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Edumatsains
Published by Universitas Kristen Indonesia
ISSN : 25277642     EISSN : 25277235     DOI : -
Core Subject : Science, Education, Agriculture,
Agriculture, Biological Sciences & Forestry Chemistry Education Mathematics Physics
Jurnal EduMatSains merupakan wadah untuk menampung dan mempublikasikan hasil karya baik berupa hasil penelitian maupun kajian teori yang original dalam ruang lingkup pendidikan matematika dan pendidikan sains (fisika, kimia, biologi) serta ilmu matematika dan ilmu sains (fisika, kimia, biologi) bagi semua civitas academika khususnya dosen, guru, peneliti dan mahasiswa. Jurnal EduMatSains terbit sebanyak dua kali dalam satu tahun (Juli dan Januari). Jurnal EduMatSains diterbitkan Oleh Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia.
Arjuna Subject : -
Articles 359 Documents
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Identification of Dominant Factors Affecting Study Time and Waiting Time of Mathematics Undergraduate Using the Least Absolute Shrinkage And Selection Operator (LASSO) Hendra Cipta; Rina Widyasari; Linna Syahputri
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 1 (2024): July
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i1.6069

Abstract

Higher education is a level of education that is able to produce and prepare graduates so that college graduates are able to compete and are ready to face the world of work. The aim of this research is to determine the dominant factors that influence the study period and waiting time for undergraduates in Department of Mathmatics FST UIN Sumatera Utara Medan until they get their first job in less than 9 months. The Least Absolute Shrinkage And Selection Operator (LASSO) method was used in this research, where this method is expected to be able to provide high accuracy results in terms of determining the most dominant factors. From the results of calculations using the LASSO method, the three most dominant factors that greatly influence the study period and waiting time for undergraduates are working status (X3), organizational participation (X5), grade point average (X2), final assignment position (X2). By producing this most dominant factor, it is hoped that mathematics study programs will care more about their students by making major and minor improvements to future accreditation
Skills in Constructing and Implementing Learning Designs for Preservice Mathematics Teacher at Universitas Samudra Roni Priyanda; Tatang Herman; Iden Rainal Ihsan; Nishabah Fadhelina; Stevi Natalia
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 1 (2024): July
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i1.6070

Abstract

Many preservice mathematic teachers use a learning strategy (a model, method, or approach) that is connected to one or more mathematical abilities when preparing their final projects. This research project examines the use of this tactic through a (quasi) experimental learning approach. Upon selecting a learning approach, some final-year students investigate its impact on enhancing students' mathematical proficiency. Aim of this research is to determine the suitability profile of the final assignment of preservice mathematic teachers at Universitas Samudra between the title and the learning design applied and to find solutions to improve the understanding of preservice mathematic teachers at Universitas Samudra in preparing their final assignments. The results of the praxiological analysis skills in constructing and implementing learning designs for preservice mathematic teachers at Universitas Samudra are: 18,18% hhe learning implementation plan is in accordance with the learning model and is explained in the final assignment discussion, 42,42% the learning implementation plan is in accordance with the learning model but is not explained in the final assignment discussion, and 23,33% The learning implementation plan is not in accordance with the chosen learning model.
Implementation of the PIMCA Learning Model Assisted by HOTS-based LKPD to Improve Critical Thinking Skills on Temperature and Heat Material Resti Denis Yulianti
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 1 (2024): July
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i1.6075

Abstract

Critical thinking skills are one of the skills that students must have. This skill can be trained through various scientific disciplines, one of which is physics. If we look at its characteristics, temperature and heat physics material is able to train students critical thinking skills using the knowledge and experience they have. But in reality, students consider temperature and heat material to be difficult and boring. This is due to lack of student involvement and lack of student understanding of temperature and heat material. Therefore, this research aims to determine the improvement of students' critical thinking skills through the use of the PIMCA learning model assisted by HOTS-based LKPD on temperature and heat material. The research method used is quantitative with a one group pretest-posttest design. The research instrument is a critical thinking skills test in the form of an essay. Data analysis of critical thinking skills test results includes normality testing, hypothesis testing, and continues with the n-gain test to obtain in-depth information regarding students critical thinking skills. In general, the research results show that the average critical thinking skills of students is 0.76 in the high category. High levels of critical thinking skills can be seen in the categories of elementary clarification, basic support, inference, and strategy and tactics. Meanwhile, students critical thinking skills in the category of advanced clarification are still in the medium category.
Development of Integrated Electronic Module with Instructional Videos Santri Chintia Purba
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 1 (2024): July
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i1.6103

Abstract

This research was conducted to develop a teaching material product for teaching Mathematics. The product developed is an electronic module containing instructional videos aimed at addressing common issues in online learning. The research method used was Research and Development (R&D). The R&D stages included analyzing field needs, designing the concept of the developed product, designing the product itself, and validating the product with three experts: Content Validator, Media Validator, and Language validator. Based on the questionnaire validation from the experts on the e-module development, the findings are as follows: Content validation scored 73.5 out of 75 in total, or 4.9 out of 5 on a scale of 5. The score interval obtained was 98%, indicating that the content validity criteria are highly valid. Language validation aspect indicated that the language used is highly valid, scoring 50 out of 50 in total, or 5 out of 5 on a scale of 5, meeting the 100% validity criteria. Media validation scored 65.33 out of 75, or 4.35 out of 5 on a scale of 5. The score interval obtained was 87%, indicating that the media validity criteria are very valid.
Discovering Teachers' Perceptions of Inclusive Teaching in Indonesia Dyah Aniza Kismiati
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 2 (2025): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i2.5675

