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All Journal Jurnal Pendidikan IPA Indonesia Journal of Science Education Research
Arfiani, Y.
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Education Social Sciences

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Determination of Gender Differential Item Functioning in Tegal Students' Scientific Literacy Skills with Integrated Science (SLiSIS) Test Using Rasch Model Susongko, P.; Arfiani, Y.; Kusuma, M.
Jurnal Pendidikan IPA Indonesia Vol 10, No 2 (2021): June 2021
Publisher : Program Studi Pendidikan IPA Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpii.v10i2.26775

Abstract

The emergence of Differential Item Functioning (DIF) indicates an external bias in an item. This study aims to identify items at scientific literacy skills with integrated science (SLiSIS) test that experience DIF based on gender. Moreover, it is analyzed the emergence of DIF, especially related to the test construct measured, and concluded on how far the validity of the SLiSIS test from the construct validity of consequential type. The study was conducted with a quantitative approach by using a survey or non-experimental methods. The samples of this study were the responses of the SLiSIS test taken from 310 eleventh-grade high school students in the science program from SMA 2 and SMA 3 Tegal. The DIF analysis technique used Wald Test with the Rasch model. From the findings, eight items contained DIF in a 95 % level of trust. In 99 % level of trust, three items contained DIF, items 1, 6, and 38 or 7%. The DIF is caused by differences in test-takers ability following the measured construct, so it is not a test bias. Thus, the emergence of DIF on SLiSIS test items does not threaten the construct validity of the consequential type.
Metal Industry Waste at Pesarean Village Tegal Regency: Analysis Impact and Potential as Supplement Science Learning Arfiani, Y.; Rahayuningsih, M.; Marianti, A.; Nugraheni, A. R. E.
Journal of Science Education Research Vol. 8 No. 2 (2024): J. Sc. Edu. Research (Available in August)
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jser.v8i2.73992

Abstract

This research aims to explore the impact of open burning and dumping on the local metal industry, analyze policies and their implementation regarding these practices, and utilize this pollution issue in learning. Using documentation techniques, interviews, literature studies, and secondary data, the study reveals significant environmental impacts, including air, soil, and water pollution, as well as health risks to the community. The findings of this research are that the problem of metal pollution in Pesarean Village can be included as a complement to environmental physics learning on several materials, namely the environment of water, land, air, pollution, and global warming. Two main impacts are identified: open burning releases harmful gases and particulate matter, leading to respiratory illnesses among workers and residents, while open dumping contaminates soil and groundwater, posing risks to human health and the environment. The government of Tegal Regency has implemented relocation and remediation policies to address these issues. However, challenges such as community resistance and resource constraints hinder policy implementation. The study suggests that the case of Pesarean's metal industry could serve as supplementary learning material for Environmental Physics courses at the university level. By integrating this real-world case into the curriculum, students can better understand environmental issues and develop critical thinking skills to propose effective solutions.
Co-Authors Kusuma, M. M. Rahayuningsih Marianti, A. Nugraheni, A. R. E. P. Susongko, P.