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61	ABS-47	Teaching and Learning in Science, Technology, Engineering, and Mathematics
Development of 2013 curriculum learning model based on trigger powerpoint media to improves students creative thinking skill A Rahadyan (a), EAR Pinahayu (a), I Kurniawan (a*), N Dwitiyanti (a), R Abdillah (a) (a) Universitas Indraprasta PGRI, Jakarta Abstract This research is to develop 2013 curriculum learning model using trigger Microsoft powerpoint. This is an innovative learning model in order to enhance students creative thinking skill in mathematics problem solving. The research method is RND with qualitative research using data collecting techniques such as cheque list, observation, questioner, and problem-solving task. The sample of this research is primary students. The processes of developing this model are (a) initial investigation phase is to study literatures and collect the information, (b) design phase is to design the syntax of this model and create the lesson plans, worksheets, and learning materials, (c) realization phase is to do the syntax of this model and the learning materials, (d) trial, evaluation, and revision phase is the syntax and the learning materials are validated by some validators, do some revisions, then these are evaluated or tried out in a class. This research results a valid, effective, and practical learning model that is able to enhance students creative thinking skill in mathematics problem solving. Thus, the 2013 curriculum using trigger Microsoft power point is a learning model that can be applied in primary school related to 2013 curriculum. Keywords: Development, 2013 Curriculum, Learning Model, Trigger Powerpoint, Creative Thinking PermaLink | Plain Format | Corresponding Author (Indra Kurniawan)

62	ABS-48	Teaching and Learning in Science, Technology, Engineering, and Mathematics
Analyzing of Formative Assessment to Improve Learning Outcomes in Learning Momentum, Impuls, and Collision Vina Serevina(a*), Amrina Painty Metalinda (b) Universitas Negeri Jakarta Abstract This study, analyzing of formative assessment has been applied to improve the physics learning outcome in the context of momentum, impuls and collision . The instrument of this research, we were analyzed using multiple choice questions of daily tests and using questionaire. The research procedures by analyzing the study of question form based on material, construction and language yielding 25 multiple choice questions. Also analyzing the difficulties level and discriminating power. The population is limited to 10th grade of MAN Insan Cendekia Serpong there are 72 students. The method which is used in this research was a mix method with descriptive-quantitative design. The result shows 88% questions are in easy categorized , 80% questions are rejected. Other result of questionnaire, it showed accepted which are 89,3% for material aspect, 85,7% for construction aspect, and 83,5% for language aspect. It is due to all students in class X have homogen competency in learning physics. So, the questions should be changed because the questions is not appropriate to test in 10th grade of MAN Insan Cendekia Serpong. Keywords: formative test, learning Outcomes, learning physics PermaLink | Plain Format | Corresponding Author (Amrina Painty Metalinda)

63	ABS-49	Teaching and Learning in Science, Technology, Engineering, and Mathematics
Does Science Writing Heuristic Increase Secondary School Students Argumentation Skill? A. Daningsih, W. Purwianingsih, G. Yuliani Program Studi Pendidikan IPA, Sekolah Pasca sarjana, Universitas Pendidikan Indonesia, Bandung, Indonesia Departemen Pendidikan Biologi, Universitas Pendidikan Indonesia, Bandung, Indonesia Departemen Pendidikan Kimia, Universitas Pendidikan Indonesia, Bandung, Indonesia Abstract Argumentation plays an important role to build and develop students conseptual understanding and critical thinking skill. Factually, argumentation at secondary school is less scientific because of the lack of scientific discussion content. Science Writing Heuristic (SWH) might be the solution because it offers direct observation and comprising experiments at laboratory. It also shapes students conception like a scientist. The research aims to implement SWH on environmental polution learning and observe its effect on students argumentation skill. It applied quasi experiment method with 34 7th grade students as a research subject. The result showed that students argumentation contain claim, evidence, warrant, and backing. It means SWH plays important role to build and increase students argumentation on environmental polution. Keywords: Argumentation Skill, Science Writing Heuristic, Environmental Polution PermaLink | Plain Format | Corresponding Author (Ani Daningsih)

64	ABS-50	Teaching and Learning in Science, Technology, Engineering, and Mathematics
RELATIONSHIP BETWEEN INTERPERSONAL INTERACTIONS OF PHYSICS AND TEACHERS SAINS LABORATORY ENVIRONMENT ACTIVITY WITH ASSESSMENT OF STUDENT SCHOOL PERFORMANCE Vina Serevina (a), Yayu Sri Rahayu (b), Baiq Ida Arianti (c)* State University of Jakarta Abstract This research aims to analyze the relationship between interpersonal interaction of physics teachers and laboratory environmental activities with the assessment of high school student performance. This research is a correlational research. Subjects in this study were 55 students of class X and one physics teacher in SMA PKP DKI Jakarta. The study was conducted at the State University of Jakarta in September-December 2017. The data were collected using SLEI ,QTI, and student performance appraisal scores. Statistical test results using Pearson Product Moment, Performance appraisal positively correlated with laboratory environmental activities of 0.475 (r = 0.475), sufficient correlation. Performance appraisal is positively correlated with teacher interpersonal interaction of 0.937 (r = 0.937), very strong correlation and teacher interpersonal interaction positively associated with laboratory activity activities of 0.437 (r = 0.437), correlation is sufficient.There is a relationship between variables X1 and X2 with Y. Based on multiple regression analysis test, relationship positive and strong with double correlation coefficient is 0.940 and the determinant coefficient R2 is 0.883. From these results it can be concluded that there is a positive and strong relationship between interpersonal interaction of physics teacher and laboratory environmental activities with performance appraisal. Keywords: Questionnaire on Teacher Interaction (QTI), Science Laboratory Environment Inventory (SLEI), Performance Appraisal PermaLink | Plain Format | Corresponding Author (Baiq Ida Arianti)

