Indonesia Conference Directory

Corresponding Author
Ahmad Fauzi

Institutions
English Applied Linguistics Study Program
Postgraduate School
Universitas Negeri Medan, Indonesia

Abstract
In teaching reading, teaching strategy and reading interest influences students reading comprehension. It can be used as a variation of teaching strategy in teaching reading comprehension of Recount text. The purpose of this study is to find out the effect of using Listen Read Discuss (LRD) and Reading Encode Annotate Ponder (REAP) strategy and students reading interest on reading comprehension achievement of Recount text. The researcher here needs to find whether LRD or REAP strategy is more effective in teaching and learning process, especially in teaching reading comprehension. Reading comprehension is constructing meaning that is reasonable and accurate by connecting what has been read to what the reader already knows and by thinking about all of this information until it is understood. Recount text is a text with a purpose to retell the readers about something which happens in the past time through a sequence of events. The technique of analyzing the data applied in this study is quantitative data. The quantitative data are taken from the tests. The validity of the instrument is measured in terms of content and constructs validity. The sample of this study is eighth students of Junior High School.

Keywords
teaching, LRD, REAP, reading comprehension, recount text

Topic
Teachers Education Model in Future

Link: https://ifory.id/abstract/zntdpeujMJCN

Corresponding Author
Aminah Ari Fadhila

Institutions
a) English Applied Linguistics Study Program
Postgraduate School
Universitas Negeri Medan, Indonesia
*aarifadhila[at]gmail.com

b) Universitas Negeri Medan, Indonesia
anniholilapulungan[at]gmail.com

c) Universitas Negeri Medan, Indonesia
rhnapitupulu[at]yahoo.com

Abstract
Cooperative Principles which was proposed by Grice consist of a set of maxims which are fundamental to establish effective communication. However, people tend to fail in observing certain maxims. This paper is aimed to describe the types of flouting maxims in courtroom, specifically in Administrative Court since people in the courtroom have their own purposes and needs related to the case, they tend to produce flouting maxim to get what they want. Descriptive qualitative research will be applied in this research. The data in this research will be clauses which consist of flouting maxims in the courtroom of Administrative Court. The source of the data will be taken from the courtroom of Administrative Court. The recorded cases will be about land affairs and employment, because cases which handled by Administrative Courts are those kinds of cases. The data will be collected through observation, video-recording, transcribing, sorting, enlisting, and arranging the obtainable data systematically. The data will be analysed by using Theory of Maxim which was proposed by Grice (1975) as the guidance to select the appropriate data in this study.

Keywords
cooperative principles, maxim flouting, courtroom, Administrative Court

Topic
Social,Language and Cultural Education

Link: https://ifory.id/abstract/7x6JunPRdFHh

Corresponding Author
meli rama yunita

Institutions
Postgraduated Program of State University of UNIMED

Abstract
This study aimed to describe how: 1) the validity, practicality and effectiveness of learning materials using problem based learning, and 2) the improvemet of visual thinking ability and self afficacy against mathematics by using the learning materials. This type of research is development research. Development model used promblem based learnings development model which consist of ten steps. The research resulted products are lesson plan, teachers book, students book, students worksheet, tests visual thinking and self efficacy questionnaire. The first trial took place in class VII 1 and the second trial in class VII 2 SMP swasta RGM Besitang. Result of these research showed that : 1) learning materials were valid, both in content and construct validity, 2) learning materials were practical to be used, reviewed from validators assessment and students positive responses, 3) learning materials were effective, reviewed from mastery of learning and students activity and students positive responses, 4) increasing of students visual thinking ability was on medium category and 5) there was increase in students self efficacy against mathematics of trial 1 to trial 2.

Keywords
Developing Learning Materials, Problem Based Learning, Visual Thinking Ability, Student Self Efficacy

Topic
Curriculum, Research and Development

Link: https://ifory.id/abstract/XmFytRTCZgv4

Corresponding Author
NURUL HASANAH

Institutions
a) English Applied Linguistics Study Program
Postgraduate School
State University of Medan, Indonesia

b)English Applied Linguistics Study Program
Postgraduate School
State University of Medan, Indonesia

c)English Applied Linguistics Study Program
Postgraduate School
State University of Medan, Indonesia

Abstract
Language is a reflection of speakers. A person can guess the identity such as the origin, character, or behavior of the interlocutor of the language he uses. Gender affect the use of language, both oral and written language. As Lakoff said that male and female groups have different linguistic characteristics. As an essential skill in learning English, writing involves the application of grammar and sentence pattern, vocabulary, or diction and cross cultural understanding. It can be said that writing ability is someone capability to express their idea in the form of written representasion. Narrative is a fundamental language process for learning how to give an opinion of a story, write about a story and imagine thinking of student. By writing narrative text, they know how to express their opinion. The question is do male and female students also use language differently in writing. In line with this idea, the objective of this study is to investigate the linguistic form of narrative text written by male and female students. The use of language features proposed by Lakoff 1975, such as, empty adjectives, hedge, intensifier, hypercorrect grammar super polite form, tag question and emphatic stress, even though the characteristics of color words and question intonation have not been found in the characters utterances. The data of this study will be gathered by sentences in narrative text written male and female students. They are students in Senior High School to write a topic given about their experience .

