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<![CDATA[PROBLEM SOLVING HEURISTIC TO DEVELOP SCIENTIFIC REASONING ]]>
<![CDATA[Wuriyudani, Hasri Arlin]]>;
<![CDATA[Wiyanto, Wiyanto]]>;
<![CDATA[Darsono, Teguh]]>
<![CDATA[ Physics Communication Vol 3, No 1 (2019): February 2019 ]]>
Publisher : <![CDATA[Universitas Negeri Semarang ]]>
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DOI: 10.15294/physcomm.v3i1.15022
<![CDATA[Scientific reasoning patterns of students formal operational base on the implementation of problem solving heuristic methods has been obtained. The aim of this research is knowing the influence of heuristic problem solving method that has been designed on practicum sheet of discovery learning model to develop scientific reasoning of students. The samples are 32 students in junior high school at 11-13 years old. The methods are CTSR test of scientific reasoning by Lawson and interview. The research design is one grup pretest-posttest. The results indicated that problem solving heuristic methods can be a factor to develop scientific reasoning of students. The lowest level of scientific reasoning (concrete reasoning pattern) is decrease 34,38%. The middle level of scientific reasoning (transitional reasoning pattern) is increase 31,25%. The highest level of scientific reasoning (formal reasoning pattern) is increase 3,13%. Heuristic methods helping students to develop scientific skills, such as setting hypotheses, modifying variables, and analyzing results of research. The scientific reasoning pattern can not be classified by age. People who has older of age has not impact in high scientific reasoning level than younger people. If someone fail on concrete aspect, it is not necessarily that person will be fail in formal aspect.]]>
<![CDATA[DEVELOPMENT OF INTERACTIVE MEDIA-BASED WAVE TEACHING MATERIALS TO IMPROVE STUDENTS' PROBLEM AND PERFORMANCE CAPABILITY ]]>
<![CDATA[Ahsani, Muh Syukri]]>;
<![CDATA[Yulianto, Agus]]>;
<![CDATA[Sarwi, Sarwi]]>
<![CDATA[ Physics Communication Vol 3, No 1 (2019): February 2019 ]]>
Publisher : <![CDATA[Universitas Negeri Semarang ]]>
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DOI: 10.15294/physcomm.v3i1.15834
<![CDATA[This study aims to produce teaching materials to improve problem-solving skills that are feasible to use as a class XII physics learning media on sound wave material. In addition, it is also to find out the response of students to teaching materials developed in terms of meeting the standards of usability and quality. This research is R & D research with design according to Borg including: needs analysis, product planning and development, product development, product evaluation, and final products. The instructional materials developed have been implemented in 63 students of class XII SMAN 5 Semarang. Data collection is done by giving a validation sheet to the senior teacher. Data on students 'problem solving abilities were obtained from the results of the pretest and posttest while the students' performance was seen from the observation of practical activities in the laboratory. Students are also given a questionnaire to provide input on the teaching materials that have been developed. The results of the study indicate that the product of development is declared feasible based on expert judgment. Implementation of teaching materials in physics learning in sound wave material is able to improve problem solving skills and student performance.]]>
<![CDATA[PHENOMENON OF BUYING AND SELLING AS BRIDGING ANALOGY OF LEARNING WORK AND ENERGY ]]>
<![CDATA[Desianna, Ika]]>;
<![CDATA[Nugroho, Sunyoto Eko]]>;
<![CDATA[Ellianawati, Ellianawati]]>
<![CDATA[ Physics Communication Vol 3, No 1 (2019): February 2019 ]]>
Publisher : <![CDATA[Universitas Negeri Semarang ]]>
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DOI: 10.15294/physcomm.v3i1.14921
<![CDATA[Effective physics learning can be designed by recognizing students' difficulties in understanding physics concepts. Students build the concept through experience gained from the environment, so that they unconsciously have the concept in accordance with the understood. Students still have difficulty distinguishing work and energy definitions in physics and in everyday life. The concept of work and energy can be understood by students if students have good analogy skills. The Brain Based Learning (BBL) model through analogy facilitates learning to improve students' thinking ability analogy. The buying and selling analogy is used to relate concepts that students have understood (source problems) to the concept of work and energy as learning goals (target problems). Quasi-experimental learning is applied to determine the analogy of students. Data were analyzed from the achievement of analogy ability test results before and after learning. The success rate of mastering students' analogy abilities is analyzed from the stages of analogy in solving problems. Achievement of pretest and posttest scores of students 'analogy abilities shows that the BBL model through buying and selling analogy can improve students' analogy skills. The average achievement of students' analogy skills at the stage of generating the analogy includes good criteria, evaluating the analogy relations stage including good criteria, understanding the analogy case stage including good criteria, and at the transfering findings, including not good criteria. The results of the analogy ability show that the BBL model through the analogy of buying and selling gives positive results on the ability of students' analogy.]]>
