rd
THE 3 ANNUAL INTERNATIONAL SEMINAR ON TRANSFORMATIVE EDUCATION
AISTEEL
AND
EDUCATIONAL LEADERSHIP
Supported and Coordinated by:
Postgraduate School
State University of Medan
North Sumatera, Indonesia
Organized by:
Indexing By :
PROCEEDINGS
Emerald Garden Hotel, Medan - Indonesia
03-04 October 2018
Vol. 3, December 2018
Vol. 3, December 2018
2018
i
Proceedings of The 3
rdAnnual International Seminar on
Transformative
Education
and
Educational
Leadership
(AISTEEL 2018)
“
Education, Learning, and Leadership Innovation
”
Emerald Garden Hotel, Medan City, North Sumatera, Indonesia
October 3-4, 2018
Editorial Board
Editorial-in-Chief
Dr. Juniastel Rajagukguk, M.Si (State University of Medan, Unimed)
Deputy Editor
Dr. Saronom Silaban, M.Pd (State University of Medan, Unimed)
International Advisory Board / Scientific Committee
Prof. Dr. Kala Saravanamuthu (University of Newcastle, Australia)
Prof. Arjen EJ Wals (University of Gothenburg, Sweden)
Prof. Dr. Bornok Sinaga, M.Pd (Unimed, Indonesia)
Prof. Dr. Aytekin Isman (Sakarya University, Turkey)
Prof. Peter Charles Taylor, Ph.D., Med., B.Sc., Dip.Ed (Murdoch University, Australia)
Prof. Dr. Mukhlas Samani, Ph.D (Indonesia)
Prof. Dr. Jailani bin Md. Yunos (University Tun Hussein on Malaysia)
Prof. Dr. Nurahimah Mohd. Yusuf (UTM, Malaysia)
Assoc. Prof. Dr Pedro Isaias (University of Queensland, Australia)
Assoc. Prof. Elisabeth Taylor, Ph.D (Murdoch University, Australia)
Dr. Bambang Sumintono, M.Ed (Universiti Malaya, Malaysia)
Dr. Isma Widyaty, M.Pd (UPI, Indonesia)
Prof. Dr. Syahrul R, M.Pd (UNP, Indonesia)
Prof. Amrin Saragih, MA., Ph.D (Unimed, Indonesia)
Assoc. Prof. Ade Gafar Abdullah, M.Si (Universitas Pendidikan Indonesia)
Eng. Asep Bayu Dani Nandiyanto (Universitas Pendidikan Indonesia)
Prof. Dr. Hartono, M.Pd (Universitas Negeri Semarang)
ii
Proceedings of the 3
rdAnnual International Seminar on Transformative Education
and Educational Leadership (AISTEEL 2018)
Preface
The 3
rdAnnual International Seminar on Transformative Education and Educational Leadership
(AISTEEL 2018) was held in Emerald Garden Hotel, Medan City-Indonesia on 3-4 October 2018.
This seminar is organized by Postgraduate School, Univesitas Negeri Medan and become a routine
agenda at Postgraduate program of Unimed now.
The AISTEEL is realized this year with various presenters, lecturers, researchers and students from
universities both in and out of Indonesia participating in, the seminar with
theme “Education,
Learning and Leadership Innovation.”
The plenary speakers coming from various provinces in Indonesia have been present topics covering
multi disciplines. They have contributed many inspiring inputs on current trending educational
research topics all over the world. The expectation is that all potential lecturers and students have
shared their research findings for improving their teaching process and quality, and leadership.
The third AISTEEL presents a keynote speaker and 4 distinguised invited speakers from Australia,
Singapore, Taiwan, and Malaysia. In addition, presenters come from various Government and Private
Universities, Institutions, Academy, and Schools. Some of them are those who have sat and will sit in
the oral defence examination.
There are 326 articles submitted to committee, some of which are presented orally in parallel sessions,
and others are presented through posters. The articles have been reviewed by double blind reviewer
and 198 of them were accepted for published by Atlantis Press indexed by International Indexation.
Meanwhile 83 papers were published in online International Proceedings indexed by Google Scholar.
The Committees of AISTEEL invest great efforts in reviewing the papers submitted to the
conference and organizing the sessions to enable the participants to gain maximum benefit.
