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Journal : Jurnal Pijar MIPA

Implementation of Independent Curriculum on Chemistry Learning Outcomes Phase E at Senior High School Jaslin, Syafriffah; Yerimadesi, Yerimadesi
Jurnal Pijar Mipa Vol. 20 No. 2 (2025)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v20i2.8541

Abstract

This research is motivated by the Mid-Semester Summative Assessment (STS) value of chemistry phase E at State Senior High School 2 Sungai Limau of 62.60, and the correlation analysis of the implementation of the Independent Curriculum on the learning outcomes of chemistry phase E at State Senior High School 2 Sungai Limau has not been carried out. This study aims to analyze the correlation between the implementation of the Independent Curriculum and the learning outcomes of chemistry phase E at State Senior High School 2 Sungai Limau. This research is a descriptive correlational study with a mixed-method research design of the concurrent triangulation type. The research instruments used were teacher interviews, teacher teaching module reviews, teacher questionnaires, student questionnaires, and End-of-Semester Summative Assessment (SAS) documents. Data were analyzed using the Spearman Rho correlation test. The correlation coefficient value (r) obtained from the data processing results was 0.339 (positive), and the sig. value was 0.021 < 0.05, so it was in the low category. The determination coefficient value was 11.5%. Meanwhile, the other 88.5% is influenced by other variables not discussed in this study. This means that the implementation of the Independent Curriculum at State Senior High School 2 Sungai Limau has a low and significant positive correlation/relationship with the results of learning chemistry phase E. If the Independent Curriculum is implemented properly, then the results of learning chemistry can increase. The chemistry teaching modules made by teachers have begun to apply the principle of Understanding by Design (UbD). However, the chemistry teaching modules must be completed, especially in the assessment section.
Design of a Chemical Literacy Test Instrument on Atomic Structure Material for Senior High School Students Faizah, Siti; Yerimadesi, Yerimadesi; Yuhelman, Nofri; Iryani, Iryani
Jurnal Pijar Mipa Vol. 21 No. 1 (2026)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v21i1.11447

Abstract

The low level of chemical literacy in Indonesia, reflected in PISA 2022 scores below the average, is driven by the limited use of literacy-based assessments and restricted access to proper evaluation instruments. This study aims to develop and validate a chemical literacy test instrument specifically designed for atomic structure material for Senior high School students, utilizing the Rasch model for rigorous psychometric analysis. Unlike previous studies that often integrate multiple chemistry topics, this research provides a specialized focus exclusively on atomic structure, featuring five contextual narratives and one infographic across seven essay items to capture deep conceptual understanding. This Research and Development (R&D) employed purposive sampling of students at SMA N 7 Padang. Data were analyzed using Content Validity Ratio (CVR) for logical validity and Rasch modelling via Ministep software for empirical validation. The Rasch model was selected over classical test theory to ensure linear measurement of both item difficulty and student ability. SME evaluations confirmed the logical validity of all items. Empirical analysis showed that although some items exhibited higher outfit values, they were retained because of strong point-measure correlations with the measured construct. Item reliability was categorized as good, person reliability as fair, and Cronbach’s alpha was categorized as good. The instrument effectively categorized item difficulty and student discrimination power into three ability levels (high, medium, and low). The resulting seven-item instrument is valid, reliable, and practically feasible for educators to integrate into formative assessments to measure students' chemical literacy in atomic structure.
Co-Authors Abdul Razak Afendi, Silvia Afriandi, Muhammad Aini, Faizah Qurrata Alifa, Zaqiya Zahwa Alizar Amanda, Refni Juwita Andromeda Andromeda Andromeda Andromeda Antika, Rindi APMIYANTI, TIARA Aprelianda, Nola Apriani Sijabat Aprilia Susilo, Resti Ardiansyah, Nofry Arfianti, Fina Ariani, Siti Nurfaizah Asnizar, Asnizar Asrizal Az Zahra, Mentari Bayharti Bayharti Desnita Desy Kurniawati Desyafrianti, Vanny Dewi, Suci Firma Dinalia, Dinalia dion, nofrion Effendi, Novicha Erman, Sylvia Dwi Fadhilah, Najwa FADILLAH, MARSHANDA Faizah, Siti Fauzana Gazali Febrila, Putty Zinda Festiyed Fitri Amelia Fitri Arsih Fitri, Bali Yana Fitria Wijayanti, Fitria Fitriani, Mediana Friyatmi Friyatmi Gunawan, Revi Gina Gunawan, Rilla Gina Guspatni Guspatni Hafiza, Ufaira Heffi Alberida Hendri, Jhon Humaira, Zulfa Ilahi, Dian Purnama Ilwandri, Ilwandri Indang Dewata Irdes Hidayana Siregar Iryani Iryani Isti, Meila Iwefriani, Iwefriani Izzati, Fitria Jaslin, Syafriffah Jasniar, Jasniar Jr, Fachrur Rachman Juanta, Palma Julia Wulandari, Julia Junil Adri Jupinta, Agusri Kamilah, Rodiatul Khairurrazak, Khairurrazak Kristalia, Azizah Kurnia, Reni Kurniawan, Niko Legi, Wiwit Fitrah LESTARI, TASYA Lisa Utami Lufri Lufri Mahesa, Anggita MARCHELINA, SALSABILLA Minda Azhar Nadia, Nadia Afrianti Nofita, Agnes Nofri Yuhelman Nofri Yuhelman Nofrianto Nofrianto Noliea Oktavirayanti, Risa Pratiwi, Fitra Adinda Putra, Ananda Putri, Yunella Eka Qiram, M. Abdul Rahimah, Nikmatur Rahmanelli Rahmanelli Ramayanti, Nofia Riga Rindiany, Nindy Aprillia Ririanti, Ririanti Rivo Juita Sudirman Safitri, Sauli Sakinah, Mutiara Salsabila, Diva Santosa, Tomi Apra Saputra, Sabrizal Septiani, Ulfa Skunda Diliarosta Sofianora, Aulia Sovia, Eka Syafrilianto, Syafrilianto Syamsiar, Syamsiar Syukri S Trierdam, Gindi Lajen Ulfa Khaira, Ulfa Ulfa Weni Utomo, Erwin Pri Wildayati, Wildayati Yohandri Bow Yuli, Serli Sukma Yuni Ahda Yusmaita, Eka Zulyusri Zulyusri Zuwita, Ariani