimoli sebesar 0,246 Ns/m². Adapun kadar lemak jenuh minyak goreng Rizky cenderung lebih besar yaitu 42 gram, sedangkan kadar lemak jenuh minyak goreng Bimoli yaitu 37 gram. Viskositas relatif lurus dengan kualitas minyak dan relatif terbalik dengan asam lemak jenuh. Dengan demikian, dapat disimpulkan bahwa minyak goreng Bimoli lebih baik kualitasnya daripada minyak goreng Rizky. 
Development of a Science Literacy Test for Junior High School Students Based on the PISA 2025 Framework Valio, Farah Amara; Safira, Ledya; Aulliyah, Uunwanah Agustin; Suwarna, Iwan Permana
Jurnal Pendidikan MIPA Vol 26, No 3 (2025): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpmipa.v26i3.pp1377-1405

Abstract

This study aims to develop a valid, reliable, and practical science literacy test instrument based on the PISA 2025 framework as a tool for assessing the science literacy abilities of junior high school students in a contextual and in-depth manner. The issue of low science literacy in Indonesia, where 53.60% of students are in the very low category, highlights the urgency of providing an evaluation instrument that can comprehensively represent scientific thinking abilities. This achievement is closely related to the lack of student training using international assessment-based testing instruments such as PISA during the learning process. The research method used was Research and Development (R&D) with a 4-D development model (Define, Design, Development, Dissemination). The instrument was developed based on four dimensions of science literacy (competence, context, knowledge, and cognitive level) within the PISA 2025 framework and covers topics in the science subject, namely electricity, waves, and magnetism. Content validation was conducted by content, instrument, and language experts, while empirical testing was carried out to evaluate the quality of the test items. The research results showed that the instrument had high content validity (CVI = 0.93; CVR = 0.8–1). The average validity of each item reached 0.60. The instrument showed good consistency in terms of reliability, as indicated by the Omega McDonald coefficient of 0.79 for the combination of essay and complex multiple-choice questions, and the Cronbach’s Alpha value of 0.68 for multiple-choice questions analysed separately. Most items were categorized as moderately difficult (72.73%) and had good discriminative power (63.63%). Additionally, the practicality value of 78.85% indicates that the instrument is easy to use in an educational context. Therefore, this instrument is suitable for use as a science literacy assessment tool aligned with the PISA 2025 framework and supports the development of higher-order thinking skills in national assessments.    Keywords: science literacy, instruments, assessment, PISA.
Co-Authors Amalia, Annisa Nurul Aulliyah, Uunwanah Agustin Fuji Hernawati Kusumah Haq, Hilwa Syamila Iwan Permana Suwarna Safira, Ledya