Grateful thanks to all of members of The 3rd Annual International Seminar on Transformative
Education and Educational Leadership (AISTEEL 2018) for their outstanding contributions. Thanks
also given to Universitas Negeri Medan for published this volume.
The Editors
iii
Table of Contents
Titles and Authors
page
Design of Physical Practicum Tools on Rotational Dynamics Matter with
Scientific Concept
1
Fretty Doharni Ritonga; Nurdin Bukit; Betty M.Turnip...
Analysis of the Leading Sector and Its Effect on the Economy in Pakpak Bharat
Regency
6
Dinar Melani Hutajulu; M. Nasir; Arwansyah
...Analyze the Characteristic and Factors Cause of Bullying Behaviours in Early
Childhood
12
Fadhilah Syam Nasution; Anita Yus; Aman Simaremare...
Play Finger Painting in Creative Art Model to Help Smooth Motoric
Development and Creativity of Group a in Kindergarten at Aek Loba Pekan
Village
18
Lola Wita Harahap; Sri Milfayetty; Rosmala Dewi...
Maintenance of Gayonese Kinship Terms by Gayonese Minority Migrants in
Jabodetabek
22
Desi Purnama Sari; Siti Aisyah Ginting; Berlin Sibarani...
Effect of Functional Training and TRX Suspension Training on Body
Composition member Golden Fitness and Spa
26
Rafliansyah; Nurhayati Simatupang; Albadi Sinulingga...
Interpersonal Metaphor Used in the Boss Baby Movie
29
Khairuni Syafitri; Siti Aisyah Ginting; Anni Holila Pulungan...
Speech Act in Indonesia Lawyers Club: KPK vs Novanto
32
Theresia Fransiska Sidabutar; Zainuddin; Busmin Gurning...
The Effect of Instructional Strategy and Style Ofthinking Secuential on Students
Outcome MAN Medan
36
Siti Aisyah Hanim; Tiur asih siburian; Darwin...
The Effect of Cooperative Learning Models and Self Efficacy on Student
Mathematics Learning Outcomes
39
Sabdo Puji Rahayu; Mukhtar; Keysar Panjaitan...
Ideational Grammatical Metahpor in Reading Texts for Senior High School
English Textbooks
43
Diemam Ferzhawana; Siti Aisyah Ginting; Zainuddin...
Effect of Soft Modification on Student Learning Results PAB 13 Kwala Begumit
Private Vocational School
47
Iskandar Fahmi...
Differences in Metacognitive Ability of Students Through Learning Realistic
Mathematics Education and Problem Based Learning in Pangkalan Susu Senior
High School
51
Chairi Mutia Lubis; Waminton Rajagukguk; Kms.M.Amin Fauzi...
Development of Interactive Learning Media Projection of Working Drawing on
Students of Class X TKR in SMK Markus 2 Medan
56
Irwan Panggabean; R. Mursid; Samsidar Tanjung...
Metaphor of Modality in Donald Trump’s Speech in
United Nation General Assembly 2017
60
Nursyah Handaya; Siti Aisyah Ginting...
Traditional Sport Of Silek Tuo In Minangkabau Community (a study of Silek tuo
iv
Prima Nanda; Sabaruddin Yunis; Agung Sunarn...
Improved Student’s Generic Science Skills With The Application of Cooperative
Learning Models Based on Batak Culture
66
Rika Sari Indah Harahap; Derlina; Rahmatsyah; Sahyar; Bornok...
Management Development Athletes of Shorinji Kempo North Sumatra Region
71
Arti Kurniaty Bangun...
Efforts to Improve Learning Results Free Basketball Shot (Free Throw) Through
The Application of Teaching Style Inclusion
75
Bob Rahmat Manalu... ...
Development of Egosan Engineering Extension Models with Straight Sticking in
Pencak Silat
77
William Filipus; Amir Supriadi; Tarsyad Nugraha...
The Development of Interactive Learning Media of Athletic on Physical
Education in SMP Negeri 15 Medan
81
Akhmad Khaidir; Budi Valianto; Tarsyad Nugraha...
The Effect of Learning Model and Self-Reliance Learning toward Science
Learning Outcomes
84
Rohima; Mukhtar; Samsidar Tanjung...