65	ABS-51	Teaching and Learning in Science, Technology, Engineering, and Mathematics
QUALITY ANALYSIS OF INSTRUMENT TEST RESULTS LEARNING PHYSICS Of SENIOR HIGH SCHOOL Vina Serevina (a), Baiq Ida Arianti (b)* State University of Jakarta Abstract This research aims to analyze the quality of test instrument of high school physics learning result. This research has been conducted at State University of Jakarta and SMA Pelita 3 from August 2018 until November 2018. Analysis of test result test instrument in the form of cognitive domain test instrument. The test instrument for the cognitive domain is an objective test. The test was analyzed in 2 ways, ie, analytical and quantitative analysis. Qualitative analysis is done by experts to test the feasibility with 3 indicators namely construction of instrument, material and language. Expert validity test results are obtained for good instrument instrument indicator, good material suitability and good used language. Quantitative analysis is done by analyzing the validity, reliability, differentiation and difficulty of each item. The results of quantitative analysis with the number of questions about 40 items obtained as many as 20 valid and reliable problems with reliability coefficient of 0.77. For the level of difficulty obtained results among other: there are 6 easy category questions, as many as 27 problems of medium category and as many as 7 problem categories difficult. As for the different power obtained results as much as 9 questions into the category enough, as many as 12 problems including both categories and as many as 19 questions have different power ugly and can not be used. Keywords: Quality of Test Instruments, Learning Outcomes PermaLink | Plain Format | Corresponding Author (Baiq Ida Arianti)

66	ABS-52	Teaching and Learning in Science, Technology, Engineering, and Mathematics
PBL: What is the effect on science process skills? Ratna Hidayah Universitas Sebelas Maret Abstract Science process skills as basic competencies to develop creative, critical, open, innovative, and competitive for competition in the globalized world in the community. Problem based learning (PBL) as a model of learning that make students actively seek and find. This study to describe the effect of PBL on science process skills. This research is a research quasi experimental with pretest- postest control group design. The population in this research 223 elementary school students. The sample was collected using the cluster random sampling technique. Data process skills obtained from the tests and observation. The data were analyzed by t-test. The result of this research informs that PBL improved positively and significantly the science process skills of elementary students. Science process skills of students in the class of experiment 1 and experiment 2 higher than students in the class of the control. PBL can be one alternative learning models that can be used by teachers Keywords: PBL; Science process skills PermaLink | Plain Format | Corresponding Author (RATNA HIDAYAH)

67	ABS-54	Teaching and Learning in Science, Technology, Engineering, and Mathematics
The Ability of Mathematical Representation through Realistic Mathematics Learning based on Ethnomathematics Wahyu Widada, Khathibul Umam Zaid Nugroho, Widya P. Sari, & Galih A. Pambudi Master of Mathematics Education, Universitas Bengkulu Abstract The objectives of this study was to determine the comparison of the ability of mathematical representation between students taught by realistic mathematical approach and conventional learning; determine the comparative ability of mathematical representation between students who are ethnomathematical and non-ethnomathematical oriented; determine the existence of interaction influence of learning approach and the orientation of mathematics material to the ability of mathematical representation. This research is a quasi-experimental study, which uses the pretest-postest design of non-equivalent group design. The research instrument used is the test of mathematical representation ability. Data were analyzed using multivariate test of covariate analysis (MANCOVA). The results showed that there were differences in the ability of mathematical representation between students who were taught by realistic mathematical approach and conventional learning after controlling students early ability; there is a difference in the ability of mathematical representation between students who are ethnomathematical and non-ethnomathematical oriented after controlling students early abilities; there is an interaction effect of the learning approach and the orientation of mathematical material on the ability of mathematical representation after controlling the students early ability. Keywords: Representation of mathematics, ethnomathematics, realistic mathematics PermaLink | Plain Format | Corresponding Author (wahyu widada)

68	ABS-55	Teaching and Learning in Science, Technology, Engineering, and Mathematics
THE MATHEMATIC COMMUNICATION OF STUDENTS IN LEARNING MATHEMATICS BASED ON ETHNOMATHEMATICS REJANG LEBONG Dewi Herawaty, Sandra Alfi Gusri, Rezgi Saputra, Eva Liana, & Fenny Aliza Master of Mathematics Education, Universitas Bengkulu Abstract The objectives of study was to describe the metacognition of students in the mathematical communication process of high school students in learning mathematics oriented ethnomathematics Rejang Lebong. This research method is descriptive qualitative research, with the subject of the student of Class X IPA 2 SMA N 4 Rejang Lebong. The results showed that subjects with high cognitive level were able to think metacognitively with the mathematical communication process through planning, monitoring and evaluating the thinking process in the mathematical communication process. Subjects with cognitive level are doing mathematical communication in the form of planning, and monitoring but not exactly in evaluating the thinking process. While subjects with low cognitive level can make planning but can not monitor and can not evaluate the thinking process. Keywords: metacognition, mathematical communication, ethnomathematics PermaLink | Plain Format | Corresponding Author (Dewi Herawaty)

