Bruce Waldrip
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IMPLEMENTASI PEMBELAJARAN BERBASIS MULTI REPRESENTASI UNTUK PENINGKATAN PENGUASAAN KONSEP FISIKA KUANTUM ., Abdurrahman; ., Liliasari; Rusli, A; Waldrip, Bruce
Jurnal Cakrawala Pendidikan No 1 (2011): CAKRAWALA PENDIDIKAN EDISI Februari 2011, Th. XXX, No. 1
Publisher : LPMPP Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (377.252 KB) | DOI: 10.21831/cp.v1i1.4189

Abstract

Abstract: Implementation of Multiple-Representation-Based Instructions to Improve the Mastery of Quantum Physics Concepts. This study aimed to design and investigate the role of multiple-representation-based instructions in the improvement of student teachers’ quantum physics mastery. This study used a quasi-experimental control group pretest-posttest design as quantitative part of a mixed-methods study. The subjects were student teachers of physics in the Department of Mathematics and Science Education in a state university in Lampung Province in the 2009-2010 academic year. For assessing the quantum physics mastery, the Quantum Physics Concept Achievement Test (QPCAT) was used. The quantitative analyses were conducted using the Mann Whitney U test. The results showed that multiple-representation-based instructions had a significant effect on student teachers’ quantum physics concept mastery. The results of semi-structured interviews as qualitative part of this study indicated that in the experimental group the students used a variety of representation modes in the learning process and were capable of using the most appropriate one to solve a given quantum physics concept problem. Keywords: quantum physics, multiple representations, concept mastery
Analysis of Students Concept Mastery on Forces on Objects in Static Fluid with Interactive Demonstration Learning Widya Rohmawati; Sutopo Sutopo; Bruce Waldrip; Kurnaz , Mehmet Altan; Sharona T. Levy
Classroom Experiences Vol. 2 No. 2 (2024): December
Publisher : Tinta Emas Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59535/care.v2i2.323

Abstract

This study aims to analyze the improvement of concept mastery of grade XI students about forces on objects in static fluid after being given interactive demonstration learning. The research method used is mixed method-embedded experimental design with one-group pretest-posttest design. The research subjects were students of class 4KJ SMK Universiti Malaysia and class H3 SMA Negeri 5 Malang. The instruments used were concept mastery test items regarding forces on objects in static fluid in the form of reasoned multiple choice questions, observation sheets, and interview guidelines. The results showed that the calculation of the d-effect size value of the learning applied to students of SMK Taman Universiti and SMAN 5 Malang was 4.50 and 4.28. The value of increasing student learning outcomes through the calculation of the average normalized gain is 0.88 and 0.83. The results also show that students can integrate Newton's laws in analyzing the problems of Archimedes' law after the learning is applied. For future research, similar learning can be applied to improve students concept mastery on other physics materials.