Keywords
linguistic characteristics, gender, writing, narrative

Topic
Social,Language and Cultural Education

Link: https://ifory.id/abstract/KzXnRwaAkxLu

Corresponding Author
Andes Martua Harahap

Institutions
Program Pascasarjana, Universitas Negeri Medan, Pendidikan Olahraga

Abstract
This study aims to produce learning media for Adobe Flash-based Basketball Games in Health Sports Physical Education Subjects in High Schools / Vocational / Islamic Senior High School/ Equivalent. This research is research and development which is analyzed using qualitative methods. Determination of subjects in this study was conducted purposively. The informants in this study were the teachers of Physical Sports Education in the State High School / Vocational School / equivalent in Percut Sei Tuan Subdistrict, Deli Serdang Regency, which amounted to 7 (seven) people, and XI grade students from 3 (three) schools totaling 50 ( fifty) people. Data collection is done by examining all data collected from various sources, namely product design and validation, questionnaire, observation and documentation. Data analysis is done by collecting data needed in the development and use of Adobe Flash interactive multimedia-based learning media. The results of this study are the creation of Adobe Flash interactive multimedia-based learning media that can be used easily by teachers and students in understanding the material of Basketball games.

Keywords
Research and Development (R & D), Interactive Multimedia, and Basketball

Topic
Curriculum, Research and Development

Link: https://ifory.id/abstract/k3JVqApd2M6T

Corresponding Author
Netty Zakiah

Institutions
Pasca Sarjana Unimed , Pendidikan Olah Raga.

Abstract
Netty Zakiah The author is a Postgraduate Program Student at Medan State University Physical Education Study Program Email: nettyzakiah1234@gmail.com ABSTRACT This study aims to determine the process of implementation and effectiveness of the implementation of the evaluation of teaching and learning Physical Sports and Health Education Subjects (PJOK) in the 2013 Curriculum in Medan City in the Academic Year 2018/2019. This study uses quantitative data analysis techniques and qualitative data analysis techniques (Mix Method). Determination of subjects in this study was conducted purposively. The informants in this study were the PJOK teachers in the State Islamic Senior High School in Medan City, which numbered 6 (six) people, XI grade students from 3 (three) schools totaling 50 (fifty) people, and 3 principals (three) people. Data collection is done by examining all data collected from various sources, namely; giving questionnaires, observations, and documentation. Data analysis was done by collecting data through research instruments validated by experts, and research triangulation techniques to check the validity of the data found from the interviews between researchers and informants. The results of this study indicate that the assessment process and the implementation of PJOK subject assessment in the implementation of the 2013 Curriculum in MAN in the city of Medan in the Academic Year of 2018/2019 run smoothly with several obstacles.

Keywords
Learning Evaluation, 2013 Curriculum, Sports Physical Education, and Health.

Topic
Curriculum, Research and Development

Link: https://ifory.id/abstract/v9t7GTxWf42z

Corresponding Author
Dody Yogaswara

Institutions
Program Pascasarjana, Universitas Negeri Medan, Pendidikan Olahraga

Abstract
In general, the purpose of this study was to determine the increase in the ability of futsal athletes from Speed Light devices with the implementation of SAQ (speed, agility and quickness). This research is experimenting on existing products from the results of development. The subjects in this study were Medan Regional AAFI Futsal Athletes. To test the effectiveness of the speed light tool with the implementation of SAQ, it can be seen from psychomotor data. The effectiveness of the old training is 66% of the expected criteria. While the effectiveness with the new SAQ is 76% of the expected criteria, meaning that it has increased by 10%. Based on this study it can be concluded that: (1) the implementation of Speed light with SAQ can improve the ability of futsal athletes, (2) the implementation of Speed light with SAQ is more effective and efficient so as to increase students interest and motivation in training

Keywords
speedlight, SAQ, futsal

Topic
Curriculum, Research and Development

Link: https://ifory.id/abstract/NcWyVaGPFHKX

Corresponding Author
SADDAM SYARIF NASUTION

Institutions
UNIVERSITAS NEGERI MEDAN

Abstract
ABSTRACT This research was carried out to investigated the varieties sentences produced by the first grade students. The objectives of the research is to find out and describe the sentences by the the first grade students. The subject of the research is 16 students of the first grade students at SD Negeri 112131 Rantauprapat. This research was focus to the kinds of sentences that always uttered in communication based on Greenbaum and Nelson (2002). They are declarative sentences, interrogative sentences, imperative sentence and exclamation sentences. Descriptive qualitative was used in this research. The instrument of this research was observation by recording using mobile phone.

