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301	Physics Education	ABS-280
Module Equipped with Augmented Reality Technology: An Easy Way to Understand Concepts and Phenomena of Quantum Fauzi Bakri, Handjoko Permana, Shelma Nur Chaeranti, Dewi Muliyati Physics Education Department, Universitas Negeri Jakarta Abstract Physics has some material that is abstract, so it is difficult for students to learn. One of them is the concepts and phenomena of quantum. This research is focused on producing module that is equipped with Augmented Reality technology in AR Quantum application. The module and application developed aim to make it easier for high school students in 12th grade to understand concepts and phenomena of quantum. The research method used is development research method with the Dick and Carey model. The module that is developed applies the Discovery Learning model, consists of six stages. The module is equipped with images as a marker that will display 3D objects if scanned with a camera in the AR Quantum application. This research obtained data through a questionnaire with a Likert scale (points 1-5) and tests (pre-test and post-test). The questionnaire consisted of a feasibility test by expert lecturers in the Physics Education study program at UNJ and a product trial by teachers in SMA Negeri 6 Bekasi and 12th-grade students at SMA Negeri 1 Bekasi. In addition, other data in the form of pre-test and post-test results were tested with a gain test to obtain data on improvement of students’ understanding related to the impact of using module. The results of the research obtained product feasibility test data of 95.9% for aspects of Physics material, 84.2% for aspects of instructional media, and 81.5% for aspects of Physics learning. The product trial results by the teacher gained a value of 94.3%, by students get 86.4%, and the results of gain test were 0.213. This shows that module equipped with Augmented Reality can illustrate concepts and phenomena of quantum into reality with excellent quality and are suitable for use as independent learning materials for students. Keywords: 3D modeling, Augmented Reality, Concepts and Phenomena of Quantum, Discovery Learning PermaLink | Plain Format | Corresponding Author (Dewi Muliyati)

302	Physics Education	ABS-31
The Effect of Problem Based Learning (PBL) towards Critical Thinking Used Computer Simulation Mariati Simanjuntak, Chatarina Purba, Berta Panggabean, Azmi Mustafa, Juniar Hutahean Universitas Negeri Medan Abstract Abstract. This study aims to examine the effect of PBL used simulation (adobe flash) on critical thinking skills. The research was quasi experimental using pre-test post-test control group design. The population of this study was all of 11th graders at one of SMA in Medan.The sample were experiment class using PBL used adobe flash and control using traditional. The data were collected by critical thinking test based on contextual problem in essay form. The data were analyzed by using t-test. The research results indicated that the pretest score for experimental and control group were 38,93 and 36,25 and the posttest score were 74,45 and 53,95. Based on the result of t-test, there was a significant effect between critical thinking skill with applied PBL used adobe flash. The increase of percentage critical thinking skill in experimental and control were 58 % (in middle category) and 28% (in low category). Keywords: problem based learning, critical thinking, computer simulation PermaLink | Plain Format | Corresponding Author (Mariati Purnama Simanjuntak)

303	Physics Education	ABS-33
Enhancing Creative Problem Solving Skills using LEGO® Mindstorm EV3 in STEM Based Learning Alfiansah Sandion Prakoso, Nurazizah, Anti Haryanti, Salman Al-Farizi, Lilik Hasanah, Irma Rahma Suwarma (*) Universitas Pendidikan Indonesia (*) irma.rs[at]upi.edu Abstract Creative Problem Solving (CPS) is a must-have skill that should be built and developed by the students to be able to compete in the 21st century. CPS is a process to solve a problem faced imaginatively and resulted an effective action. There are 4 aspects that is assessed in CPS which are fact finding, problem finding, idea finding, and solution finding. With an assumption that CPS could be trained and improved, this research aim is to investigate the enhancement of senior high school student’s CPS skill after practicing a STEM based learning. The topic in this research is the concept of momentum and impuls using LEGO® Mindstorm EV3 as the media. This study use a pre-experimental method with one group pretest-posttest design. The sample of this research is 25 senior high school students in Bandung that are determined with cluster random sampling technique. By analyzing the N-Gain, result shows that the enhancement of CPS skill is on the middle category with <g> between 0.31 – 0.63 Keywords: STEM-Based Learning; Creative Problem Solving; LEGO® Mindstorm EV3 PermaLink | Plain Format | Corresponding Author (Alfiansah Sandion Prakoso)