<![CDATA[MISCONCEPTION REMEDIATION THROUGH ANALOGY TO INCREASE THE UNDERSTANDING OF LEARNERS CONCEPTS IN ROTATIONAL DYNAMICS SUBJECT ]]>
<![CDATA[Novita Sari, Dian]]>;
<![CDATA[Linuwih, Suharto]]>;
<![CDATA[Sulhadi, Sulhadi]]>
<![CDATA[ Physics Communication Vol 3, No 1 (2019): February 2019 ]]>
Publisher : <![CDATA[Universitas Negeri Semarang ]]>
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DOI: 10.15294/physcomm.v3i1.19811
<![CDATA[This research aims to a11alyze the basic concepts that form a pattern of misconceptions on the rotational dyna111ics. The misconceptions formed by several incorrect patterns of concepts are remediated using a11alogy leaming method. This research is applied using the mix method (qualitative and quantitative). Quantitative data is taken using two tier diagnostic tests for pretest and posttest which consists of 10 questions. Qualitative data is taken by applying direct observations and interviews with the students. The result of the pretest showed a misconception average of 83.8%. Analogy learning process with posttest. After leaming analogy done, the result of posttest showed that misconceptions average decreased to 41.9%. With the decreasing in the posttest, the understanding of concepts average has increased from 16,2 % to 53,6 %. However, the results of this study cannot be said to be effective because there is still incorrect concept pattern from the posttest results. This is due to interest of student in physics, the student ability and the cognitive development.]]>
<![CDATA[THE PROFILE OF PHYSICAL PROBLEM-SOLVING BASED ON STUDENT’S PERSONALITY TYPES ]]>
<![CDATA[Alfathy, Ragil Meita]]>;
<![CDATA[Astuti, Budi]]>;
<![CDATA[Linuwih, Suharto]]>
<![CDATA[ Physics Communication Vol 3, No 1 (2019): February 2019 ]]>
Publisher : <![CDATA[Universitas Negeri Semarang ]]>
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DOI: 10.15294/physcomm.v3i1.15258
<![CDATA[Problem solving is important for learning physics at any level which involves the process of analysing, interpreting, reasoning, predicting, evaluating and reflecting. However, researches about problem-solving strategies or techniques based on students? personality have not been widely practiced. This strategy is important to be studied based on thoughts, characters and actions of students. Therefore, the aims of the research are to connect students problem solving of physics based on their personality and identify students problem solving pattern based on their personality according to The Four Temperament Theory of Keirsey (1998). The method used in this research is descriptive qualitative research with the type of Investigation of Lived Experience that explores inner experiences (Gall et al, 2003). Subjects in this study are 12th grade students of science class program of MAN 1 Banyumas which is determined by stratified sampling approach. They were divided into homogeneous groups. The grouping is based on Keirsey's four personality types: Idealist, Artisan, Guardian and Rational. Each personality type, selected nine students as research subjects are determined using purposive sampling technique. The results showed that the strategy of physics problem solving of Idealist type was conceptual problem solving, Artisan type used intuitive-analogic for solving the problem, Guardian type used intuitive for solving the problem, and Rational type used analogic strategy for solving the problem.]]>
<![CDATA[THE EFFECTIVENESS OF PHYSICS TEACHING MATERIALS ON THE THEME OF “GLOBAL WARMING SYMPTOMS†BASED ON SCIENTIFIC LITERACY TO INCREASE THE STUDENTS’ COGNITIVE ABILITIES ]]>
<![CDATA[purwiyantini, yeni]]>;
<![CDATA[Rusilowati, Ani]]>;
<![CDATA[Astuti, Budi]]>
<![CDATA[ Physics Communication Vol 3, No 1 (2019): February 2019 ]]>
Publisher : <![CDATA[Universitas Negeri Semarang ]]>
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DOI: 10.15294/physcomm.v3i1.15046
<![CDATA[The purpose of this research is to develop teaching materials based on scientific literacy with categories of scientific literacy that isbalanced, feasible to use, easy to understand, and improve students? cognitive ability. The study used pre-test and post-test control group design. Based on the results of the research, the ratio of the content of scientific literacy in the teaching materials developed with the ratio of 40%: 20%: 20%: 20%. Teaching materials are considered feasible to use with an average score of 91.67% eligibility score and legibility with an average score of 89.47%. The improvement of scientific literacy ability of students using scientific-based literacy materials was 0,51 while the students who used teaching materials circulating in school was 0,26. In the experimental class had increased of cognitive learning outcomes and the average of affective and psychomotor learning outcomes were higher than control class. This shows the literacy-based materials science material symptom of Global Warmingcould improve the ability of scientific literacy.]]>
<![CDATA[IMPLEMENTATION OF PEDAGOGICAL CONTENT KNOWLEDGE WITH MULTIMEDIA ON RECTILINEAR MOTION TOPICS ]]>
<![CDATA[Effendy, Suhardi]]>;
<![CDATA[Ellianawati, Ellianawati]]>
<![CDATA[ Physics Communication Vol 3, No 1 (2019): February 2019 ]]>
Publisher : <![CDATA[Universitas Negeri Semarang ]]>
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DOI: 10.15294/physcomm.v3i1.11884