The Effect of Learning Method and Kinesthetic Perception on The Learning
Outcomes of Lay Up Basketball
88
Saiful Adrian; N
urhayati Simatupang; Suprayitno………....
Analysis Of Physical Education Teacher Management Skills In State Elementary
School Sub-District Medan Tembung
91
Syahrul Effendi Nasution; Amir Supriadi; Albadi Sinulingga...
Innovation Of The Speed Model Using Running With The Ball Techniques In
Football
95
Julio Roberto; Amir Supriadi; Novita... ...
The Development of Penetration Drill Training Technique of Wrestling Sport
99
Ihsan Idris Silalahi; Jan Bobby Nesra Barus...
Speech Function of Anies Baswedan’s
Speech in Approval Ceremony as the
Governor of Jakarta in the Period of 2017-2022
102
Ahmad Rifa’i Ritonga; Sumarsih
... ...
Development of Web-Based Learning Media to Enhance Writing Capability of
Biography Text of Student Class X SMA
105
Rencus B. Sinabariba, Tiur Asi Siburian, Mutsyuhito Solin...
Implementing the Teaching Supervision by Principals in Improving the
Performance of Teachers in Aceh Besar
109
Said Ashlan... ... ...
Female Principal Leadership
115
Hendro Widodo; Hengkang Bara Saputra... ...
The Ways of Rohingya Teenagers in Medan Realized Their Language Attitude
120
I Wayan Dirgayasa; Rahmat Husein; Lonni NurIffah Nasution...
Metaphor in Umpasa of Saurmatua Toba Batak Ceremony
124
Heppy Yersin Digita Purba; Rahmad Husein; Anni Holila Pulungan...
The Influence of Part Method, Whole Method and Determination Exercise
Methods on Improving Exercise in the Sports Branch of Pencak Silat Single Art
Category of College Students SPDKK (Art of Kencana Kwitang Self Defense)
Deli Serdang Year 2018/2019
127
Mawar Sari... ... ...
v
Philosophy
of Rakut Sitelu
Desi Haryati Nianggolan...
Evaluation of Implementation of Sustainable Professional Development (PKB)
for Junior High School Physical Education Teachers to Increase Professionalism
in Tebing Tinggi City
135
Mhd Fazar Afandi...
Development of Innovative PJOK teaching materials on floor gymnastics
materials to improve learning outcomes of Grade Students at Junior Hight School
138
Bangun Saragih...
The Influence of the Discovery Learning Model assisted with Image Media and
Motivation Against Civics Learning Outcomes of Students in Class IV of Public
Elementary Schools 055980 Aman Damai 2017/2018
142
Heryansyah Ginting; Dede Ruslan; Reh Bungana Br.Perangin-angin...
Development of science teaching materials based on Science Technology Society
(STM) and its influence on learning outcomes of fourth grade students of MIN
Medan Tembung
149
Diah Hafizhotul Husna; Nuraini; Ramlan Silaban...
The Improvement of Cooperative Learning Model Application Skill in Numbered
Head Together Through Clinical Supervision of Art Teacher in SDN 060886
Medan Baru
154
Unita Vitta Omas Sianturi; Martua Manullang; Rosmala Dewi...
Gold of North Sumatera Program Coach Performance
159
Suyono; Hariadi; Supryetno...
Transitivity Systems Analysis of Bilingual Civic 3 Education Textbook for Grade
XII
163
Jusup Sitepu; Anni Holila Pulungan; I Wayan Dirgeyasa Tangkas...
The Lecturer Performance Development of the STKIP Bina Bangsa Getsempena
Banda Aceh
169
Saiful Bahri...
The Interference of Batak Mandailing Language to Indonesian (In The Interaction
At The Seventh
Grade Students Of Madrasah Tsanawiyah Swasta Al-Azhar
Kabupaten Tapanuli Selatan Padang Sidimpuan)
175
Siti Jahria Sitompul; Abdurrahman Adisaputera; Sumarsi...
The Influence of Microbiology Dictionary and Microbiology Textbook
Utilization in the Contextual Learning Framework on Biology Students Higher
Order Thinking Skills
177
Kiki Rizqi Sahara; Hasruddin; Ashar Hasairin...