304	Physics Education	ABS-291
ANALYZING THE STUDENT EXPERIMENT PSYCHOMOTORIC ABILITIES AT SMA NEGERI 7 WAJO STUDENT Ahmad Yani, Fifi Eka Safitri, Usman, Ahmad Dahlan Universitas Negeri Makassar Abstract This study is a pre-experiment which aims to describe psychomotor abilities in practicum activities. The study subjects were 27 students at X IPA 2 Grade, SMA Negeri 7 Wajo. This research was conducted in 2018/2019 academic year. The study datas were gathered by non-test observation sheet. The study results showed that the highest experiment psychomotor abilities indicator is using experiment instruments and matterials skill at 86,53 %. The following ability is analyzing and designing experiment at 85,41 %. The lowest ability is interpreting and presenting experiment result at 82,7 %. Those abilities are in very good criteria based on Suhertian’s psychomotor skills category (2010) Keywords: Practical Activities, Psychomotor Abilities, Observation Sheets PermaLink | Plain Format | Corresponding Author (Ahmad Yani)

305	Physics Education	ABS-39
Scientific or Not? Mapping Category of Students’ Written Argument S. Siswanto (a*), S. Y. Anci (b), Y. Yusiran (c), H. Hartono (d), B. Subali (d) a) Department of Natural Science Education,Universitas Tidar, Magelang, Indonesia *siswanto[at]untidar.ac.id b) Department of Primary Teacher of Education, STKIP Taman Siswa Bima, Bima, Indonesia c) Department of Physic Education, STKIP Bima, Bima, Indonesia d) Department of Physic, Universitas Negeri Semarang, Semarang, Indonesia Abstract Argumentation skills have to be mastered and owned by students of college. To investigate these, mapping the characteristics of students’ written argument should be revealed. Therefore, this study aims to map how students’ written arguments are categorized. A content analysis is a research method utilized in this study. Students written argument of electricity and magnetism from 22 participants are analyzed. The analysis of mapping the written argument is divided into two parts. First, analysis is focused on considering argumentation components without scientific level. Finding of research portrays that level 2 (i.e. Data, Claim and or Warrant) dominates. Second, analysis is emphasized in argumentation components and scientific level of arguments. The result of research depicts that the category of Scientifically Unacceptable-Incorrect Scientific Knowledge (SU-2) is dominant. Its implication is a written argument should be taught to students comprehensively. Both component and scientific level of argument should be mastered by students. Keywords: Argumentation Skills; written arguments; scientific level of arguments PermaLink | Plain Format | Corresponding Author (Siswanto Siswanto)

306	Physics Education	ABS-296
STUDY ABOUT STUDENT CONCEPT ABILITY OF SCIENCE CONCEPT WITH SCIENCE APPROACH IN CLASS X SMA IN MOMENTUM AND IMPULSE MATERIALS Rosiqoh R, Setiya Utari, Endi Suhendi Universitas Pendidikan Indonesia Abstract This study aims to determined the ability of mastery of concepts with a scientific approach to class X students on the material momentum and impulses. This research is a single case study case study where the purpose of the study is to examined the conditions and situations that are happening, thus providing a picture based on the facts found in the field. The design of this study was post-only group design with a sample of high school grade X students in one school in Bandung. Data analysis techniques using Rasch models and instruments used in this study were multiple choice tests and student worksheets (LKPD). The results showed that the low ability to master the concepts of students in each aspect with the percentage in the aspects of understanding (65.3%) and (57.6%), the fourth and sixth are aspects of applying (61.5%) and (53.8%) ), and fifth is the aspect of analyzing (42.3%). Keywords: mastery of concepts, scientific approach PermaLink | Plain Format | Corresponding Author (Rosiqoh R)

307	Physics Education	ABS-304
Designing Physics Experiment and Assessment of Inquiry-based Laboratory to Exercise Higher Order Thinking Skills Setiya Utari, Eka Cahya Prima Universitas Pendidikan Indonesia Abstract This research aims to design the inquiry based laboratory as well as the cook book laboratory model to train student’s high order thinking. The investigation will train how scientists invented a standard prototype of length, time, and mass through inquiry activity approach. The model is a part of experiment assessment models under revised 2013 Indonesia curriculum. The model was successfully applied to K-10 in a Senior High School. The result shows that the best attainment of model is very high with (0.90) item validity as much as its reliability, good (0.50) discrimination power, and medium (0.62) difficulty index. Average students achieve 74% of experiment process test including investigating problems, tools, method, procedure, data, analysis, and conclusion. We have found that students can elaborate their fact and theory in order to synthesize, generalize, explain, hypothesize, or reach some conclusion or interpretation through applying inquiry based laboratory and training their high order thinking skills Keywords: Inquiry based Laboratory, Cookbook based Laboratory, High order thinking PermaLink | Plain Format | Corresponding Author (Setiya Utari)