Keywords
The sentence, the varieties of sentence

Topic
Social,Language and Cultural Education

Link: https://ifory.id/abstract/bvKZFTuntJ7w

Corresponding Author
Fajar Sukma Harsa

Institutions
State University of Medan
Postgraduate, Mathematics Education Programme

Abstract
Spatial ability supports the results of student mathematics learning especially on geometry topics related to shape and space. The purpose of this study was to look at the quality of the development of learning media assisted by Adobe Flash based on cooperative learning to improve spatial ability of students. This study is development research using 4-D model (define, design, develop, and disseminate) in two classes of 30 students at Secondary School at Chandra Kumala Deli Serdang and it has two trials for the developing step. The quality of development is assessed from several aspects, namely validity, practicality, effectiveness of media development and increasing the value of spatial abilities. The results showed that the media development validity score was 2.89 (criteria valid). Practicality has met the practical criteria reviewed by the teacher questionnaire with an average score of 2.65 in trials I and 2.98 in trial II, and responses of students with an average score of 2.75 in trials I and 2.85 in trial II which means good responses. Effectiveness fulfills the effective criteria, namely in terms of the completeness of student learning classically has reached 86.7% in the trial II (in the trial I only 76.7%) and the use of research time according to the implementation plan of learning. Whereas N-gain increases the spatial ability of students using learning media developed in trial I in the low category with a score of 0.13, but in the moderate category with a score of 0.34 in the trial II. Furthermore, the average value increased from the first trial of 71.32 to 77.13 in the second trial.

Keywords
Spatial, Developments, Adobe Flash, Media

Topic
Mathematics,Science and Nursing Education

Link: https://ifory.id/abstract/9FVDneqQHvJB

Corresponding Author
Angeline Viska Ayu Rosalia

Institutions
(1) Magister of Chemistry Education Study Program, Postgraduate School, Universitas Negeri Medan, Medan 20221, Indonesia
Panjaitangie17[at]gmail.com, Kemenyan 2 No. 18 Street Medan 20141, +6282165287465

(2) Departement of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia
muchtar.zai[at]gmail.com

Abstract
The goal of this research was to know the gain of student achievement that taught by using dubido. The research has been done in Chemistry Educational Study Program in Unimed. The experimental class was given treatment with teaching by using dubido media based on contextual. The experimental class has fulfilled the requirement for normality and homogenity test. The mean of pretest results and posttest results were 36.615 and 82.769. The increase of posttest results indicated that learning by using dubido based on contextual can improve students achievement. The increase of students achievement signed by percent of gain with the value of gain percent was 74. The result of t test was obtained from tcount is more than t table (2.038 is more than 1.671) at a is 0.05, it means that the implementation of dubido based on contextual was given positive effect to increase students achievement.

Keywords
Contextual, Dubido, Electrochemistry, Students Achievement

Topic
Mathematics,Science and Nursing Education

Link: https://ifory.id/abstract/vYGajZkULnNF

Corresponding Author
Aswin Bancin

Institutions
State University of Medan

Abstract
Aswin Bancin, Educational Model Based on Life Skills: A Meta-Synthesis The problems that will be examined in this study are (1) How the Concept of Education Based on Life Skills (2) How Education Management Based on Life Skils (3) How the Education Management Model Based on Life Skills and (4) How the results of Education Management Based on Life Skills are applied both general skills and specific life skills. This research was carried out in the form of Meta-synthesis, also referred to as Systematic review, a research method to identify, evaluate and interpret the results of similar studies to answer research questions, specific topics or phenomena that are of concern. From such data will be identified, analyzed and interpreted to produce conclusions. In this study the author will conduct a meta-synthesis (identifying, evaluating and interpreting) 20 research journals based on Life Skills Education, so that the authors get new concepts or deep new insights about Life Skills-Based Education Models. The author will conclude a lot of information from 20 journals that may conflict with each other or support each other which then can increase the strength of the authors analysis, overcome uncertainties and also be able to answer questions about the life skills education model proposed in previous studies.

Keywords
Educational, Life Skills

Topic
Education and Research Global Issue

Link: https://ifory.id/abstract/kLxvtJP37bAF

Corresponding Author
Khairani -

Institutions
1) Educational Technology, Postgraduated Program, State University of Medan, North Sumatera, Indonesia
2) State University of Medan
*Corresponding author: armiskhairani[at]gmail.com

Abstract
Abstract This research and development aims to: (1) Produce learning games for educational games Ludo Word Game based on literacy that worthy to use (2) know the effectiveness educational game learning media Ludo Word Game based on literacy that developed on German learning in improving student learning result. This study belongs to a research and development which uses the R&D model by Borg and Gall. The result of this study shows that: (1) the assessment of German instructional material experts is in the criteria of very good, (2) the assessment of media experts is in the criteria of very good, (3) the assessment of individual trial is in the criteria of very good, (4) the assessment of small group trial is in the criteria of very good, and (5) the assessment of field trial is in the criteria of very good. The result of hypothesis testing proves that there is a significant difference between the students learning outcome who were taught with educational game learning media Ludo Word Game based on literacy in German learning and the students learning outcome who were taught with book. It is pointed by the result of data processing in which tcount = 3.03 while ttable = 1.99. The result is t count > t table. Then, it can be concluded that the students learning outcome who were taught with the interactive instructional media based on behavioral perspective to improve the German skills of the Senior High School Students grade X with the effectiveness of 88.73% is higher than the students learning outcome who were taught with book with the effectiveness of 81.63%.

