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All Journal Jurnal Pendidikan IPA Indonesia Tadris: Jurnal keguruan dan Ilmu Tarbiyah Jurnal Bioterdidik: Wahana Ekspresi Ilmiah Jurnal Penelitian Pendidikan IPA (JPPIPA) Indonesian Journal of Science and Mathematics Education Bioedukasi: Jurnal Pendidikan Biologi JUPE : Jurnal Pendidikan Mandala Ruang Pengabdian : Jurnal Pengabdian Kepada Masyarakat Journal of Advanced Sciences and Mathematics Education International Journal of Education, Culture, and Society
Tri Jalmo
Prodi Pendidikan Fisika, FKIP, Unila Bandar Lampung, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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Journal : Journal of Advanced Sciences and Mathematics Education

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Creative problem-solving assessment in fluid mechanics for senior high school students: Instrument validation and reliability analysis using the rasch model Diani, Rahma; Viyanti, Viyanti; Jalmo, Tri; Lengkana, Dewi; Erliana, Intan
Journal of Advanced Sciences and Mathematics Education Vol 5, No 1 (2025): Journal of Advanced Sciences and Mathematics Education
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jasme.v5i1.558

Abstract

Background: Creative Problem-Solving (CPS) is a critical skill in physics education, enabling students to address real-world challenges through innovative and practical approaches. Despite its importance, there is a limited number of reliable and valid instruments specifically designed to assess CPS skills within the context of physics education.Aim: This study aims to develop and prove the validation of a CPS assessment instrument using the Rasch model to ensure its reliability and accuracy in measuring CPS skills in physics education.Method: The research followed the ADDIE development model, which includes analysis, design, development, implementation, and evaluation phases. The instrument, consisting of 20 essay items aligned with CPS indicators, was validated by three experts in physics education. It was then tested on 35 Grade XI students in Lampung Province. Data analysis was performed using the Rasch model through Winsteps software, focusing on fit analysis, reliability, item difficulty distribution, and dimensionality assessment.Results: The instrument demonstrated strong internal consistency, confirming its reliability for assessing CPS skills in physics education. The construct validity was supported by fit analysis, indicating that most items functioned appropriately. However, some items exhibited potential bias and required revision. The dimensionality analysis confirmed that the instrument effectively measured a single underlying construct, ensuring its psychometric robustness. These findings suggest that the developed CPS assessment instrument is a reliable and valid tool for evaluating students’ creative problem-solving abilities in high school physics, particularly in fluid mechanics.Conclusion: This study successfully developed and validated a CPS assessment instrument for high school physics education, demonstrating strong reliability and construct validity. The instrument effectively measures CPS skills, though some items require refinement to ensure fairness and accuracy. Future research should focus on further improving item quality and testing the instrument in diverse educational settings to enhance its applicability and generalizability.
Co-Authors Abdurahman Abdurrahman Ahmadi, Rizal Aras, Julio Arwin Surbakti Aspridanel, Almira Berti Yolida Chansyanah Diawati Dian Ratna Sari Dina Maulina Erliana, Intan Evi Oktavia Herlina, Kartini Herpratiwi Herpratiw Ismah Fathimah, Ismah Johariah, Johariah Khoiriah Khoiriah, Khoiriah Komarudin Komarudin Laila Puspita, Laila Lengkana, Dewi Likita, Egy Razka Meriza, Nadya Neni Hasnunidah Noor Fadiawati Nurrohmah, Eka Purwadi Purwadi Rahma Diani, Rahma Rosiyanti, Anita Simanjuntak, Hanna Benedicta Sulistiyowati Sulistiyowati Viyanti Viyanti