308	Physics Education	ABS-305
Designing Inquiry-based Laboratory on Concave Eyeglasses Experiment to exercise Student’s Science Inquiry Skills Setiya Utari, Eka Cahya Prima Universitas Pendidikan Indonesia Abstract This paper is aimed to design and to implement a new inquiry based laboratory model and cookbook experiment model on a simple concave eyeglasses experiment in Indonesia. The model is a part of experiment models contributing to developing standardization of national experiment examination through revised 2013 curriculum framework. The model has been successfully applied to K-11 in a Private Senior High School. The best achievement of the model is very high with (0.92) item validity as much as its reliability, good (0.50) discrimination power, and medium (0.64) difficulty index. Average student can achieve 72% of experiment process test including finding problems, tools, method, procedure, data, analysis, and conclusion. We concluded that several competences can be trained by using inquiry based laboratory experiment, including understanding experimental problem, determining experimental tools needed, choosing an appropriate method, composing the experiment procedure, collecting data, analyzing data, and writing conclusion. Keywords: Inquiry based Laboratory, Cookbook based Laboratory PermaLink | Plain Format | Corresponding Author (Setiya Utari)

309	Physics Education	ABS-306
Engineering Course Model on STEM Education for Middle School Curriculum Setting in Indonesia Setiya Utari, Eka Cahya Prima, Irma Rahma Suwarma, Andi Suhandi Universitas Pendidikan Indonesia Abstract Nowadays, 21st-century skill is being considered as one of the educational policies in some developed countries to be well-trained at schools. The science, technology, engineering, and mathematics education (STEM) provides a high opportunity in exercising this skill to students. According to the national Indonesian curricula, it can be found that the students commonly must follow many subjects of course scheduled by a public school with relatively-difficult content. Based on our investigation, the difficulties might be handled by applying the engineering course model. The class can be conducted separately as an independent subject such as the basic technology education, which is provided as a special subject in a private school, or an extracurricular activity of students’ science forum for whom interested to this subject. To facilitate a well-scientific activity, the model of engineering curricula is needed especially to train the 21th-century skill. Thus, this work has reported the survey of STEM education activities implemented at some middle schools, the interviews to some teachers who are responsible to the science subject, and the analysis of science subject contents in Indonesian curricula 2013 for the middle school level. Keywords: The 21th-century skill, STEM education, Curriculum, Engineering course PermaLink | Plain Format | Corresponding Author (Setiya Utari)

310	Physics Education	ABS-53
Implementation Of Critical Thinking Skills Test Instrument Related The Concept On Sound Wave Faizatul Mabruroh (*a), Andi Suhandi (b) a) Physics Education, UIN Raden Fatah Palembang. Jalan Prof.KH.Zainal Abidin Fikry km.3,5 Palembang. *faizatul.mabruroh_uin[at]radenfatah.ac.id b) Departemen Pendidikan Fisika, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudi No. 229, Bandung 40154, Indonesia. Abstract This study was aimed to construct a test instrument for assess critical thinking skills of high school students on the concept vibration and wave that are focused on sound wave. The research using a mixed method with sequential exploratory design, consisting of: 1) the preliminary study phase; 2) the design and review phase; 3) testing phase the test instrument. Test instruments in the form of essays, consisting of 18 questions contain 5 indicators and 8 sub indicators of critical thinking skills expressed by Ennis, with the questions that are qualitative and contextual. Analysis of implementation test results using hypothesis testing to different average values to get an overview of the test instruments ability to distinguish between the critical thinking skills of students who get learning process which to exercise critical thinking skills of students and who get learning process which not to exercise critical thinking skills of students. ANOVA one way using to get a picture of the ability of instruments are constructed in identifying similarities critical thinking skills among students who had learning process to exercise critical thinking skills using problem based learning, learning cycle model (learning cycle) 5E, and inquiry learning model. Pearson product moment correlation test was performed to obtain the relationship between critical thinking skills with mastery of leraning materials on students’ test implementation. Keywords: critical thinking skills, critical thinking skills test instrument, vibration and wave, sound wave. PermaLink | Plain Format | Corresponding Author (Faizatul Mabruroh)