Keywords
educational games ludo word game based on literacy, german learning

Topic
Education and Research Global Issue

Link: https://ifory.id/abstract/6Gex9L4ADEBT

Corresponding Author
WIDYA IRFANI

Institutions
(1) Magister of Chemistry Education Study Program, Postgraduate School, State University of Medan, Medan 20221, Indonesia
(2) Department of Chemistry, State University of Medan, Medan 20221, Indonesia
Corresponding Author : Nurfajriani[at]unimed.ac.id

Abstract
This study aims to determine ICT based Lectora Inspire media as learning media for electrolyte and non-electrolyte solutions in high schools according to national education standards board. To achieve the objectives, research development was conducted referring to ADDIE modified model. The feasibility of the media was assessed using non-test instrument with likert scale 1-4 by expert validators consist of chemistry lecturers and teachers, and data was processed using descriptive statistics. The results show that an innovative ICT learning media based on lectora inspire can be used for teaching electrolyte and non-electrolyte solution material in high school class X and Innovative ICT based on lectora inspire media for electrolyte and non-electrolyte solutions obtained, had been very feasible score referring to the national education standards board, which indicated by content feasibility 3.66, language feasibilty 3.89 and presentation feasibility 3.94.

Keywords
Lectora Inspire, ICT, Electrolyte and Nonelectrolyte Solutions

Topic
Curriculum, Research and Development

Link: https://ifory.id/abstract/xEXwCUumNdyT

Corresponding Author
Pratiwi Bernadetta Purba

Institutions
1.State University of Medan, Medan
e-mail: pratiwipurba1990[at]gmail.com
2.State University of Medan, Medan
3.State University of Medan, Medan

Abstract
The aims of this research are to acknowledge the effect of problem based learning model and cooperative learning model jigsaw type on creative thinking skills and the interaction between learning model and learning motivation on students creative thinking skills. The kind of this research is quasi experiment research. The population of this research was the 7th grade students of SMPN2 Percut Sei Tuan. Then, the sample was taken by using random sampling method, with VII-3 were chosen as experiment 1 class and VII-4 as experiment 2 class. The experiment 1 class was treated by using problem based learning model while the experiment 2 class was treated by using cooperative learning model jigsaw type. The result of this research shows that: students creative thinking skills was taught by problem based learning model higher than students creative thinking skills was taught by cooperative learning model jigsaw type and there is interaction between the learning model and the learning motivation on students creative thinking skills. Students with low learning motivation are better taught by cooperative learning model than problem based learning and students with high learning motivation are better taught by problem based learning than cooperative learning model.

Keywords
creative thinking skills, problem based learning model, cooperative learning model jigsaw type, learning motivation

Topic
Mathematics,Science and Nursing Education

Link: https://ifory.id/abstract/ac8E7juArF6m

Corresponding Author
Erika Siska Yolanda Siagian

Institutions
(1) Magister of Chemistry Education Study Program, Postgraduate School, Universitas Negeri Medan, Medan 20221, Indonesia
drrsilabanmsi[at]yahoo.co.id, Vetpur Raya III Street, Medan 70312, +628115570790

(2) Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia

Abstract
This study aims to obtained ICT based Lectora Inspire media as learning media for buffer solution in high school class XI and to determine the feasibility of ICT based Lectora Inspire media according to national education standards board. This study uses research development method with Borg&Gall modified model. The feasibility of media was assessed descriptively based on assessment score from expert validators consist of lectures and chemistry teachers. The results show that (1) ICT based lectora inspire learning media has been obtained as learning media for buffer solution in high school class XI, (2) The approval results from expert validator shows content feasibility score 3.87, language feasibility 3.78, and presentation feasibility 3.73, thus ICT based lectora inspire learning media is feasible to be used as learning media in accordance with national education standards board.

Keywords
Buffer Solutions, ICT, Lectora Inspire

Topic
Curriculum, Research and Development

Link: https://ifory.id/abstract/KCApuTW7Ftvb

Corresponding Author
Nuraini Nuraini

Institutions
(1) Department of Chemistry Education on Postgraduate Program, State University of Medan, Indonesia.
(2) Lecturer in Department of Chemistry Education on Postgraduate Program, State University of Medan,
Indonesia.
(3) Lecturer in Faculty of Agriculture, University of Medan Area,
Indonesia.