The Differences of Learning Style and St
udents’ Creativity to Students’
Achievement in Dribbling the Ball in Playing Football of Seventh Grade Students
of SMP Ar
–
Rahman Percut
180
Muammar Afif Marpaung; Imran Akhmad; Rahma Dewi...
Development of Gobag Sodor Game Model to Increase Interest in Elementary
Students
184
Siska Nova Undari...
The Influence of Research-Based Learning with Portfolio Assessment on Science
Process Skills in Microbiology Course for Biology Program Students
187
Saudah Rahmayanti; Hasruddin; Tumiur Gultom...
The Influence of Teaching Style and Confident Against the Results of a Study of
Shooting in the Game of Football (Experiment Studies the Self Check Style and
vi
Tembung Sabilina)
Muhammad Syaiful; Ramadhan Harahap...
Development of Mirror Writing Teaching Materials Based on Class XI Media
Literation of Lolomatua 1 State High School
195
Yanida Bu'ulolo; Biner Ambarita; Marice...
The Development of Teaching Materials for Technology- Assisted Procedure
Text in Vocational High School
197
Nova Andarini; Biner Ambarita; Malan Lubis...
Development of Adobe Flash Based Floor Gymnastics Media Learning on Health
Sport Education Lesson
201
Hardiansyah...
The Effect of Learning Approach and Linguistic Competence Capability Reading
The English Narative Text of Student SMA Negeri 6 Padangsidimpuan.
206
Sukriyah Batubara; Keysar Panjaitan...
……….
Analysis Effect of Household Consumption, Investment and Labor to Economy
Growth In Sumatera Utara
209
Richna Handriyani; Arwansyah; Sahyar...
Idioms Translation Strategies in Pasung Jiwa Novel English Version
213
Hariyanto; Amrin Saragih; Sumarsih...
Code Mixing in Novel: A Case of Indonesian Literary Work
216
Nurul Hidayanti Hasibuan; Amrin Saragih; Sumarsih...
Logico-Semantic Relation in Presidential Debate Between Hillary Clinton and
Donald Trump
221
Annisa Risma Khairani Lubis; Della Fransiska Ginting; Jumino Suhadi...
Semiotic Meanings in Cigarette Advertisement Texts
227
Rodearta Purba; Zainuddin; Amrin Saragih...
Modality as Hedging Device in the US Presidential Election Debate
232
Roobby Hamdanur; Anni Holila Pulungan; Zainuddiin...
The Improving Mathematical Communication Ability Through Realistic
Mathematical Approach Based on Toba Batak Culture
235
Aman Sanusi Siregar...
Speech Functions of Doctors and Patients on Medical Consultation Process
239
Resti Citra Dewi; Anni Holila Pulungan, Sumarsih...
The Development of Venturimeter Instrumentation in Dynamic Fluid
243
Zahrani Dalimunthe; Rahmatsyah; Derlina...
Lexical Metaphors in Onang-onang of Bobby and Kahiyang Tortor Dance
246
Siti Rahma Ritonga; Anni Holila Pulungan; Didik Santoso...
The Discourse Markers in President Joko Widodo’s Speeches in KTT APEC
China in 2015
249
Syahbuddin Nasution1; Busmin Gurning; I Wayan Dirgayasa Tangkas...
Preparation of Papers in Two-Column Format for AISTEEL Conference
Proceedings
Translator’s Strategies in Transferring Cultural Values in Ratatouille
Film
254
Femy Septiani; Anni Holila Pulungan...
Lexical Metaphor In Printed Car Advertisements
258
Misdiana; Siti Aisyah Ginting; Amrin Saragih...
Political Discourse Analysis of Donald Trump Political Speech
263
Elisa Silviani Siregar; Prof. Dr.Zainuddin, M.Hum; Prof.Dr. Sri MindaMurni,
MS... ...
vii
Nurliana Harahap; Mahendra Ginting Manik; Indah Listiana...
Appraisal of Healthy Product Advertisement on Television
274
Nurun Nazipah Harahap; Siti Aisyah Ginting; Rahmad Husein Napitupuluh...
Lexical Metaphor in Andrea Hirata’s “The Dreamer” Novel
277
Nurul Sa’adah; I Wy. Dirgeyasa; Siti Aisyah Ginting
...