311	Physics Education	ABS-319
The physics of Gravitram: “Leisure or outdoor learning?” Nadi Suprapto*, Husni Mubarok Department of Physics, Universitas Negeri Surabaya *nadisuprapto[at]unesa.ac.id Abstract Through a research project of exploring physics concept in Techno Park, this study was manifested. It explored the existence of the application of the physics concept as part of exhibitions in museums, technopark, and science centers. The author specified the discussion into “Gravitram”. It is a complex system in which an electric motor lifts metal balls up to the top of the gravitram system, so each ball experience the law of conservation of energy. Rationally, the author adopted the qualitative paradigm in the research methodology. Documentation study through photo-elicitation and video analysis; and content analysis of electronic resources were used in the data collection. For a clear explanation, the findings and discussion are started from the history of the gravitram system, gravitram in the world, and the physics analysis of the system itself. The discussion is also exploring further the role of this system as a part of physics leisure, outdoor learning, or both of them. Keywords: physics; gravitram; outdoor learning PermaLink | Plain Format | Corresponding Author (nadi suprapto)

312	Physics Education	ABS-65
The Effectiveness Of Student STEM-based Workbook by using Multi Modal Representations To Improve Technology and Engineering Literacy Of Vocational High School Students Ratu Dewi Sri Lestari(a*); Irma Rahma Suwarma (b);Parlindungan Sinaga(c); Sekolah Pascasarjana Universitas Pendidikan Indonesia, Jl. Dr. Setiabudhi No.229, Bandung 40154, Indonesia Abstract Vocational students as prospective professional workers should be equipped with technology engineering literacy abilities. The purpose of this study is analyzing the effectiveness of STEM-based workbooks provisioning capability technology engineering literacy by using multi modal representation. The research design used a pretest-posttest control group design. The results showed that the STEM-based workbooks by using multi modal representations can improve the technology engineering literacy of students. The hypothesis testing showed that there was a significant difference on the ability of technology engineering literacy between class that used STEM-based workbooks by using multi modal representations and the class that used the regular workbook in schools. Where as based on the size of the impact it has the value of the large categorical effect size. The use STEM-based workbooks which were developed by using multi modal representations type is effective to enhance students technology engineering literacy abilities. Keywords: Workbook; STEM; Multi Modal Representation; Technology Engineering Literacy PermaLink | Plain Format | Corresponding Author (Ratu Dewi Sri Lestari)

313	Physics Education	ABS-67
Development of Textbooks using Multimodal Representation for Senior High School Students on the Topic of Sound and Light Vita Oktaviani(a*); Parlindungan Sinaga(b); Selly Feranie(c) Sekolah Pascasarjana Universitas Pendidikan Indonesia Jl. Dr. Setiabudhi No.229, Bandung 40154, Indonesia *oktavianivita[at]upi.edu Abstract Textbook is one of the important components in the learning process. Textbooks should be able to facilitate abilities and practice the skills students must have in the 21st century. The purpose of this study was to develop textbooks using multimodal representation to provision scientific literacy, communication and collaboration skills on the topic of Sound and Light. The research method used is Research and Development according to Borg and Gall. The instrument used in this study was a quality test questionnaire and a test of comprehension of the main ideas. Based on the test results of the main ideas of the discourse in the developed textbooks obtained 70.8% results with a high level of understanding in the category and the average value of the percentage of the quality test of the textbooks of each component by the validator obtained an average result of 86.7% with a very decent category. The results of the study of the feasibility of the textbook were 78.7% with a decent category. Based on the result of study, it could be concluded that the textbooks developed are suitable to be used as physics textbooks in senior high school. Keywords: Textbook, Multi Modal Representation, Sound and Light PermaLink | Plain Format | Corresponding Author (Vita Oktaviani)

314	Physics Education	ABS-68
The Effectiveness of Multiple Representation Electronic Books Based Android to Improve Critical Thinking Skills of Senior High School Students on the Topic of Optical Instruments Erni Nelsiastri Feoh(a*);Parlindungan Sinaga(b);Andhy Setiawan (c) Sekolah Pascasarjana Universitas Pendidikan Indonesia Jl. Dr. Setiabudi No. 229, Bandung 40154, Indonesia *nelsiastri.erni[at]yahoo.com Abstract Critical thinking skills is the one of skills required by students in facing the real word problems in 21st century era. The purpose of the research is analyzing the effectiveness of the use e-books-oriented critical thinking skills by using multiple representation. The research method used in this study is a quantitative method with a type of quasi-experimental research design. The research design used was a pre-test / post-test control group design. Effectiveness is determined by the hypothesis test and effect size. The statistical testing showed that there was a significant difference on the aspects of critical thinking skills between class that uses Android-based e-books using multiple representation and the class that uses the standard e-books. Where as based on the size of the impact it has the value of the very large categorical effect size. The result showed that Android-based e-books developed with multiple representation is effective to improve students’ critical thinking skills. Keywords: Electronic book; Multiple Representation; Critical Thinking Skills PermaLink | Plain Format | Corresponding Author (Erni Nelsiastri Feoh)