Abstract
A standard learning material can be designed as a learning media to facilitate the learners with complete information from the right sources and can be accessed anytime and be able to facilitate the learner to learn independently. This research was aimed to provide a multimedia Lectora Inspire integrated Problem Based Learning (PBL) on carbohydrate topic to be used as a learning media in the teaching and learning activities for Program Study Agrotechnology Students in UMA. This research type was Research and Development method that used ADDIE. Development of multimedia lectora inspire integrated PBL in the experimental class I while the learning media that used in Program Study Agrotechnology was used in the experimental class II. Data were analyzed using descriptive method and statistical analysis with independent sample t test. The experimental class has fulfilled the requirement for normality and homogenity test. The results showed that: (1) learning media by used in Program Study Agrotechnology on carbohydrate topic is feasible to used but needs to be developed; (2) multimedia that have been developed by using Lecora Inspire integrated PBL on carbohydrate topic is very feasible to used and appropriate to the standard SNPT integrated feasibility of media computer interactive and PBL (3,75; 3,48; and 3,38); (3) students achievement in experimental class I was found higher than that in experimental class II (0,74 > 0,64).

Keywords
agrotechnology, carbohydrate, lectora inspire, multimedia, problem based learning.

Topic
Curriculum, Research and Development

Link: https://ifory.id/abstract/3EQ2wmGWaq8H

Corresponding Author
Syahana Nur-Ain Saharudin

Institutions
Faculty of Computer Science and Information Technology, University Putra Malaysia, Serdang, 43400 Seri Kembangan, Selangor, Malaysia

Abstract
For the past several decades, user involvement has been considered as the main factor to lead to user satisfaction, which plays a vital role in system success. The objective of this paper is to explore the challenges or risk expected when involving user in development phase, to define the characteristic of user when involved in development phase, and to define the quality of user participation in order to contribute to system success. We have conducted a case study of software development project and collected qualitative data using questionnaires and open-ended interviews. The result based on the case study and qualitative data showed that several challenges of involving user in the development process. The case study data analysis also revealed that user-s feedback significantly contributes to the system success. Knowledgeable users and valid feedback are essential elements of user involvement through the software development process. The project team also need to manage the challenge or risk properly and know how to handle them in order to avoid any complication during the development process.

Keywords
user involvement, software development, case study, healthcare

Topic
Management, Organization, Leadership and IT

Link: https://ifory.id/abstract/m743BcwPLbeJ

Corresponding Author
Luqman Naufal Chairuasni

Institutions
a) Department of Oceanography, Faculty of Earth Sciences and Technology, Bandung Institute of Technology – Indonesia
*luqmanaufal[at]gmail.com

b) Department of Earth Sciences, Faculty of Earth Sciences and Technology, Bandung Institute of Technology – Indonesia

c)Research Group of Oceanography, Bandung Institute of Technology - Indonesia

Abstract
The Lombok Strait that located between the island of Bali and Lombok is one of the seas in Indonesia that connects the Pacific Ocean and the Indian Ocean. Therefore, the characteristics of the Lombok Strait waters get influence from those oceans. In this research, the analysis of water masses in the Lombok Strait waters are investigated and analysed by using TS diagram. The main data used are temperature and salinity from the HYbrid Coordinate Ocean Model (HYCOM) model in 2011 – 2015 with 1/12 x 1/12 degree horizontal resolution and vertical resolution up to 1500 m. The TS diagram was used to identify water masses contribution in the Lombok Strait and the ocean heat content was calculated for each water masses. The Timor Sea Water (TSW) and Australasian Mediterranean Water (AAMW) contributed maximumly in thermocline layer with 65,85% of the total heat content (1,12 x 10^13 J/m2) and 24,46% (4,16 x 10^12 J/m2) in a row. Then, The Antartic Intermediate Water (AAIW) and Banda Intermediate Water (BIW) contributed maximumly in intermediate layer (500 – 1500 m) with 8,17% of total heat content (1,39 x 10^12 J/m2) and 1,52% (2,59 x 10^11 J/m2). In addition, each water masses influenced by El Nino Southern Oscillation (ENSO) and Indian Ocean Dipole (IOD). The ocean heat content of TSW and BIW increased when El Nino and positive of IOD appeared and decreased during La Nina and negative of IOD. Conversely, The ocean heat content of AAMW and AAIW decreased when El Nino and positive of IOD appeared and increased during La-Nina and negative of IOD

Keywords
Water Masses; TS diagram; Ocean Heat Content; El Nino Southern Oscillation (ENSO); Indian Ocean Dipole (IOD)

Topic
Coastal and Ocean Dynamics

Link: https://ifory.id/abstract/p8R4PAJ6bBun

Corresponding Author
Sri Redjeki Pudjaprasetya

Institutions
Industrial & Financial Mathematics Research Group, Institut Teknologi Bandung

Abstract
In a disaster event, the impact of the tsunami is measured based on wave height along the coast. During its propagation towards the coast, tsunami wave that develop in the ocean will be amplified due to shoaling. The elevated waves that struck residents in Palu Bay were very severe, far exceeding predictions. Recent research shows that the strike-slip earthquake on 28 September 2018 (Mw 7.5) along the Palu-Koro fault caused several landslides in Palu Bay, which then triggered a significant tsunami wave. Closer investigation, the extreme height of tsunami in Palu Bay was due to geographical factors such as narrowing of the bay, and the presence of a bump in the mouth of the bay, both of which have the same effect, namely wave focusing. Our study here is focused on the effect of bathymetry on wave focusing in bays. The momentum conservative scheme with wet-dry procedure was implemented here to solve the 2-dimensional shallow water model. The scheme is validated via simulation of wave amplification in an (idealized) parabolic bay, to be compared with the existing analytical solution. Next, wave amplification due to a bump on a flat topography will be evaluated. Finally, wave amplification in the mouth of Palu Bay using real topography will be assessed.