69	ABS-56	Teaching and Learning in Science, Technology, Engineering, and Mathematics
STEM Teaching In Primary School Education By Project Based Learning For Supporting Science And Technology Courses Erwinsyah Satria Universitas Bung Hatta Abstract This study investigates STEM education to support science and technology courses for primary school education in Universitas Bung Hatta Padang. This research is a kind of case study on a group of students who are having a science learning. The STEM education is not only providing information to students about project making also help them to improve their skills and abilities. A first starting point is introducing equipment for designing project and teaching fundamental principles for project making. STEM education performed with 16 students between 18 and 20 years old and they distributed in 4 groups. In the research, it will be seen that students can learn and apply their skills in designing projects while they are discussing with classmates using collaborative learning and project-based learning. Consequently, the findings and evaluations help to understand that STEM education to support students learning, moreover, affecting their science performance and relationships with friends in class positively. Keywords: STEM Education, Project Based Learning, Science Teaching PermaLink | Plain Format | Corresponding Author (Erwinsyah Satria)

70	ABS-61	Teaching and Learning in Science, Technology, Engineering, and Mathematics
Didactical Design of Cube Nets based on Pecle Traditional Games in Primary School E Nuraeni*, L Nur, M R W Muharram, N F Dewi UPI Kampus Tasikmalaya Jl. Dadaha No. 18, Tasikmalaya 46115, Indonesia *nuraeni[at]upi.edu Abstract This research is motivated by the results from the analysis of preliminary study that is the existence of learning obstacle experienced by students on the material of cube nets. Learning obstacles cause the process of students understanding on cube nets material will meet the obstacles. Therefore, it should be programmed the learning design which is able to overcome these learning obstacles. Pecle traditional game-based learning design on the cube nets material can be used to help students in understanding the cube nets material, so it can overcome the learning obstacle experienced by the students as well as a tool to preserve the local culture. The research problem in this study is how the learning design of the cube nets material based on pecle traditional games in primary school. The purpose of this research is to describe: (1) the learning obstacle experienced by students on the cube nets material, (2) the learning design of cube nets material based on pecle traditional games, (3) the implementation of the learning design of cube nets material based on pecle traditional games, (4) the students response toward the learning design of cube nets material based on pecle traditional games. The method used is a qualitative study of DDR (Didactical Design Research) model, with three-step procedure: prospective analysis, metadidactic analysis, and retrospective analysis. The research was conducted in two state primary schools in Tasikmalaya City. The result of this research is a learning design in the form of instructional materials in the form of Student Activity Sheet (SAS) which is developed as an alternative learning design used in mathematics learning of primary school on the cube nets material to overcome the learning obstacles experienced by students. Keywords: Didactical Design Research, cube nets, pecle traditional games PermaLink | Plain Format | Corresponding Author (Muhammad Rijal Wahid Muharram)

71	ABS-62	Teaching and Learning in Science, Technology, Engineering, and Mathematics
Sample Learning Design of Heat Transfer Course: A STEM-based Science Learning Septian Murnawianto (a*), Sarwanto (a), Sentot Budi Rahardjo (b) a) Science Education Department of Postgraduate Program, Sebelas Maret University, Jalan Ir. Sutami 36 A, Surakarta 57126, Indonesia *s.murnawianto[at]student.uns.ac.id b) Mathematics and Natural Science Faculty, Sebelas Maret University, Jalan Ir. Sutami 36 A, Surakarta 57126, Indonesia Abstract The learning design gives a huge effect on the success of learning process and continuously needs to developed by teachers. Learning design that based on Science, Technology, Engineering, and Mathematics (STEM) can be an alternative to enrich the content of science learning. This study focused on developing STEM-based learning design as a science learning for middle school. The study is a development research that consists of defining stage, designing stage, and development stage of Four-D instruction development model. The developed learning design structured in a syllabus, lesson plan, worksheets, learning modules, and assessments. The expert validators in science learning design were giving a rate to know how appropriate it to STEM-based learning characteristics and how worth it can be used in Indonesian middle school. Data which collected were analyzed in descriptive qualitative. The results show that the developed learning design was already appropriate to STEM-based learning characteristics with 93%. It was also worth rated to be used in Indonesian middle school as a science learning design with 93% or categorized very good. These study results become the basis to continue the development of STEM-based science learning design to next stages that are the field test on the real class environment. Keywords: STEM-based science learning; STEM; Learning design PermaLink | Plain Format | Corresponding Author (Septian Murnawianto)

72	ABS-63	Teaching and Learning in Science, Technology, Engineering, and Mathematics
UNDERSTANDING OF ELEMENTARY SCHOOL TEACHERS ON THE NATURAL SCIENCE CONCEPT ON PHYSICAL ASPECT Anatri Desstya (a*), Zuhdan K Prasetyo (b), Suyanta (c) a) Ph.D. scholar, Science Education program, Yogyakarta State University, Jalan Colombo No 1 55281, Indonesia. *ad121[at]ums.ac.id b) Department of Sciences Education,Yogyakarta State University, Jalan Colombo No 1 55281, Indonesia. c) Department of Chemistry Education, Yogyakarta State University, Jalan Colombo No 1 55281, Indonesia Abstract To avoid errors in understanding the concept of physics sustainably, misconception of physics needs to be diagnosed, both students and teachers in elementary or secondary education. However, this diagnosis is still rarely done in teachers at elementary school. This study is to describe and identify misconceptions on the understanding of the concept of physics in elementary school teachers. This is a qualitative research. The respondent are 14 elementary school teachers in Surakarta, with stratified purposive sampling. Collecting data with test dan interview, with open response essay test and an interview sheet. The process of analysis through data collection, data reduction, and withdrawal of conclusions, done inductively. The results: 22,99% teachers have a scientific understanding of the concept, misconception category of 66,43%, and 3,57% not understand category. Misconceptions absolutely occur in the understanding of the time object to arrive at the ground. Misconceptions are categorized high on the concept of 1) the force of gravity (92,86%), 2) light velocity (92,86%), 3) frequency and amplitudo (85,71%), 4) static electric force 78,57%), and 5) visible object by eye (57,15%). The conclusion that the understanding of elementary school teachers on the concept of physical science shows different levels and varies Keywords: misconception, science, physics, elementary school teacher PermaLink | Plain Format | Corresponding Author (Anatri Desstya)