315	Physics Education	ABS-71
The Developing of Explaining-Doing (EXDO) Learning Model as Alternative Efforts to Improve Pedagogical Ability of Prospective Physic Teachers SUkarno, A.A Musyaffa Jurusan Pendidikan Fisika, fakultas Tarbiyah dan Keguruan Universitas Islam negeri Sulthan Thaha Saifuddin Jambi Abstract This study aims to improve pedagogical abilities of prospective Physics teacher students through a learning model. The Explaining-Doing (EXDO) learning model is one of the artistic models in developing student pedagogical abilities. The implementation of the EXDO model for prospective students of physics shows that pedagogical abilities have increased. The intended pedagogical ability includes the ability of prospective physics students in determining Learning Indicators, Learning Objectives, Learning Materials, Learning Methods, Learning Media, Learning Steps, Determining Learning Resources, Scientific Content, and Assessment of Learning Outcomes. Based on the data obtained, it can be seen that the highest normalized N-gain value is obtained by the component "subject matter", namely 93.16% and "determining learning resources" which is 91.74%. The lowest N-gain is achieved by the component of "learning outcomes assessment" which is equal to 71.79%. This shows that students pedagogical abilities in developing "subject matter" and "determining learning resources" and are difficult in "learning outcomes assessment". However, when referring to the normalized N-gain average value of 85.47%, it means that there has been an increase in pedagogical abilities of prospective physics teacher students during the implementation of the EXDO learning model. Keywords: EXDO model, pedagogy, Physic prospective teacher PermaLink | Plain Format | Corresponding Author (Sukarno Sukarno)

316	Physics Education	ABS-82
Exploration of Students Problem Solving Skills in Physics Based on Expert and Novice Categories Nehru(*), Wawan Kurniawan, Cicyn Riantoni Physics Education Department, Faculty of Education, Universitas Jambi, Jl Lintas Jambi-Muara Bulian Km 15, Muaro Jambi 36361, Jambi, Indonesia cicynriantoni12[at]gmail.com Abstract In agreement with conceptual understanding, identifying of problem solving skill is an important topic in physics. The purpose of this research was to explore students problem-solving skills based on expert and novice category. The research used a mixed method approach with an explanatory model with 34 prospective physics teacher at the Jambi University, Indonesia. The data was obtained by using open-ended questions. Data were collected using tests and interviews. Data analysis was done by using paired t-test and rubric for physics problem-solving skills. Problem-solving skills were classified into expert and novice. The research showed that most students have problem solving skill by novice categories. The cause is the weak application of concepts in the problem solving process. The research conclude application of concept in the process of problem solving not well understood by most student be the reason most student have categories novice ability in problem solving. Keywords: problem solving skills; expert; novice PermaLink | Plain Format | Corresponding Author (Cicyn Riantoni)

317	Physics Education	ABS-342
Validity of Student Worksheets using Inquiry Based Learning Models with Science Technology Society Approach for Physics Learning Yulkifli, Vera Yunita Nasution Universitas Negeri Padang Abstract Physics learning aims to develop knowledge and train students thinking skills. But in reality, students haven’t been able to develop because they are less trained to find concepts independently. Student worksheets includes teaching materials that can help students find concepts and apply these concepts. The purpose of this study was to produce student worksheets using the inquiry based learning model with the community technology science approach with criteria valid. Learning using a valid student worksheets can improved student’s competence. This type of research is R&D using the Plomp model. The validity assesment is carried out by expert reviews, then analyzed using Aiken’s V formula. The results of validity of student worksheets meet the valid criteria of 0.79. Based on the results of the study, it can be concluded that the student worksheets uses the inquiry based learning model with a science technology society approach valid for use in Physics learning. Keywords: Students worksheets, Inquiry Based Learning, science technology society approach PermaLink | Plain Format | Corresponding Author (yulkifli yulkifli)