Keywords
shallow water equation, tsunami landslide, wave focusing, wave shoaling

Topic
Coastal Degradation and Coastal Hazard

Link: https://ifory.id/abstract/ukQCNxUMjF7W

Corresponding Author
sandra sukma embuningtiyas

Institutions
Airlangga University

Abstract
Abstract. Sustainability reporting is a model of reporting company”s informations to stakeholders that integrates several reports, namely financial, social, and environment which are integrated in one reporting package. The purpose of sustainability reports is to provide information to stakeholders that the company does not merely prioritize aspects of profit, but also pay attention to social factors and environmental sustainability. This study aims to investigate whether disclosure of sustainability reporting on banking companies that are measured using content analysis is influenced by bank soundness, which include risk profile non performing loans (NPL) and loan to deposit ratios (LDR), good corporate governance (GCG), earnings that use ROA as indicators, and capital that is measured by CAR ratio. The sample used are 7 conventional banks in Indonesia that determined using purposive sampling method, while the periode start from 2014-2018. Multiple regression analysis was used to analyze the data. The results show that NPL, LDR and CAR don”t affect the disclosure of sustainability reporting. While the GCG and earning (ROA) influence the disclosure of sustainability reports in conventional banking companies in Indonesia.

Keywords
Sustainability Reporting, Non Performing Loan, Loan to Deposit Ratio, Good Corporate Governance, Return On Assets and Capital Adequacy Ratio

Topic
Sustainability Reporting

Link: https://ifory.id/abstract/HGZpKYRgjrfd

Corresponding Author
Harnovinsah Harnovinsah

Institutions
Lecturer at Faculty of Economics and Business Universitas Mercu Buana, Jakarta, Indonesia
harnovinsah[at]mercubuana.ac.id, lawe.anasta[at]mercubuana.ac.id

Abstract
The purpose of this research is to examine the effect of life cycle theory and free cash flow hypothesis toward dividend policy. The life cycle theory was conducted by retained earning to total asset. Free cash flow which is the variable dependend was conduct by the free cash flow ratio, profitability, size, leverage and growth. This study was carried out on the companies that are listed as manufacturing company in Indonesia Stock Exchange. The period of this study is from 2010 until 2017. Purposive sampling method used to select the samples. Total manufacturing companies which include to this study are 152 companies. Multiple regression analysis is used to examine the hypoyhesis and purposive sampling method. According to the hypothesis test, the research findings can be summarized as follows. Life cycle theory, profitability and growth are variables that have influence to dividend policy. While the other variables such, free cash flow, size and leverage do not have influence to dividend policy.

Keywords
Dividend Policy, Life Cycle Theory, Free Cash Flow Hypothesis, Profitability, Size, Leverage, Growth.

Topic
Accounting and Financial Management

Link: https://ifory.id/abstract/Kzdxv3RPGHtV

Corresponding Author
Marti Widya Sari

Institutions
(a,b,c,d) Department of Mechanical and Industrial Engineering
Universitas Gadjah Mada
Yogyakarta, Indonesia

(a) Department of Informatics
Universitas PGRI Yogyakarta
Yogyakarta, Indonesia

*marti.widya.sari[at]mail.ugm.ac.id

Abstract
The application system in the industrial era 4.0 is currently growing rapidly. One of them is the implementation of smart manufacturing in the industrial sector. In smart manufacturing, production processes can be monitored automatically and real time, starting from material selection, then the production process to the planned product. In this study discussed the design of a monitoring system on smart manufacturing based on internet of things technology. Smart technology is implemented on material scans automatically based on color sensors, then from the material it will also be known that with these materials produce certain products and require any material. In addition, the system will also automatically detect through the initial material to find out which processes will be passed. The methods used include literature studies, system requirements analysis, system design and system testing. The results of this study are in the form of a hardware system design and display of production process monitoring system applications. In the system that is made also a notification is displayed if a bottle neck occurs in the production process.

Keywords
product, desgin; monitoring; smart manufacturing; internet of things

Topic
Information Technology

Link: https://ifory.id/abstract/nXw2NRfzHur8

Corresponding Author
MUCHAMAD TAUFIQ ANWAR

Institutions
Universitas Stikubank, Satya Wacana Christian University, Universitas PGRI Semarang

Abstract
Particle Swarm Optimization (PSO), one of the versatile nature-inspired optimization algorithm, continue to suffer from premature convergence regardless of the rigorous amount of research. Many research had tried to address this issue but often use a complex algorithm which tax on computational time and complexity. This research introduced a novel perturbation method to mitigate premature convergence / to increase exploration while keeping the computational cost at a minimum. The particles memories (i.e the position of personal and global best) are modified by a random multiplier which in turn will -perturb- the particles- velocity. The implementation of this novel perturbation method in early iterations had resulted in 100% success rate in finding global optima in our benchmark tests (Sphere, Schwefel 2.22, Rosenbrock, Rastrigin, and Ackley problem) – whereas the original PSO failed in all benchmark tests – without adding a significant amount of computational complexity and time.