Impoliteness Strategies Used by Governor Candidates of DKI Jakarta in Governor
Election Debate 2017
281
Sri Minda Murni; Busmin Gurning
……
...
Intertextuality in Travel Umroh Advertisement
287
Afifah Nurul Khoirot Nasution; Anni Holila Pulungan; Eddy Setia...
Intertextuality on Oral Discourse in Sari Matua Batak Toba Ceremony
290
Dyan Yosephin Hutagalung; Anni Holila Pulungan; Rahmad Husein...
The Effect of Mangosteen (Garcinia mangostana L.) Peel to Creatine Kinase
Serum in Male Rats (Rattus norvegicus) with Fatigue from Swimming
293
Rika Nailuvar Sinaga; Jumadin IP; Zulaini...
Analysis of Technology Utilization to Measure The Throw Distance of The Ball
on Hammer Throw
296
Riki Prastian; Agung Sunarno; Sabaruddin Yunis Bangun...
The Interactions of Social Stratification and Karonese Register in Giving Pedah
Pedah Perjabun
300
Elkana Putra Tarigan; Amrin Saragih; Siti Aisyah Ginting...
Implementation Management Training Volleyball Club of Pertamina Year 2017
305
Reza Wibowo; Sanusi Hasibuan; Budi Valianto...
Lexical Metaphor in Printed Car Advertisements
308
Misdiana; Siti Aisyah Ginting; Amrin Saragih...
Improving Students’ Reading Comprehension
Ability In Descriptive Text
Through Flashcard
309
Aisya Hartati...
The Role of Teacher’s Training Model and Technological Approach to the
Improvement of Teachers’ Professionalis
312
Intan Sufiah Batubara...
The Difficulties of Students at the Second Year of St.Thomas 3 Senior High
School Medan in Translating English Idioms into Indonesian
315
Fitri Susi Sinurat...
The Effect Of Applying The Great Wind Blows Strategy On The Students’
Vocabulary Mastery
321
Gisca Irdayana Lubis...
Attitude of Examiners in Thesis Convocation
325
Mara Sutan Siregar...
Politeness Strategies in Mandailing Wedding Ceremony
329
235
The Improving Mathematical Communication Ability
Through Realistic Mathematical Approach
Based on Toba Batak Culture
Aman Sanusi Siregar
The improving of mathematical communication ability through realistic mathematics approach based on Toba Batak culture is higher than students who are given regular learning, (2) there is no interaction between learning approach with Initial Ability of Mathematics (KAM) in improvement of students' mathematical communication ability. This research type is quasi experiment. This research was conducted at SMP N 2 Dolok Panribuan. The population in this study is all students of class VII. Based on the results of the analysis, the research results are obtained: (1) improving of mathematical communication ability through realistic mathematics approach based on Toba Batak culture is higher than students who are given regular learning, (2) there is no interaction between learning and student's early ability improving the ability of mathematical communication. Recommended by the teachers can use realistic mathematics approach based Batak Toba culture by presenting issues related to local culture as an alternative learning.Keywords: Mathematical communication ability, Realistic Mathematical Approach Based on Toba Batak Culture
I. INTRODUCTION
The virtue in learning mathematics is the learning process. "the learning process should provide many benefits for students so that they can develop their full potential" [6]. Through the process of learning mathematics can also develop the character of each student so that it produces productive, creative, innovative, and affective students through strengthening integrated attitudes, skills and knowledge. The end result is an improvement and balance between students' abilities and character.
It means that is basic math skills of students who have been formulated as follows: (1) mathematical communication, (2) mathematical reasoning, (3) mathematical problem solving, (4) mathematical connections , (5) positive attitudes toward mathematics [4].One ability that is very important to be considered in mathematics learning is students'
mathematical communication skills Mathematical communication skills need to be mastered by students because in the world of education can not be separated from the role of communication. Mathematical communication skills need to be the focus of attention in learning mathematics, because through communication, students can organize and consolidate their mathematical thinking and students can explore mathematical ideas
In fact students' mathematical communication skills are still not satisfactory. This can be seen from the low mathematical communication skills shown in the studies of obtained "the mathematical communication skills of students in class IX-1 of SMP Negeri 3 Labuhan Batu Upper Hulu is still low, because 13.33% of students class IX-1 which is able to explain mathematical ideas in writing with pictures, diagrams, tables or algebra and for categories of students able to express everyday language events or mathematical symbols as much as 26.76% " [11]. Likewise the results of other studies obtained that "students of class VII MTs have low mathematical communication skills, most of them only answer questions directly, unfocused and unthinkable [13].