318	Physics Education	ABS-343
Feasibility Test of Web-based Teaching Materials that Accommodate Multiple Intelligences on Global Warming Materials Winny Liliawati, T. R. Ramalis, A. M. Zulika Universitas Pendidikan Indonesia Abstract This study aims to examine the feasibility of web-based global warming teaching materials that accommodate multiple intelligences for high school students. This article will present the characteristics and results of validation from web-based teaching materials that accommodate multiple intelligences. The research method uses design based research with 4 stages, namely identification and analysis of problems, designing solutions, repetitive cycles, and reflection. The instrument used for the feasibility test is a web-based teaching material evaluation sheet that accommodates multiple intelligences consisting of assessment sheets for aspects of content, media, and orientation of multiple intelligences. Validators were 12 experts consisting of 5 expert lecturers on content and orientation, and 7 lecturers of media experts. The feasibility test was obtained using the Content Validity Ratio (CVR) equation and categorized. The results obtained CVR scores for the aspect of content 0.86 with a very appropriate category, the aspect of media 0.69 with a very appropriate category, the aspect of multiple intelligence 0.68 with very appropriate category. The conclusion is that web-based teaching materials with multiple intelligences oriented are very feasible to use. Keywords: Web-based teaching materials, multiple intelligences, global warming. PermaLink | Plain Format | Corresponding Author (Winny Liliawati)

319	Physics Education	ABS-99
How do pre-service physics teachers see sustainability issues? A case at an Islamic University in Indonesia Dindin Nasrudin, Agus Setiawan and Dadi Rusdiana Universitas Pendidikan Indonesia Abstract The issue of Education for Sustainable Development (ESD) has long been launched. However, this concept has not been understood by everyone including pre-service physics teachers. This paper aims to describe the profile of understanding physics teacher candidates on sustainability issues in the context of education. The method used is qualitative through in-depth interviews with several respondents. The results of the study show that the understanding of pre-service physics teachers about sustainability issues is still low. A program that is planned, systematic and measurable is needed to improve their literacy related to sustainability issues that are integrated into the lecture material. Keywords: ESD, renewable energy education, sustainability literacy PermaLink | Plain Format | Corresponding Author (Dindin Nasrudin)

320	Physics Education	ABS-114
Didactic Design Based on Obstacles to Student Learning in Physics Subjects in Bandung City Heni Rusnayati1, Karsih2, MarwahHayati Nufus3, Liza Heryanti4, Alfia Fitrianti5, Parsaoran Siahaan6, David Edison Tarigan7, AgusFany Chandra Wijaya8 Universitas Pendidikan Indonesia Abstract Abstract. Preliminary studies carried out using the Respondent Ability Test (RAT) identified that students experienced obstacles in: light refraction material on the lens that is determining the type of lens, focal length, lens strength and problem solving in shadow formation by 99%, unable to apply the impulse concept 97.14%, unable to connect to the planetary revolution with the distance of the planet to the Sun by 92.1%, unable to apply mathematical equations to the inclined plane of 100%. Learning obstacles that occur in students can affect the learning process and student learning outcomes.One effort to overcome the learning barriers experienced by students is by compiling a learning based learning barrier on students. Based on this, research was conducted aimed at minimizing student learning barriers through didactical design research (DDR). In designing DDR, epistemology obstacle analysis was carried out through tests of respondents abilities with research methods using qualitative descriptive. The stages of DDR research go through three stages of analysis, namely didactic situation analysis, metapedadactic situation analysis and retrospective analysis. Design that has been designed is implemented in class XI and class X high school in the city of Bandung. Data analysis that has been done shows that didactic design that has been implemented can minimize student learning barriers. Keywords: didactic design, learning barriers, qualitative descriptive PermaLink | Plain Format | Corresponding Author (Heni Rusnayati)

321	Physics Education	ABS-128
The enhancement of problem solving skill of 10th grade students through Multiple-Ways of Rosengrant on work and energy material Vidyawati UPI Abstract This research aims to determine 10th grade students enhancement of problem solving skill and its level to solve problems on work and energy material. This research used quasi-experimental method and pre-test post-test control group design. The participants are 60 students, picked from 350 students at one of the senior high schools in Bandung district. The samples were selected by purposive sampling technique. The instrument used in this research is in the form of essay questions based on problems in daily life. The problem solving skill is measured by pre-test and post-test, based on the Multiple-ways of Rosengrant indicators. The data analysis in this research used the average percentage gain, that is normalized and interpreted using criteria developed by Hake. Based on the research, there is an increasement in problem solving skill on each indicator. The indicators are in “moderate” level with a normalized score N-gain of 0.48. The result shows an enhancement in problem solving skill of 10th grade students at each level. Keywords: problem solving skill, multiple ways of Rosengrant, work and energy PermaLink | Plain Format | Corresponding Author (Vidyawati Vidyawati)

