Abdurrahman, - (2010) THE ROLE OF QUANTUM PHYSICS MULTIPLE REPRESENTATIONSTO ENHANCE CONCEPT MASTERY, GENERIC SCIENCE SKILLS, AND CRITICAL THINKING DISPOSITION FOR PRE-SERVICE PHYSICS TEACHER STUDENTS. eprint_fieldopt_thesis_type_phd thesis, Universitas Pendidikan Indonesia.
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Abstract
Over the last decade, the amount of attention given to quantum physics in physics education research has increased significantly. The main purpose of this study was to investigate the role of multiple representations-based instructions for pre-service physics students toward the students’ quantum physics mastery, generic science skills, and critical thinking disposition. Moreover, it was aimed to find out students’ representations preferences, pre-conceptions about quantum physics, use of multiple representations in quantum physics concepts situations and the reasons of preferring certain modes of representations in solving physics problem. The mixed method study was conducted on 37 pre-service physics students of the Mathematics and Science Education Department, at a public University in Lampung Province in the 2009-2010 academic year, who were encouraged to join in this investigation, lasting twelve weeks. For assessing students’ quantum physics performance, two instruments have been developed, called Quantum Physics Survey (QPS) and Re-representation Skills Inventory (RSI). QPS was used to measure students’ quantum physics concept mastery achievement, generic science skills, and critical thinking disposition, whereas RSI was used to assess students’ re-representation ability. Furthermore, as qualitative data, a question list was prepared at the beginning of the research using Focus Group Discussion from experimental and control groups and semi-structured interviews were carried out with the six students from the experimental group. The quantitative data analyses were conducted by using Mann-Whitney U statistics analyses. The results revealed that multiple representations based-instructions had a significant effect toward pre-service physics students’ quantum physics concept mastery of the Photoelectric Effect, Bohr’s Atom Model and Schrodinger’s Equation. This result showed that multiple representation-based instructions was better than the conventional instructions. There were significant differences on students’ Generic Science Skills in indirect observation, sense of scale, symbolic language, logical self-consistency, and mathematical modeling, while there were no significant differences in logical inference and concepts formation. Furthermore, there were significant differences on students’ critical thinking disposition in open mindedness, analyticity, systematicity, self confidence, and maturity of judgment, while contrarily there were no significant differences in truth-seeking and inquisitiveness. There were significant differences in student’s re-representation skills between experimental and control classes after the treatment. The results of the Focus Group Discussion indicated that, before treatment, students’ representation was strongly dependent on teacher/lecturer’s representation; students were more willing to use existing representation from a domain resource than to generate their own representation; most of students were more willing to use mathematical representations in learning and physics problem solving; students’ preconception in quantum physics is strongly influenced by classical physics conceptions; students’ misconceptions in quantum physics concepts have been identified. The results of semi-structured interviews indicated that the experimental group students used a variety of representations for quantum physics learning situations and were capable of using the most appropriate one for the given quantum physics problems.
| Item Type: | Thesis (eprint_fieldopt_thesis_type_phd) |
|---|---|
| Additional Information: | No Panggil DIPA ABD t-2010 |
| Uncontrolled Keywords: | Fisika, Quantum |
| Subjects: | Q Science > QC Physics |
| Divisions: | Sekolah Pasca Sarjana > Pendidikan IPA S-3 |
| Depositing User: | Staf Koordinator 3 |
| Date Deposited: | 16 Jun 2014 01:43 |
| Last Modified: | 16 Jun 2014 01:43 |
| URI: | http://repository.upi.edu/id/eprint/7604 |
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