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All Journal Indonesian Journal of Applied Science and Technology Indonesian Journal of Teacher Education
Ricca Veronica
Universitas Mataram
Agriculture, Biological Sciences & Forestry Computer Science & IT Education Engineering Languange, Linguistic, Communication & Media Public Health Social Sciences Other

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Pengembangan Perangkat Pembelajaran dengan Pendekatan Konflik Kognitif untuk Meningkatkan Kemampuan Pemecahan Masalah Momentum dan Impuls Peserta Didik Ricca Veronica; Gunawan Gunawan; Ahmad Harjono; Jannatin 'Ardhuha
Indonesian Journal of Applied Science and Technology Vol. 1 No. 4 (2020): Edisi Desember 2020
Publisher : Indonesian

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Abstract

This study aims to produce a product in the form of a learning device with a cognitive conflict approach that is feasible on momentum and impulse concepts. This study used the Research and Development (R&D) research method with the research model developed in 4D Models, which consisted of defining, designing, developing, and disseminating stages. The feasibility of the developed learning device is seen from the average result of the calculation of the six expert's assessment scores calculated by the device's validity and reliability. Furthermore, the distribution of response questionnaires was carried out to undergraduate students of physics education, University of Mataram, and students of class XI and XII was majoring in Mathematics and Natural Sciences. The research results based on expert judgment indicate that the results of the development of learning tools have a feasibility value with very valid and reliable criteria on the syllabus, lesson plans, student worksheets, and the developed test instruments. The results of student and student responses show a very good response. It can be concluded that the learning device with the cognitive conflict approach is feasible to proceed to the operational trial phase in learning to improve the students' momentum and impulse problem-solving abilities.
Desain Perangkat Pembelajaran Fisika Berbasis Konflik Kognitif untuk Kemampuan Pemecahan Masalah Ricca Veronica; Gunawan Gunawan; Ahmad Harjono
Indonesian Journal of Teacher Education Vol. 3 No. 3 (2022): Edisi September 2022
Publisher : Indonesian Publication Center

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Abstract

This study aims to design a feasible physics learning device integrating a cognitive conflict approach to accommodate students' problem-solving abilities. This Research and Development (R&D) study adopted the 4D model (Define, Design, Develop, and Disseminate), which was operationally simplified and restricted to the development stage due to the constraints of the Covid-19 pandemic and internet access limitations that prevented direct in-class implementation. The developed learning devices included a syllabus, lesson plans, student worksheets, and problem-solving test instruments. The feasibility of the product was evaluated through expert validation involving physics education lecturers and senior physics teachers, followed by a limited trial to assess user responses. The data were analyzed descriptively to determine the validity, reliability, and practicality percentage. The results indicated that the learning device achieved an average validity score of 88.38%, falling into the "highly valid" category, with an average reliability percentage agreement of 92.03%. Furthermore, the product received excellent responses from both physics education undergraduate students (99.23%) and high school students majoring in mathematics and natural sciences (99.56%). These findings confirm that the developed device meets the theoretical and practical feasibility requirements. It is concluded that the physics learning device based on the cognitive conflict approach is highly feasible to be implemented in actual physics instruction to help overcome misconceptions and stimulate students' problem-solving skills.
Co-Authors Ahmad Harjono G. Gunawan Jannatin 'Ardhuha