322	Physics Education	ABS-151
Simulation of Gas Speed Measurement for Investigating Maxwell Distribution Tugiyo Aminoto*), Rahma Dani, Neneng Lestari, Cicyn Riantoni Physics Education Department of Jambi University *) tugiyo[at]unja.ac.id Abstract Teaching and learning which mainly based on conventional media, offers limited resources in exploring a comprehensive concept of statistical physics phenomena. As a consequence, it needs to incorporate a computer simulation whose has superiority in visualizing a wide range of complicated and abstract physics concepts. This study aims to develop a computer simulation of gas speed measurement as a learning medium on the subject of Maxwell distribution. Measurement of very small and un-naked eye gas particles requires special techniques and tools that involve a complicated process of selecting particles and measuring their speed. For learning purposes, this measurement process needs to be done with computer simulation. This research uses the ADDIE model which includes analysis, design, development, implementation and evaluation. The results of the simulation show conformity with Maxwell’s speed distribution graph which was obtained theoretically and can enhance the quality of teaching of this subject. Keywords: learning media, computer simulation, gas velocity measurement PermaLink | Plain Format | Corresponding Author (Tugiyo Aminoto)

323	Physics Education	ABS-165
Development of Pre-Class Tutorial (PCT) to Improve Understanding of Prospective Physics Teacher Concepts in Basic Physics Course Duden Saepuzaman, Saeful Karim, Selly Feranie, Ika Mustika Sari, S P Sriyansyah Universitas Pendidikan Indonesia Abstract This research is motivated by findings related to the understanding of the basic physics concepts of prospective physics teacher students that demonstrate the conceptual difficulties of Basic Physics course. The existence of these findings is the basis in determining alternative solution plans that support the achievement of more optimal learning outcomes, one of which is the development of Pre-Class Tutorial (PCT). The method used is descriptive . As many as 82 third semester students in the Physics Education Study Program were involved in collecting research data. Improved understanding of concepts is identified from the average achievement of student scores on the Basic Physics unit test I. The research findings indicate the use of pre-class tutorials can help improve the understanding of Physics concepts of prospective Physics teacher. Keywords: Pre-class tutorial, Understanding Concept, Prospective Physics Teacher PermaLink | Plain Format | Corresponding Author (Duden Saepuzaman)

324	Physics Education	ABS-179
Improving Students’ Mental Model Related to The Concept of Battery Function in The DC Circuits Through Application of The CA-CDCCText A Suhandi*, A Samsudin and E Suhendi Departemen Pendidikan Fisika, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudhi No. 229, Bandung 40154, Indonesia Abstract The aim of this study was to find out the effect of using computer assissted-conceptual development conceptual change text (CA-CDCCText) in improving high school students’ mental model related to the concept of battery function in the DC circuits. CA-CDCCText consists of six part of the text. The method used in this study is a pre-experiment with one group pretest-posttest design. The number of research subjects was 36 students consisting of 20 female and 16 male students, at one high schools in West Java province. Data were collected by level of conceptual understanding test related to the concept of battery function in the DC circuits. The results showed that the use of CA-CDCCText in physics learning could be improved the mental model of 78% of high school students towards a scientific mental models. These results indicate that the use of CA-CDCCText has a high effectiveness in improving high school students mental model related to the concept of battery function in the DC circuits. Keywords: High school students, CA-CDCCText, Mental Model, Battery Function PermaLink | Plain Format | Corresponding Author (Andi Suhandi)

325	Physics Education	ABS-181
Development of Science Literacy Instruments in the Direct Current Chapters Dony Susandi (a*), Eidelweis Dewi Jannati (b), Asep Rachmat (b), Ida Kaniawati (c), and Parsaoran Siahaan (c) (a) Industrial Engineering, Majalengka University (b) Mechanical Engineering, Majalengka University Jl. KH. Abdul Halim No. 103 Majalengka 45418, Indonesia *dys[at]unma.ac.id (c) Physics Education, Indonesia University of Education Jl. Setiabudi 229 Bandung 40154, Indonesia Abstract This research aims to develop scientific literacy instruments in the direct current series chapter. The measured aspects of scientific literacy are aspects of content knowledge, procedural knowledge and scientific attitudes. The research method was conducted with a qualitative and empirical analysis approach. Qualitative analysis is carried out by experts/content experts to examine the items. Empirical analysis is used to measure the feasibility of the instrument in the form of validation, reliability, differentiation test and convenience test. The sample used to measure the feasibility of research results is the second semester informatics student at Majalengka University. The results of expert studies/experts on the item shows that it is appropriate, as well as the results of empirical tests showing that the scientific literacy instrument developed in the direct current electricity chapter is feasible to be applied in learning. Keywords: Instrument development, scientific literacy, direct current electricity PermaLink | Plain Format | Corresponding Author (Dony Susandi)