73	ABS-66	Teaching and Learning in Science, Technology, Engineering, and Mathematics
The Improvement of Trigonometry Ability through Connected Mathematics Learning Models and Scientific Approaches Wahyu Widada, Dewi Herawaty, Sayudi Agriyanto, Ginta Octizasari, Shinta Gusni Meri Master of Mathematics Education, Universitas Bengkulu Abstract The objectives of the study was to determine the effect of the connected math learning model with a scientific approach to the ability to understand the concept of trigonometry. This study is a quasi-experiment with a sample of 80 students of Class X Senior High School Bengkulu. This research instrument is a test of comprehension ability of trigonometric concepts. The analysis of data with Ancova. The result of the research were the ability to understand the concept of trigonometry of students taught by the learning model of connected mathematics is higher than students who are taught conventionally for students who learn through the scientific approach. The ability to understand the concept of trigonometry students taught by the connected mathematics learning model was lower than students who are taught conventionally for students who study without a scientific approach. The ability to understand the concept of trigonometry students who learn through a scientific approach was higher than students who learn without a scientific approach for students who are taught connected mathematics learning models. The ability to understand trigonometric concepts of students who learn through a scientific approach was lower than students who learn without a scientific approach for students taught with conventional learning. Keywords: connected mathematics, scientific approach, conceptual understanding PermaLink | Plain Format | Corresponding Author (wahyu widada)

74	ABS-67	Teaching and Learning in Science, Technology, Engineering, and Mathematics
THE MATHEMATICS UNDERSTANDING OF STUDENTS ORIENTED ETHNOMATHEMATICS DANCE KEJEI Nilna MaRifah, Wahyu Widada, Aida, Yulfitri, Jamal Effendi Postgraduate Study Program of Mathematics Education, Universitas Bengkulu Abstract The study aims to describe a mathematical understanding of junior high school oriented ethnomatematic dance kejei Rejang Lebong. The method used exploration study. The results showed that the mathematical understanding is the ability of a person to propose and reapply the knowledge obtained in the form of mathematical formulas or concepts by using his own language in solving the problem. The mathematical concept applied to kejei dance is geometry wake flat. the mathematical-oriented understanding indicator of ethnomatematic dance kejei consists of 1) Defining the concept of wake-up in verbal dance kejis dan writing, 2) Identify and make examples and examples of flat wake dampers found in kejei dance, 3) Using models and symbols to represent a the concept of waking flat on the dance kejei, 4) Changing a form of flat wake representation to another form, 5) Knowing the various meanings and interpretations of the concept of flat wake, 6) Identify the properties and recognize the conditions that determine a flat wake concept contained in dance kejei, 7) Compare and distinguish a concept of waking flat on kejei dance Keywords: Mathematical Understanding, Ethnomatematics, Kejei Dance PermaLink | Plain Format | Corresponding Author (Khathibul Umam Zaid Nugroho)

75	ABS-68	Teaching and Learning in Science, Technology, Engineering, and Mathematics
Improving Students Understanding of Mathematics through Ethnomathematics Dewi Herawaty, Sarwoedi, Desi Okta Marinka, Peni Febriani, I Nyoman Wirne Master Program of Mathematics Education, Universitas Bengkulu Abstract The purpose of this study was to determine the influence of ethnomathematics and cognitive style on the ability of understanding mathematics. This research is quasi-experiment with the sample of Class X Student of SMA N 4 Rejang Lebong. The instrument of this research is a test of mathematical understanding ability. The result of this research is the linear influence of students cognitive covariate toward the ability of understanding mathematics; Student cognitive style, learning model, and mathematics material orientation together influence to the ability of understanding mathematics; The students understanding of math skills taught by a scientific approach is higher than that of students conventionally taught after controlling the students cognitive style. The ability of mathematical understanding of students who are learning oriented ethnomathematics higher than students who learn is not ethnomathematical oriented after controlling the cognitive style of students. Keywords: ethnomathematics, mathematical understanding PermaLink | Plain Format | Corresponding Author (Dewi Herawaty)

76	ABS-69	Teaching and Learning in Science, Technology, Engineering, and Mathematics
The REACT Strategy and Discovery Learning to Improve Mathematical Problem Solving Ability Wahyu Widada, Dewi Herawaty, Miska Agustina, Petrus Mundana, Fina Rahma Putri, Abdurrobbil Falaq Dwi Anggoro Universitas Bengkulu Abstract The purposes was to examine the comparison of problem solving abilities and critical thinking abilities for students who are taught with the REACT learning strategies and conventional learning. A quasi-experimental study with non-equivalent pretest-posttest design was applied in this study. The sample of this study was 64 students of Senior High School Kota Bengkulu. This research instrument is a test of problem solving skills and a critical thinking ability test. The result of the research was the ability of students taught with REACT strategies was higher than students taught with traditional learning. Also, the ability of students taught with guided discovery models was higher than students taught with traditional learning. Keywords: REACT Strategy, problem-solving ability, critical thinking PermaLink | Plain Format | Corresponding Author (wahyu widada)