<![CDATA[Pedagogical content knowledge is a combination of understanding knowledge material (content knowledge) and ways of educating (pedagogical knowledge). The purpose of this study is to improve student learning outcomes and interests through the implementation of multimedia assisted pedagogical content knowledge. The research method used is control group pretest-posttest design. Data collection was done by test and questionnaire. Data analysis using t test and gain test. The results showed that there was an increase in learning outcomes by the implementation of pedagogical content knowledge (PCK) with t count > t table and N-gain score of student learning outcomes of 0.60. Questionnaire results show the high interest of students in learning by using multimedia of Rectilinear motion.]]>
<![CDATA[DESCRIPTIVE ANALYSIS OF STUDENT’S SELF EFFICACY IN THE DISCOVERY LEARNING PROCESSES ]]>
<![CDATA[Mufida, Husna Noor]]>;
<![CDATA[Linuwih, Suharto]]>;
<![CDATA[Sugianto, Sugianto]]>
<![CDATA[ Physics Communication Vol 3, No 1 (2019): February 2019 ]]>
Publisher : <![CDATA[Universitas Negeri Semarang ]]>
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DOI: 10.15294/physcomm.v3i1.14990
<![CDATA[This research aims to describe the state of self efficacy on the application of learning discovery learning model on harmonic vibration topic. In addition to reveal the factors that influence the increase or decrease of students' self efficacy with the application of discovery learning model. This research is a qualitative descriptive analysis research. Discovery learning model is implemented in 38 students class X MIPA 2 of SMA 1 Bae Kudus. Data collection was done by giving questionnaires, observation, and interview. Questionnaire of student?s self efficacy also has been given to determine the condition of self efficacy of students before and after the learning process implemented. The results showed that the initial self efficacy condition of students who had low initial increase although not significant. The condition of early efficacy of students before the learning process determines the level of student success in the learning process. Analysis of the first time self efficacy of students with the low category can be used as an anticipation or prevent the final learning outcomes of students do not become low.]]>
<![CDATA[Development of Interactive Media-Based Wave Teaching Materials to Improve Students' Problem and Performance Capability ]]>
<![CDATA[ Physics Communication Vol 3, No 1 (2019): February 2019 ]]>
Publisher : <![CDATA[Universitas Negeri Semarang ]]>
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DOI: 10.15294/physcomm.v3i1.15834
<![CDATA[This study aims to produce teaching materials to improve problem-solving skills that are feasible to use as a class XII physics learning media on sound wave material. In addition, it is also to find out the response of students to teaching materials developed in terms of meeting the standards of usability and quality. This research is R D research with design according to Borg including: needs analysis, product planning and development, product development, product evaluation, and final products. The instructional materials developed have been implemented in 63 students of class XII SMAN 5 Semarang. Data collection is done by giving a validation sheet to the senior teacher. Data on students 'problem solving abilities were obtained from the results of the pretest and posttest while the students' performance was seen from the observation of practical activities in the laboratory. Students are also given a questionnaire to provide input on the teaching materials that have been developed. The results of the study indicate that the product of development is declared feasible based on expert judgment. Implementation of teaching materials in physics learning in sound wave material is able to improve problem solving skills and student performance.]]>
<![CDATA[Phenomenon of Buying and Selling as Bridging Analogy of Learning Work and Energy ]]>
<![CDATA[ Physics Communication Vol 3, No 1 (2019): February 2019 ]]>
Publisher : <![CDATA[Universitas Negeri Semarang ]]>
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DOI: 10.15294/physcomm.v3i1.14921
<![CDATA[Effective physics learning can be designed by recognizing students' difficulties in understanding physics concepts. Students build the concept through experience gained from the environment, so that they unconsciously have the concept in accordance with the understood. Students still have difficulty distinguishing work and energy definitions in physics and in everyday life. The concept of work and energy can be understood by students if students have good analogy skills. The Brain Based Learning (BBL) model through analogy facilitates learning to improve students' thinking ability analogy. The buying and selling analogy is used to relate concepts that students have understood (source problems) to the concept of work and energy as learning goals (target problems). Quasi-experimental learning is applied to determine the analogy of students. Data were analyzed from the achievement of analogy ability test results before and after learning. The success rate of mastering students' analogy abilities is analyzed from the stages of analogy in solving problems. Achievement of pretest and posttest scores of students 'analogy abilities shows that the BBL model through buying and selling analogy can improve students' analogy skills. The average achievement of students' analogy skills at the stage of generating the analogy includes good criteria, evaluating the analogy relations stage including good criteria, understanding the analogy case stage including good criteria, and at the transfering findings, including not good criteria. The results of the analogy ability show that the BBL model through the analogy of buying and selling gives positive results on the ability of students' analogy.]]>