There is another factor that allows influencing learning is the readiness and ability of students to take lessons is also determined by the initial ability of mathematics (KAM) owned by students. According that "the initial ability of students is the ability that has been possessed by students before participating in the learning that will be given". Early mathematical abilities (KAM) students are classified into high, medium and low groups. The initial ability of mathematics is a prerequisite that must be possessed by students in order to be able to follow the lessons well and smoothly [2].
236 "traditional lecture teaching style shows significantly high
student achievement". Traditional teaching has been going on for thousands of years, forming the minds of many ordinary scientists, workers and men and women. Traditional learning has become a proven method, but also has several disadvantages [9].
Although traditional learning is dominantly used in learning, the world of education currently prioritizes student activity. Mathematical learning today should connect mathematical concepts in school with their daily experiences. "Mathematics learning is too formal, lacks connection with meaning, understanding, and application of mathematical concepts, and fails to provide sufficient attention to reasoning and problem solving abilities" [4].
The learning gives an impression that is not good for students, because it can cause negative attitudes of students towards mathematics. "Mathematics learning is basically designed to provide continuous enjoyment and comfort for students without imposing anything on them" [3]. But with a teacher-centered approach, students only see mathematics as a set of rules and exercises that bring boredom. There is no benefit to learn mathematics in life because student activities only repeat the procedure or memorize without being given the opportunity to interact more with others, this can give the impression that mathematics is a memorization not to learn to work alone.
One approach to learning that can improve mathematical communication skills and student learning independence is Realistic Mathematics Education (PMR). Student learning processes will only occur if the knowledge learned by students will be meaningful to the students themselves [12]. A realistic mathematical approach is a learning approach that departs from the 'real' things for students, emphasizing skills, discussing and collaborating, arguing with classmates so that they can find themselves and ultimately use mathematics to solve problems both individually and in groups. In this approach the role of the teacher is nothing more than a facilitator, moderator or evaluator while students think, communicate ideas / ideas, practice the nuances of democracy by respecting the opinions of others.
The compatibility between the curriculum and PMR in terms of the objectives of learning mathematics in schools needs to be integrated with the cultural context. Mathematical education must be based on national culture Education is part of culture, education and culture have a reciprocal influence. If culture changes maybe education will also change. Cultural context can be used as a tool for learning to motivate students to apply mathematical concepts, work in groups, and perceived linkages between various subjects [7]. Thus it is possible to have a local cultural context in mathematics learning, meaningful learning process will occur as expected. Here it appears that the role of education in developing culture is very large. So that education and culture are one unit that is very important and cannot be avoided in everyday life. One of the cultures associated with education, especially in mathematics subjects is the Toba Batak culture.
the purpose of this study, the problems were studied in this research was how to improve students' mathematical communication skills and learning independence through a realistic mathematical approach based on Toba Batak culture.
II. RESEARCH METHODS
This type of research is quasi-experimental research. This research was conducted in SMP N 2 Dolok Panribuan the second semester of the 2017/2018 academic year. In this study sample selection conducted using cluster random sampling technique. Cluster random sampling, in this sampling, the population is divided into several groups or clusters. Randomly needed clusters were taken by randomization process. Each member in the randomly drawn clusters is the required sample [7]. Based on information from the principal of Dolok Panribuan 2 Public Middle School that all seventh grade students at SMP Negeri 2 Dolok Panribuan have been distributed / divided into each class with even abilities. Which means there are no special classes for smart students
Based on random sampling from 9 grade VII students at ordinary approach. Each number of students in the two classes is 32 students. As for the research design used in this study is the pretest-posttest control group design. Data analysis techniques used are analysis of variance (ANOVA).