Keywords
PSO, premature convergence, perturbation, exploration

Topic
Information Technology

Link: https://ifory.id/abstract/uDafVZrCFGz9

Corresponding Author
Yohanes Agung Cahyono

Institutions
Chemical Engineering Department, 17 Agustus 1945 University, Pawiyatan Luhur Bendan Dhuwur, Semarang 50233, Indonesia

Abstract
Microbial fuel cell (MFC) is a technology developed to obtain new sources of renewable energy to produce electricity. It can be an alternative for wastewater treatment and bioenergy producers of renewable electricity. This method requires bacteria to convert substrate in wastewater into electrical energy. The mechanism of MFC were oxidation of substrate by bacteria to produce electrons and protons at the anode. The proton in anode chamber passes through a membrane exchange to the cathode chamber, however the electrons couldn-t through. It caused accumulation of electron in anode chamber and then both of electrode had a potential difference, so electron in anode chamber passed through membrane exchange to cathode chamber. In this study used dual-chambers reactors with each compartment having 8 cm × 10 cm × 10 cm of dimensions and 5 mm of thickness. This study was subjected to evaluate the performance of MFC in soybean washing wastewatertreatment with bacteria of EM4 to analyze the potentials production of electricity energy.The focus of this study was to evaluate the effect of time to electricity. MFC system was observed for 40 hours, measurement of voltages and electric currents performed every 2 hours. The results showed that there was potential of electricity production from soybean wastewater treatment by MFC. The maximum electricity reached in soybean wastewater media were voltage 441 mV (at 24 h), the electric currents 170 µA and the power density 51, 35 mW/m2(at 24 h after acclimatization). Increasing of time effect to decreasing of electricity produced.

Keywords
bioenergy, electricity, microbial fuel cell, membrane, wastewater soybean

Topic
Polymer

Link: https://ifory.id/abstract/FvzfkaCA7HY2

Corresponding Author
Istiqomah I

Institutions
a. SMK Amaliah Ciawi
b. Program Studi Pendidikan IPA Program Pascasarjana Universitas Pakuan

Abstract
This study aims to produce formaldehyde teaching aids to increase the interest in learning and chemical literacy of Vocational School students majoring in Multimedia. Pre-experimental research was conducted to test the effectiveness of formalin test props with research and development (R & D) methods with Four D research designs (Definee, Design, Development, and Deseminate). The props were validated by three lecturers, namely media experts. The research subjects were 30th grade students as many as 30 people at Amaliah Ciawi Vocational High School. Data was collected using expert validation sheets, chemical literacy tests, and student response questionnaires. The data obtained were analyzed using quantitative descriptive statistics. The results of the development show that teaching aids increase student learning interest and chemical literacy students obtain N-gain of 0.70 and 0.71 in the high category. These results indicate that the formalin test props are effective for increasing students interest in learning and chemical literacy.

Keywords
formalin test equipment, student learning interest, student chemical literacy

Topic
CHEMISTRY EDUCATION

Link: https://ifory.id/abstract/TwZqzN7ADyY6

Corresponding Author
Badingatus Solikhah

Institutions
Universitas Negeri Semarang

Abstract
Increased economic growth is positively associated with environmental pollution. The concept of environmental accounting has driven the companys ability to minimize environmental problems. The purpose of this study was to examine the effect of financial performance and media coverage on the quality of environmental disclosures. The population in this study is a company engaged in mining, energy, chemistry, pharmaceuticals, cosmetics, food and beverages that are listed on the Stock Exchange in 2012-2016. Samples were chosen by a purposive method so that 35 companies were selected so that 135 units of analysis were obtained. The data analysis method used is Structural Equation Modeling (SEM) with a SmartPLS 3.0 analysis tool. The results showed that media coverage had a significant positive effect on the quality of environmental disclosures. While financial performance is not associated with the quality of environmental disclosures. The practical implications of this study, the results are expected to contribute to the government and stock exchange authorities in order to take immediate action in making policies related to environmental management for listed companies and their reporting to stakeholders.

Keywords
Financial Performance; Media Coverage; Environment Disclosure

Topic
Sustainable development

Link: https://ifory.id/abstract/WkxCYfGKbPLV

Corresponding Author
Mohammad Aliman Shahmi

Institutions
(a)Universitas Negeri Padang

Abstract
This study investigates the effect and equilibrium of macroeconomic variables on real effective exchange rates(REER) in short and long terms in Malaysia. This study used time series data from 1986-2017, and Johansen-Juselius and error correction model (ECM). There are two main findings in this study. First, financial development, economic openness, and inflation have a significant effect on real effective exchange rates in Malaysia. Second, in the short term, foreign direct investment (FDI) and inflation disrupt the balance of effective real exchange rates, although in the long terms the inflation will return to its equilibrium. This research is recommended to the government to increase foreign direct investment in Malaysia, because it is a major factor that influences the equilibrium of real effective exchange rates.