77	ABS-74	Teaching and Learning in Science, Technology, Engineering, and Mathematics
The abstraction ability of students in understanding the concept of geometry Wahyu Widada, Ani Agustina, Serlis, Bima Marshel Dinata, Shelly Tri Hasari Masters Program in mathematics education, Universitas Bengkulu Abstract The purposes of this study are to determine the ability of learners abstraction in understanding concepts and principles of geometry. This study used a qualitative method. The research subjects were selected from undergraduate students of mathematics education. The selection technique is based on the ability to understand geometric concepts. We were collected data through task-based interviews. The analysis of data with the genetic decomposition techniques. Furthermore, the theoretical processes is carried out to determine the characteristics of each level of abstraction. The result was the six levels of students ability to understand geometrical concepts. The six levels were: Level 0 (concrete objects), Level 1 (model of semi-concrete), Level 2 (theoretical models), Level 3 (language in domain example), Level 4: (language of the math), and Level 5 (model of inference). Keywords: abstraction, object geometry, levels of abstraction PermaLink | Plain Format | Corresponding Author (wahyu widada)

78	ABS-75	Teaching and Learning in Science, Technology, Engineering, and Mathematics
Readiness profile of physics education students to become teachers and laboratory staff M M Chusni12 a), A Hasanah3, A M Ghazali4, R Zakwandi2, A Malik2 1 Program Studi S3 Pendidikan IPA, Universitas Sebelas Maret, Jl. Ir. Sutami 36 A, Surakarta, 57126, Indonesia 2 Program Studi Pendidikan Fisika, UIN Sunan Gunung Djati, Jl. A. H. Nasution No. 105 Bandung 40614, Indonesia 3 Jurusan Pendidikan Agama Islam, UIN Sunan Gunung Djati, Jl. A. H. Nasution No. 105 Bandung 40614, Indonesia 4 Fakultas Ushuludin dan Studi Agama, UIN Sunan Gunung Djati, Jl. A.H Nasution No. 105 Bandung 40614, Indonesia a) minan.chusni[at]uinsgd.ac.id/ minan.chusni[at]student.uns.ac.id Abstract This research aims to explain the readiness of physics students to become teachers and laboratory staff as one of the additional competencies that have. This research is qualitative descriptive research with survey methods. The Data on this study was gathered by disseminating responsive questionnaire to 90 students at different universities. Data analysis is performed using a quantitative descriptive approach. The results showed that male students were more likely to be prepared to become laboratory staff compared to female students with a percentage readiness of 70.66% for male students and 67.67% for female students. The opposite occurs with readiness to be a teacher where female students are more prepared with 81.77% than male students with 79.97%. Overall students are more prepared to become teachers than to be a laboratory staff with 82.49% to become teachers and 67.67% to become Laboratory staff. This indicates that the laboratory staff profession is still not very interested among students. The thing that needs to be sought is to introduce and give clarity to the function of a laboratory staff. Keywords: teacher, laboratorium, physics PermaLink | Plain Format | Corresponding Author (Muhammad Minan Chusni)

79	ABS-77	Teaching and Learning in Science, Technology, Engineering, and Mathematics
EFFECT OF PROBLEM BASED LEARNING (PBL) MODEL TOWARD HIGHT ORDER THINKING SKILL OF SCIENCE AND STUDENTS SELF REGULLACY i.w suastra, k.suarni, satya dahrma Ganesha University of Education Abstract This research aimed to improve the effect of the implementation of PBL model learning on higher order thinking skill and self regullacy of the grade five students at SD Gugus VI Abiansemal distric, Badung-Bali. Design of research is single factor independent groups design. The population of this study is all students of the five grade students at elementary school in Gugus VI academic year 2017/2018 amounts 176 students. The sample was obtained by using random sampling technique obtained 69 students as sample. Base on the statistical test of higher order thinking skill of science obtained through essay test and data of self regullacy obtained through questionnaire to validation and reliable. Further data obtained were analyzed by using MANOVA test with 5% significance level. The result of hypothesis testing shows that: first, the higher order thinking skill of students who following the problem based learning model is better than the higher order thinking skill of students who following the conventional learning (F = 4,643; &#961;<0.05); secondly, the self regullacy of students who following the problem based learning model is better than the self regullacy of students who following the conventional learning (F = 13,211; &#961;<0.05); third, the higher order thinking skill and self regullacy of students who following the problem based learning model is better than the higher order thinking skill of students who following the conventional learning (F = 7,445; p < 0,05). Keywords: Problem Based Learning, Higher Order Thinking Skill, Self Regullacy PermaLink | Plain Format | Corresponding Author (I Wayan Suastra)

80	ABS-78	Teaching and Learning in Science, Technology, Engineering, and Mathematics
The Influence of the Inquiry Learning Model and the Bengkulu Ethnomathematics toward the Ability of Mathematical Representation Wahyu Widada; Dewi Herawaty; Rahmat Jumri; Zulfadli; Bobby Engga P. D Master Program in Mathematics Education, Universitas Bengkulu Abstract Keywords: Inquiry learning, etnomatematics, mathematical representation and mathematical connections PermaLink | Plain Format | Corresponding Author (wahyu widada)