III. RESEARCH RESULTS
Pretest is done to determine students' abilities before applying realistic mathematical approaches based on Toba Batak culture and the usual approach. Based on the pretest with 10 items obtained in the class realistic mathematics approach based on Toba Batak culture as many as 32 students, there were 7 students who had high ability, 20 students had moderate ability, and 5 students had low ability. Likewise, in the regular approach class there were 32 students, there were 4 students who had high abilities, 22 students had moderate abilities, and 6 students had low abilities. Before the data were analyzed, the normality of the data was tested using chi-square test and homogeneity test used Fisher's homogeneity assumption (Test-F) as a condition of qualitative analysis. The results obtained that the two classes come from populations that are normally distributed and homogen.
237
(Learning Models) 91,790 91,790 4,399
4,000 realistic mathematical approach based on Toba Batak culture rather than students who are given learning through the usual approach. Then from table 1 above also shows that the value of ) = 0,728 < Ftabel = 4,000 thus H0 is accepted. So it can be concluded that there is no interaction between the learning approach and the initial ability of mathematics to students' mathematical communication. This result can also be described through the following figure I:
Fig 1 Interaction between Learning and KAM on Student Mathematical Communication Improvement
IV. DISCUSSION
Based on the results of the above research, then the discussion in the study is :
A. Mathematical Communication Abity
Based on the results of the study obtained the average pretest results Mathematical communication skills in the experimental class, namely classes that use mathematics with a realistic approach based on the Toba Batak culture of 14.00 in the control class, namely classes that use regular learning by 14.156. In addition, the average posttest of mathematical communication skills in the experimental class is 17.625, while in the control class is 15.438. This shows that there is an improve in mathematical communication ability in the experimental class and control class.
To measure the magnitude of the improvement of communication skills carried out with the gain index in the experimental class and control class and find the average test results from the index of communication ability in the
experimental class is 0.427 while in the control class is 0.24 The level of communication ability in the experimental class is higher in the class control.
In learning activities, students who have mathematical communication ability can help other students who have problems understanding the subject matter. The results obtained in this study indicate that mathematics learning with a realistic mathematical approach based on Toba Batak culture can improve the mathematical communication skills possessed by students.
The results of the study were carried out with the results of research conducted by the title of the research to improving problem solving and communication mathematical ability through the learning of realistic mathematics education for students of state junior high schools in Garut. Thus, based on the results of the study, it was found that the first and the first problem, namely improving the communication ability of students who were taught using a mathematical approach with a better approach than usual [1].
B. Interaction between Learning Models with Students 'Initial
Mathematical Abilities towards Improving Students' Mathematical Communication Ability
Based on the average difference, it can be seen that students with low categories gain greater benefits from problem-based learning with the difference in high KAM scores (0.16), medium (0.11) and low (0.36). In this case, 'initial mathematical abilities has no effect on improving students' mathematical communication ability, because students with low 'initial mathematical abilities categories have a greater increase than 'initial mathematical abilities in the high and medium categories. So there is no interaction between learning and students 'initial mathematical abilities towards students' mathematical communication.
Before carrying out the research, the researcher suspected that there was an interaction between the learning model and the students 'initial mathematical ability to improve students' mathematical communication ability, so the researchers hypothesized that there was an interaction between the learning model and the students 'initial mathematical ability to improve students' mathematical communication ability.
However, the results obtained in the study indicate that there is no interaction between the learning model and the students 'initial mathematical ability to improve students' mathematical communication ability. This is known from the results of the two-way ANAVA test obtained from the significance value of 0.902 greater than the significance level of 0.05. So it can be concluded that in this study there is no interaction between learning (PMRBBBT and PB) with the level of initial ability of students (high, medium and low) to improve students' mathematical communication ability.
238 Thus, based on the results of research and discussion, it
was found that the formulation of the second problem was answered and the second hypothesis was rejected, namely there was no interaction between the learning approach and the students 'initial mathematical ability to improve students' mathematical communication ability.
V. CONCLUSION
The conclusions that can be presented in this research are as follows:
1. The improving of 'mathematical communication ability and students self regulated learning taught through a realistic mathematical approach based on Toba Batak culture is higher than the improving of students' mathematical communication taught through regular learning
2. There is no interaction between the learning approach and the students 'initial mathematical abilities towards improving students' mathematical communication ability and regular learning.
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