Keywords
ECM, Malaysia, REER

Topic
Economics

Link: https://ifory.id/abstract/cymKrdRfMTap

Corresponding Author
Yunita Sari

Institutions
Postgraduate Mathematics Education Study Program
State University of Medan
Medan, Indonesia
e-mail: yunitas48[at]gmail.com

Abstract
The Purpose of this research is to analyze: (1) the increase in students mathematics critical thinking ability using problem based learning higher than students mathematics critical thinking ability using regular learning, (2) the increase in students self efficacy using problem based learning higher than students self efficacy using regular learning, (3) interaction between students mathematics ability (high, medium, low) and learning to increase students mathematics critical thinking ability, (4) interaction between students mathematics ability (high, medium, low) and learning to increase students self efficacy. This type of research is a quasi experimental research. The population of this research is all students in Junior High School of Dwitunggal Tanjung Morawa. Then students in VII-1 is choosen as the experimental class and students in class VII-2 is choosen as a control class by using purposive sampling technique. The data in this study were analyzed using Two Ways ANOVA and Scheffe Method. The result of this research are: (1) The increasing of students mathematics critical thinking ability using problem based learning is higher than regular learning; (2) The increasing of students self efficacy using problem based learning is higher than regular learning; (3) There is no interaction between mathematical prerequisite ability and learning on students mathematics critical thinking ability; (4) There is no interaction between mathematical prerequisite ability and learning on students self efficacy.

Keywords
Mathematics Critical Thinking Ability, Self Efficacy, Problem Based Learning

Topic
Mathematics,Science and Nursing Education

Link: https://ifory.id/abstract/trydc6zuGbxq

Corresponding Author
Dian Ariana

Institutions
State University of Medan and Samudra University

Abstract
This study aims to find out: (1) Results of learning to draw techniques students taught by the Jigsaw learning model higher than the STAD learning model. (2) Results learning outcomes of Drawing Technique students who have a talent for high space relationships are higher than the results of Drawing learning Techniques that have low spatial relationship talent (3) Are there interactions between learning models and talents of space relations to students learning outcomes in Drawing Engineering. This study was conducted on students State Vocatioan High School 2 Langsa and students of Karang Baru State Vocational School, Aceh Tamiang Regency, class X Even Semester Academic Year 2019/2020. The technique sampling was used with Cluster Random Sampling based on each students that consisting of 25 people for the first experimental class and 25 people for the second experimental group. The research method used was quasi-experimental with factorial 2x2. The analysis technique used was the analysis of two-way variance with a significant level of &

Keywords
Learning Model, Talent Space Relations and Learning Drawing Techniques.

Topic
Vocational Education and Educational Technology

Link: https://ifory.id/abstract/WqJfMkjNa4Fh

Corresponding Author
MUHAMMAD ANDRI FAHRIAN

Institutions
Program Pascasarjana Universitas Negeri Medan

Abstract
Learning of Pencak Silat Basic Motion With Games For Muhammadiyah Tanjung Sari Elementary School Students in the city of Medan. This research is motivated by the absence of standard (national) teaching materials for pencaksilat students for Muhammadiyah elementary school students, regarding pencak silat material submitted to their respective regions with the provisions of active teaching staff as members of TapakSuci. This is what causes the various pencak silat materials while pencak silat as a compulsory subject at Muhammadiyah schools. This study aims to develop a basic motion learning model of pencak silat adjusted to the characteristics of the growth and development of elementary school childrens movement skills. This research is a study using a model of development or research and development (R&D). This research was conducted in several steps, namely: identification and problems, data collection, product design, design validation, design revision, product testing, product revision trial usage, product revision, mass production. esearch subjects in small groups are class V and large group trials are four classes V. The results showed that the Development of Pencak Silat basic motion game development consisted of 1) potential problems 2) Data collection 3) Product design 4) Validation 5) Product revision 6) Product trial. Pencak Silats basic motion game has 20 variations of games that fit the characteristics of early childhood. The results of expert validation on the effectiveness of pencak silat basic motion game products obtained an average aspect score of the answers of the three experts in a small trial of 3.66-4.22 with a percentage range of 74.28% -84.28%. The results of expert validation on the effectiveness of pencak silat basic motion game products obtained an average aspect score of the answers of the three experts in a large trial of 4.22-4.69 with a percentage range of 84.28% -94.28%. The results of respondents on the development of pencak silat basic motion obtained a small product trial percentage range of 79.81% -88.54 and trials of large products 85.41% -95.83%.

Keywords
Learning, Pencak Silat, Early Age and Games.

Topic
Curriculum, Research and Development

Link: https://ifory.id/abstract/qXFYfpjghCQd