81	ABS-79	Teaching and Learning in Science, Technology, Engineering, and Mathematics
Assessing competency levels of students on learning of energy and weather concepts using partial credit model E Murniarti (a), S Solihatun (b), and I B Rangka (b*) (a) Universitas Kristen Indonesia, Jakarta, Indonesia (b) Universitas Indraprasta PGRI, Jakarta, Indonesia Abstract This research described a competence levels of students on learning natural sciences in elementary school. Specifically, we measure students capacity in understanding of energy and weather concepts. This research involved 64 students on elementary school. The data takes from class promotion test with consisting multiple choice questions (MCQ) and Essay Test. Data analysis was produced using the Partial Credit Model (PCM) Rasch measurement. The Rasch PCM specifies that each item has its own scale rating structure, so the two test types can be analysed simultaneously. The results showed that in general the students had difficulty to concluding the observation that the motion of the object was influenced by its shape and size; and pointed out of the relation between cloud and weather conditions. On the separate part, students clearly realize how to conserve the energy in everyday life; and interpret the effects of weather for human life. Furthermore, the MCQ test is problematic than the Essay Test for students. The average male student has better ability than the female students to comprehend the learning materials. Keywords: student competency levels, partial credit model, natural sciences, elementary school PermaLink | Plain Format | Corresponding Author (Itsar Bolo Rangka)

82	ABS-80	Teaching and Learning in Science, Technology, Engineering, and Mathematics
Sentiment Analysis on Twitter: Case Study of Acceptance of New Learners Tri Andi(1*), Nuryadi(2), Putri Taqwa Prasetyaningrum(3),Sitaresmi Wahyu Handani(4), Ariesty Fujiastuti(5), Muhamad Nur Hudha(6), Andista Candra Yusro(7), Syarief Fajarudin(8) 123 Universitas Mercu Buana Yogyakarta 4STMIK Amikom Purwokero 5 Universitas Ahmad Dahlan 6 Universitas Kanjuruhan Malang 7 Universitas PGRI Madiun 8 Universitas Negeri Yogyakarta Abstract The acceptance of new learners (PPDB) or more known as the school zoning system is a basic foundation of overall school reform arrangement from kindergarten (kindergarten), elementary school (elementary), junior high school (junior high) to high school ( SMA). There are pros and cons to this new policy, for example smart students can not register favorite school, no more favorite terms because it is expected with this PPDB system all levels of education both elementary, junior and senior high school became a favorite. On the social network on twitter a lot of which discuss the schools zoning system. This new system attracted researchers to conduct sentiment analyzes of school zoning systems, text documents used in research derived from Twitter about public opinion about PPDB or school zoning. The data used in this study as many as 1000. In this study, we propose the analysis sentiment on twitter related zonation system policy. The system will gather tweets, analyze tweet sentiments using SVM, and group them into sentiments anger, anticipation, disgust, fear, joy, negative, positive, sadness, surprise, trust. Keywords: Sentiment Analysis, PPDB, Zoning school, SVM PermaLink | Plain Format | Corresponding Author (Tri Andi)

83	ABS-81	Teaching and Learning in Science, Technology, Engineering, and Mathematics
THE INFLUENCE OF E- WOM ( Electronic Word of Mouth) and Brand Image TOWARD THE DECISION OF TAKING AN ENGLISH COURSE M D Ruhamak1, P Vitasmoro1*, A N Rahmadi1, Soewarno1, Djunaedi1, Nurlaely1, I G G H Marwanto1, Susmiati1, T Pramono1, E Winarti1, E H Syaidah1, B Dewandaru1, M N Hudha2 1 Universitas Kadiri, Jalan selomangleng no. 1 Kota Kediri 64155, Indonesia *corresponding author: pamadyavitasmoro[at]unik-kediri.ac.id 2 Physics Education Study Program, Universitas Kanjuruhan Malang, Jalan S.Supriadi No.48 Malang, 65148 Indonesia Abstract The purpose of the study is to find out the influence of electronic word of mouth and brand image toward the decision of taking an English Course in Kampung Inggris Pare of SDIT Al Azhar Kediri in 2018/2019. This research was quantitative research. In conducting this research, the researcher used pretest and posttest design. In this research, the students were given pretest before treatments and in the end of the research the students were also given posttest after giving treatments. The treatment is the explanation about electronic word of mouth and brand image. The result shows that the students total score of pretest 1608, the mean is 50,25 and posttest is 2344, the mean is 73,25. It means that the students score increased after giving electronic word of mouth and brand image before giving decision of taking an English Course. From the data analysis, it can be concluded that electronic word of mouth and brand image has influence toward the decision of taking an English course in Kampung Inggris Pare of SDIT Al Azhar Kediri in 2018/2019 Keywords: electronic word of mouth; brand image; english course PermaLink | Plain Format | Corresponding Author (pamadya vitasmoro)