326	Physics Education	ABS-220
Using Rasch Model Analysis to Analyze Students’ Scientific Literacy on Heat and Temperature Amalia suci Lestari, Achmad Samsudin magister program of physics education, universitas pendidikan indonesia, Bandung 40154, Indonesia Abstract The aim of this research was to investigate the scientific literacy ability of the eleventh year students in the topic of heat and temperature by using Rasch model analysis. This was a case study research by applying post-test only group research design. The samples of the research were of 31 students consisting of 11 male students and 20 female students. Multiple choice test consisting of 25 items were used in this research. The test items were adapted from the PISA framework constructed (r= 0.82). The result of analysis by using Rasch model in form of Wright map display where the students 10P had high ability rate and students 04L, 07P, and 16L with the response pattern considered unfit. The MNSQ outfit value accepted was out of the limit. Generally, percentage of students’ scientific literacy ability in the three competencies were categorized low. Keywords: Rasch model, Scientific literacy, heat and temperature PermaLink | Plain Format | Corresponding Author (Amalia Suci Lestari)

327	Physics Education	ABS-229
Development of Physic Ebook Using Multi Representation Oriented On Analytical Problem-Solving Skills in Senior High School Student Nur Fadhillah, Parlindungan Sinaga, Muslim Universitas Pendidikan Indonesia Abstract This research aimed to develop a multi representation physic ebook, which oriented on analytic and interactive problem-solving skills in high school students. The research method used is Research and Development (R&D). While the multi representation teaching material writing model was used on the development of the ebook content, the ebook application itself was build using the App Builder on BuildFire website. The research was conducted in one of Tangerang public schools and attended by 60 students. Several data collection method was used as follow: 1) Expert judgment on ebook validation process, 2) Comprehensibility test using discourse main idea check, 3) Analytic problem-solving skill test using essay question sets, 4) hypothesis testing and effect size measurement, 5) observation on student perceptions through student responses on ebook implementation questionnaire. Expert judgement shows that the ebook has very good quality criteria. The comprehensibility test show that the readability of the discourse is on the medium and high criteria. Based on the N-gain calculation, the analytical problem-solving skill improvement is on medium criteria. It is known through the hypothesis test that there are gaps on problem-solving skills between student whose study using the ebook and the ones using the Electronic School Books. The effect size measurement shows large effect criteria on the effectiveness of the ebook. Students responses on the ebook shows that almost every student agreed to positive statement on the ebook and disagreed to negative statement on the ebook. Keywords: Senior high school ebook, Multi representation, Analytical Problem Solving skill PermaLink | Plain Format | Corresponding Author (Nur Fadhillah)

328	Physics Education	ABS-250
Development of Standardized Online Test to Assess the Students’ 21st-Century Skills Setiya Utari (a), Jessie Manopo (a*), Selly Feranie (a), Eka Cahya Prima (b), Bambang Heru Iswanto (c) a) Department of Physics Education, Indonesia University of Education Jalan Setiabudi 229, Bandung 40154, Indonesia *jessiemanopo[at]upi.edu b) International Program on Science Education, Indonesia University of Education Jalan Setiabudi 229, Bandung 40154, Indonesia c) Department of Physics, State University of Jakarta Jalan Rawamangun Muka 1, Jakarta 13220, Indonesia Abstract 21st-Century Skills are such essential skills to be prepared for professionalism needed nowadays. Therefore, in some developed and developing countries, education curricula were more emphasizing to exercise these skills. However, to achieve this objective, we have to build a standard assessment test to make sure that students have accomplished these skills. The skills should relate to laboratory problem solving, and the test has to be integrally connected to laboratory activities. This research attempted developing a set of 21st-century skills test tested to some teachers in Jawa Barat with a sample of 45 teachers. They have been teaching physics subject for more than five years. The problems presented refers to the design standardized by the National Assessment of Educational Progress (NAEP). The test consisted of 10 questions involving the concept comprehension test, and 16 problems involving 21st-century skills test with the rubric developed by Suzie Boss. The test was designed using Edmodo and Moodle platforms. The research result showed that the ten problems involving concept comprehension have high validity, 0.628. As the 21st-century skills test, there are some problems not validated, such as the critical thinking skills related to criticize a result. Moreover, communicating skills test about an issue to explain the project description, the additional feature about question to be spoken was required for kids who possess the auditory learning style. The collaboration and creativity skills test problems have been validated well. Therefore, some problems on this proposed standard test should be further improved by providing the video-based experiments, the scientific illustration regarding physical phenomena, the laboratory experiment data, and the scientific articles. Keywords: 21st-century skills, online test PermaLink | Plain Format | Corresponding Author (Jessie Manopo)

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