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All Journal JPF : JURNAL PENDIDIKAN FISIKA Sunan Kalijaga Journal of Physics
Faila, Rohaya Evatri
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Earth & Planetary Sciences Education Electrical & Electronics Engineering Materials Science & Nanotechnology Physics

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An Assessment to Measure Problem-Solving Ability and Science Process Skills: A Feasibility Test Faila, Rohaya Evatri; Supahar, Supahar; Pebriana, Irvany Nurita
Jurnal Pendidikan Fisika Vol 13, No 1 (2025): PENDIDIKAN FISIKA
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/jpf.v13i1.15654

Abstract

The ability to solve problems and apply scientific processes is a critical component of 21st-century education, especially within the context of the Indonesian "Merdeka" curriculum, which promotes independent and adaptive learning. However, traditional assessment methods fail to capture these competencies adequately. This study aims to determine the feasibility of an assessment instrument designed to measure high school students' problem-solving ability and science process skills. The instrument was developed using Istiyono’s test development model and focused on the test trial stage, which involves expert validation, empirical analysis, reliability testing, and item difficulty analysis. Using Istiyono’s model, the development focused on expert validation, empirical testing, and item analysis. A total of 252 students from six high schools in Yogyakarta and surrounding regions participated in the study. The content validity was assessed using Aiken's V, showing all items to be valid. Content validity, evaluated using Aiken’s V, indicated all items were valid. Empirical validation using the QUEST program yielded INFIT MNSQ values of 0.99 ± 0.81 for problem-solving and 1.01 ± 0.21 for science process skills, confirming item validity. Reliability coefficients ranged from 0.61 to 0.97, indicating high reliability. The difficulty level of items was distributed across easy, medium, and difficult categories. These findings support the feasibility of the assessment instrument in evaluating students’ higher-order thinking skills. The findings demonstrated the instrument’s suitability for assessing complex cognitive and inquiry-based skills. The validated instrument offers practical implications for educators to improve learning through formative assessment aligned with curriculum goals.
Audio-Visual-Based Optical Applications as a Media to Improve Students' Understanding of Concepts: A Feasibility Test Faila, Rohaya Evatri; Solikhah, Nanda Annisa; Setiaji, Bayu
Sunan Kalijaga Journal of Physics Vol. 5 No. 1 (2023): Sunan Kalijaga Journal of Physics
Publisher : Prodi Fisika Fakultas Sains dan Teknologi UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/physics.v5i1.3458

Abstract

One of the learning media by utilizing device technology is realized in the form of an audio-visual physics-based physics mobile learning application called Optically. In the mobile learning application, there are various kinds of content, such as illustrated images, educational videos, sample questions, and practice questions. The research conducted has the aim of (1) producing products in the form of audio-visual physics mobile learning applications on the subject of Diffraction as a learning medium; (2) knowing the feasibility of audio-visual physics-based physics mobile learning applications as a supporting medium for students in understanding the concept of physical optics material. The research and development method uses the ADDIE model which consists of 5 stages, namely Analysis, Design, Development, Implementation, and Evaluation. However, this study is limited only to the development stage (Design). The product feasibility tester in this study was carried out by 17 people who had studied Physical Optics Physics and were studying in the field of Physics. The results of the analysis of the feasibility test of the product carried out, obtained on average on all indicators belonging to the very feasible category.
An Assessment to Measure Problem-Solving Ability and Science Process Skills: A Feasibility Test Faila, Rohaya Evatri; Supahar, Supahar; Pebriana, Irvany Nurita
Jurnal Pendidikan Fisika Vol. 13 No. 1 (2025): PENDIDIKAN FISIKA
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/jpf.v13i1.15654

Abstract

The ability to solve problems and apply scientific processes is a critical component of 21st-century education, especially within the context of the Indonesian "Merdeka" curriculum, which promotes independent and adaptive learning. However, traditional assessment methods fail to capture these competencies adequately. This study aims to determine the feasibility of an assessment instrument designed to measure high school students' problem-solving ability and science process skills. The instrument was developed using Istiyono’s test development model and focused on the test trial stage, which involves expert validation, empirical analysis, reliability testing, and item difficulty analysis. Using Istiyono’s model, the development focused on expert validation, empirical testing, and item analysis. A total of 252 students from six high schools in Yogyakarta and surrounding regions participated in the study. The content validity was assessed using Aiken's V, showing all items to be valid. Content validity, evaluated using Aiken’s V, indicated all items were valid. Empirical validation using the QUEST program yielded INFIT MNSQ values of 0.99 ± 0.81 for problem-solving and 1.01 ± 0.21 for science process skills, confirming item validity. Reliability coefficients ranged from 0.61 to 0.97, indicating high reliability. The difficulty level of items was distributed across easy, medium, and difficult categories. These findings support the feasibility of the assessment instrument in evaluating students’ higher-order thinking skills. The findings demonstrated the instrument’s suitability for assessing complex cognitive and inquiry-based skills. The validated instrument offers practical implications for educators to improve learning through formative assessment aligned with curriculum goals.
Co-Authors Bayu Setiaji Pebriana, Irvany Nurita Solikhah, Nanda Annisa Supahar, Supahar