84	ABS-82	Teaching and Learning in Science, Technology, Engineering, and Mathematics
The attitude of senior high school teachers on mathematical problem solving Y Harisman (a,b*), Y S Kusumah (a), K Kusnandi (a) a) Departemen Pendidikan Matematika, Universitas Pendidikan Indonesia b) Departemen Pendidikan Matematika, STKIP PGRI Sumatera Barat, Jl. Gunung Pangilun Padang Utara Kota Padang Sumatera Barat 25000, Indonesia *yulyyuki[at]gmail.com Abstract Teacher attitudes toward mathematical problem solving and learning are very influential on the teaching practice of teachers in teaching problem-solving in the classroom. There have been many research expert who focus the research on the attitude of teachers toward mathematics, but they rarely sees how the attitude of teachers toward mathematical problems solving and the process of learning for problem solving. In this research will answer this two problems. The research type is qualitative with survey method. Three mathematics teachers from three different schools were selected as research subjects. Teaching videos of each teacher, questionnaires, and interviews with open questions were used as instruments to see the attitude. Each teachers were given a questionnaire that is related to how the attitude of teachers toward mathematical problem solving and learning process on mathematical problem solving. After that the teacher Also was interviewed. Based on the research process, it can be concluded there are three categories of teacher attitude level toward mathematical problem solving and learning process about mathematical problem solving: good, very good, and excellent level. Keywords: attitude, Teacher, mathematical problems solving, Teaching, Learning PermaLink | Plain Format | Corresponding Author (Yulyanti Harisman)

85	ABS-85	Teaching and Learning in Science, Technology, Engineering, and Mathematics
Project-based Learning to Develope a Practical Laboratory KIT on the theme of cigarettes by Student to Increase 3H (Hands, Heads, and Hearts-on) Activity Nurhasanah Rahman, Nuryani Rustaman, Ahmad Mudzakir Universitas Pendidikan Indonesia Abstract Project-based learning (PjBL) is a learning model that involves students in problem-solving activities and peaks to produce realistic value-added products. KIT is one of the products that can be made by students by using PjBL to achieve 3H (Hands, Heads, and Hearts-on) activity. This study is about PjBL that student can make a practical laboratory KIT on the theme of cigarettes to increase 3H activity. The methode was quasi experiment with pretest posttest control group design. The reasearch subject of this study was VIII grade class consisted of 34 students in the experiment classroom and 35 students in the control classroom. The study revealed that the improvement of 3H activity in the experimental classroom was higher than in the control classroom. Based on questionnaires and interview results, the student gave positive responses towards making project such us an practical laboratory KIT using PjBL. Thus, PjBL could rise 3H activity which is better than students who do not use PjBL. This study is expected to be developed to be used on other themes than cigarettes. Keywords: project based learning, practical laboratory KIT,Hands-on, Heads-on, Hearts-on, PermaLink | Plain Format | Corresponding Author (Nurhasanah Rahman)

86	ABS-87	Teaching and Learning in Science, Technology, Engineering, and Mathematics
Enhancing reading skills of student related to science learning through using big book media A Saefuddin1, A Malik2, I R Maulidah1, M M Chusni2, A Salahudin1, Y Carlian1 1 Jurusan Pendidikan Guru Madrasah Ibtidaiyah, UIN Sunan Gunung Djati Bandung, Jl. A.H.Nasution No. 105 Bandung 40614, Indonesia 2 Prodi Pendidikan Fisika, UIN Sunan Gunung Djati Bandung, Jl. A.H.Nasution No. 105 Bandung 40614, Indonesia Abstract Reading skill is an active receptive language skill to get a message from the writer in the written variety. This research is based on the phenomenon reading skill of students in Madrasah Ibtidaiyah Bongas IV Cililin related to science including low category. This study aims to determine the enhancing reading skills of a student after applying Big Book media in science learning. The research method used is a pre-experiment design with one group pretest-posttest design. The subjects of this study are the third-grade students of Madrasah Ibtidaiyah Bongas IV Cililin selected by purposive sampling technique amounted to 22 people. Student reading skill is measured through multiple choice test and supporting instrument in the form of an observation sheet to know student and teacher activity in using Big Book media. The results showed that there was enhancing reading skill of student with normalized gain <g> including high category. Based on the paired sample t-test, using Big Book media in science learning can improve the reading skills of the student. The average results of observation sheet analysis in the book Big Book to improve reading skills of the student at every meeting good category. It can be concluded that the use of Big Book in science learning can be an alternative to enhancing reading skills of the student. Thus, Big Book media can motivate students to have a high read culture. Keywords: Reading skill, big book media PermaLink | Plain Format | Corresponding Author (Asis Saefuddin)

87	ABS-90	Teaching and Learning in Science, Technology, Engineering, and Mathematics
Students Ability in Solving Higher Order Thinking Skill (HOTS) Mathematics Problem Based on Learning Achievement Alfiyatu Rahmawatiningrum (a*), Tri Atmojo Kusmayadi (b), Laila Fitriana (c) a) Postgraduate Program, Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Sebelas Maret, Surakarta *rahmaalfi11[at]gmail.com b) Faculty of Mathematics and Natural Science, Universitas Sebelas Maret, Surakarta c) Faculty of Teacher Training and Education, Universitas Sebelas Maret, Surakarta. Abstract Higher Order Thinking Skill (HOTS) mathematics problem is non-routine mathematics problem that contains elements of analysis, evaluation, and creation. This research uses problem-solving based on Krulik & Rudnick to analyze students ability in solving HOTS mathematics problem with steps such as 1) Read, 2) Explore and Plan, 3) Select a strategy, 4) Find an answer, 5) Reflect and extend. The aims of this research is to describe students ability in solving HOTS mathematics problem with high, medium and low learning achievement . This research used the qualitative descriptive method, with research subjects consisting of 6 students of class VIII A SMP Negeri 1 Surakarta which selected using purposive sampling. Based on the findings, subjects with high learning achievement have the ability to solve a HOTS problem well, able to perform the problem-solving process correctly and with the correct answer. Subjects with medium learning achievement have the ability to solve HOTS problems with incorrect steps but can find the correct answer. Subjects with low learning achievement are only able to understand what is known in the problem, so unable to continue the next step and cant find the correct answer. Keywords: Higher Order Thinking Skill (HOTS), Learning Achievement, Mathematics Problem-Solving PermaLink | Plain Format | Corresponding Author (Alfiyatu Rahmawatiningrum)

