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Validitas Perangkat Pembelajaran Fisika Berbasis Model Generatif Berbantuan Laboratorium Virtual Shinta Mutiara Dewi; Gunawan Gunawan; Susilawati Susilawati; Ahmad Harjono
Jurnal Pendidikan Fisika dan Teknologi (JPFT) Vol 5 No 1 (2019): Januari - Juni
Publisher : Department of Physics Education, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (272.679 KB) | DOI: 10.29303/jpft.v5i1.1175

Abstract

The purpose of this study is to determine the validity of a learning tools based generative model with virtual laboratory. This type of research is Research & Development refers to the 4-D model which consists of four stages of development, namely define, design, develop and disseminate. Learning tools developed in the form of syllabus, RPP, LKPD, and evaluation instruments.  This paper only focused on the process of testing the validation of the contents and constructs of the learning tool. Validation has been carried out by experts using a validity test instrument in the form of a questionnaire. Validity test for syllabus, lesson plan, student worksheet and evaluation instruments get results with valid categories. Based on the results and discussion of the research it can be concluded that this learning tool is feasible to be used in physics learning.
Analisis Kreativitas Fisika Siswa dalam Model Pembelajaran Berbasis Masalah Menggunakan Simulasi Virtual Shinta Mutiara Dewi; Gunawan Gunawan; Ahmad Harjono
Indonesian Journal of Teacher Education Vol. 2 No. 2 (2021): Edisi Juni 2021
Publisher : Indonesian Publication Center

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This quasi-experimental research aims to analyze the effect of a problem-based learning (PBL) model assisted by virtual simulation on high school students' physics creativity. The research employed a non-equivalent control group design with a purposive sampling technique at SMAN 2 Mataram. The experimental group implemented the PBL model with virtual simulation, while the control group received direct instruction. Data were collected using essay-based Verbal Creativity Tests (TKV) and Figural Creativity Tests (TKF). The hypothesis test using the polled variance t-test showed that the PBL model assisted by virtual simulation significantly influenced students' physics creativity. The experimental group achieved a higher post-test average score for total creativity (56.96) compared to the control group (49.68). Furthermore, the increase in figural creativity was consistently higher than verbal creativity in both classes. This indicates that students find it easier to express their spatial imagination and divergent solutions through visual representations or drawings rather than verbal arguments when solving physics problems. In conclusion, the PBL model assisted by virtual simulation is effective in enhancing students' creative thinking skills.