88	ABS-91	Teaching and Learning in Science, Technology, Engineering, and Mathematics
Students Thinking Process Type of Non Routine Problems Based on Mathematical Ability in Senior High School Luthfi Nur Pamungkas (a*), Tri Atmojo Kusmayadi (b), Laila Fitriana (c) a) Postgraduate Program, Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Sebelas Maret, Surakarta *luthfi.nur.p22[at]gmail.com b)Faculty of Mathematics and Natural Sciences, Universitas Sebelas Maret, Surakarta c) Faculty of Teacher Training and Education, Universitas Sebelas Maret, Surakarta Abstract Mathematics will not escape the problem solving from a simple level to a high level. Problems given by the teacher affect the thinking process of students. Thinking processes occur when students are interested in collecting information based on initial thinking so as to identify problems, find solutions and succeed in solving them. There are two types of thinking processes that are predictive and functional types. The purpose of this research is to describe the thinking process of students in high school in problem solving with non routine problem. This research uses descriptive qualitative method. The research subjects consisted of grade XI students of SMAN 3 Boyolali, selected by purposive sampling. The results of this study showed that 6 students with details of 2 high-ability students, 2 medium-ability students, and 2 low-ability students. A moreover that 2 high-ability students and 2 medium-ability students used predictive thinking process type while 2 low-ability students used the functional thinking process type. It can be concluded that students with predictive thinking process type of mathematical ability is better than the type of functional thinking process. Keywords: Thinking Process, Type, Non Routine Problem, Mathemathical Ability PermaLink | Plain Format | Corresponding Author (Luthfi Nur Pamungkas)

89	ABS-92	Teaching and Learning in Science, Technology, Engineering, and Mathematics
Mathematical Reasoning of Student in Senior High School Based on Gender Differences Wilda Aulia Rokhima (a*), Tri Atmojo Kusmayadi (b), Laila Fitriana (c) a) Postgraduate Program, Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Sebelas Maret, Surakarta *wildaaulia94[at]gmail.com b) Faculty of Mathematics and Natural Sciences, Universitas Sebelas Maret, Surakarta c) Faculty of Teacher Training and Education, Universitas Sebelas Maret, Surakarta Abstract Reasoning is one of the goals of mathematics education. Reasoning related to mathematical concepts or information is called mathematical reasoning. The process of reasoning in the learning of mathematics is influenced by many factors, one of which is gender, especially in their way to solve mathematical problems and draw conclusion. This research aims to describe of student mathematical reasoning in senior high school based on gender differences. This study used descriptive qualitative method. Mathematical reasoning consist of knowing the problem, applying previously learned concepts, determining strategy, and draw a conclusion. This research has been conducted during the first semester of the academic year 2018-2019. The subject of the study consisted of two male students and two female students of SMA N 4 Pekalongan which selected using purposive sampling. The results show that male students think flexibly while the female students tends to follow the strategy given by the teacher. Female students tend to be more accurate than male students for drawing conclusions. Keywords: reasoning, mathematical reasoning, gender differences PermaLink | Plain Format | Corresponding Author (Wilda Aulia Rokhima)

90	ABS-93	Teaching and Learning in Science, Technology, Engineering, and Mathematics
Mathematics Problem Solving Based on Schoenfeld in Senior High School Students Dian Rizki Nuraini (a*), Tri Atmojo Kusmayadi (b), Laila Fitriana (c) a) Postgraduate Program of Mathematics Education, Universitas Sebelas Maret Jalan Ir. Sutami No. 36A, Surakarta 57126, Indonesia *dian0408.drn[at]gmail.com b) Faculty of Mathematics and Natural Sciences, Universitas Sebelas Maret Jalan Ir. Sutami No. 36A, Surakarta 57126, Indonesia c) Faculty of Teacher Training and Education, Universitas Sebelas Maret Jalan Ir. Sutami No. 36A, Surakarta 57126, Indonesia Abstract Mathematics has a very essential role in the mastery of science and technology. Mathematics has a goal to improve the ability in critical thinking, creative, analysis, and problem solving. This problem solving is one of the abilites that can improve mathematical knowledge. Problem solving becomes an important part of developing mathematics learning. Mathematics problem solving based on Schoenfeld consists of reading, analysis, exploration, planning, implementation, and verification. Mathematics problem solving focuses on students ability to analyze, solve problems, and justify the answer. The aims of the study is to describe students mathematics problem solving skills based on Schoenfeld. This research used the qualitative descriptive method. Subject in this study were 3 students of class XI SMA Negeri 1 Surakarta which selected using random sampling. The result of this study indicates that 2 students have mathematics problem solving skills better than the other. Based on the research, it can be concluded that students can solve the problem well but students have not been able to prove the answer obtained by looking for other methods of problem solving. Most students only use problem-solving strategies that are only taught in their school. Students do not try to explore other problem-solving strategies. Keywords: Mathematics; Problem solving; Mathematics problem solving based on Schoenfeld PermaLink | Plain Format | Corresponding Author (Dian Rizki Nuraini)

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