Abstract

Inclusive teaching is not something new in the world of Education. However, its emphasis in the Merdeka curriculum makes inclusive teaching steal the attention of many education observers. This study aims to determine the perception of teachers in Indonesia (elementary school teachers, junior high school teachers and senior high school teachers) on the importance of inclusive teaching in learning. This research is a survey study conducted on teachers in Indonesia, with random sampling. The sample number of teachers who were respondents was 46 teachers. To obtain data, researchers used an instrument in the form of a questionnaire in the form of a Likert scale with five scales and yes or no questions. As additional data, researchers conducted interviews conducted on several samples of teachers. The data obtained is then analyzed quantitatively and poured into tables and graphs. From the results of the analysis, it is known that teachers attach great importance to inclusive teaching. 82.61% teachers argue that inclusive teaching is a good idea. However, in reality, the application of inclusive teaching has not been optimal. One of the obstacles in optimizing the application of inclusive teaching is the selection of appropriate learning strategies in inclusion classes. This is what needs to be explored in order to find appropriate learning strategies for inclusion classes.
Development of Interactive Learning Videos to Improve Students' Mathematical Literacy Skills Ahmad Farham Majid; Ashar Mubarak; Arni Aulia; Resa Yulianti; Khairullah Irsyad Saleh
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 2 (2025): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i2.5924

Abstract

Mathematical literacy skills are very necessary for facing the challenges of the 21st century. Developing learning videos that link mathematical material to its implementation in everyday life. This research aims to: 1) develop interactive video learning media toimprove students' mathematical literacyskills; 2) determinethe feasibility of learningvideo media based onexperts and students; and 3) determine the effectiveness of interactive learning videos in improving students' mathematical literacy skills. This research uses a typeof research and development(R&D) that was developed using the modified ASSUREmodel by only applying four of the six development steps, namely: 1)analysing; 2)statingobjectives; 3) selecting methods, media, and materials; and 4)utilising media. The results of the research are: 1)The media developed is an interactive learning video to improve students' mathematical literacy skills, which can be accessed at https://youtu.be/ZxHBMp1etEI?si=GJOtQZPKr5A2D4sK. and https://youtu.be/WvGdq0VQ0mQ?si= SpSZd-l0tjIegH_e. 2)The validation results of the media experts developed were 91.25% in the very good category; 3)the media material validation results were 91.25% in the very good category; 4)students' mathematical literacy skills increased in the medium category with an N-Gain value of 0.61. Thus, interactive learning videos are suitable to be used to improve students' mathematical literacy skills.
STEM (Science, Technology, Engineering, and Mathematics) Instructional Analysis Towards Learning Competencies Achievement as Reviewed from Vocational Education Students’ Critical Thinking Wofrid Erlista Bianome; Edy Suprapto; Fahrizal; Basri K; Priyono; Sealtial Mau
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 2 (2025): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i2.5943

Abstract

A proper instructional process is a process that is designed to meet the expected educational goals; hence, an innovative strategy in the learning process is required. One of the instructional models appropriate for use in teaching vocational lesson material is the STEM model. The aim of this study was to analyze the level of usefulness of the STEM model on the learning competencies achievement of vocational students’ in Kupang as reviewed from their critical thinking, with a focus on the materials about automotive engine components maintenance and reparation. The method of this study was a pre-experimental in the form of one group pretest post-test. The subjects studied were twenty-six Light Vehicle Engineering students of Class X Group B of 2022/2023. The data collection techniques used in this study were documentation and 20-question item test sheets implemented in the pre-test and post-test. The data were analyzed with a T-test using SPSS version 29. The descriptive test results showed a significant difference between the means of tests, which was of 23% proving that the STEM model significantly improved students' critical thinking skills. Therefore, it is recommended that the STEM approach be used as an alternative model for teaching engineering subjects.
The Effectiveness of Using Realistic Mathematics Education (RME)-based Students’ Worksheet to Improve Students' Mathematical Problem-solving Skills Anggita Manggarrani; Nafida Hetty Marhaeni
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 2 (2025): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i2.5973

Abstract

This study aims to determine the effectiveness of using Realistic Mathematics Education (RME)-based Students’ Worksheets (LKPD) to improve students' mathematical problem-solving skills. This type of research is experimental research with pretest posttest control group design. The samples in this study were class X-E2 as the experimental class with 36 students and class X-E3 as the control class with 36 students. Data collection techniques using interviews, observations, and pretest and posttest assessments of students' problem-solving skills on statistics material. The hypothesis of this study is that the use of RME-based LKPD is more effective in improving students' problem-solving skills than learning without using RME-based LKPD. The results obtained from this study are the use of RME-based LKPD which contains indicators of problem-solving skills proven effective to improve students' problem-solving skills. This conclusion is obtained based on the results of statistical tests, namely the Wilcoxon Signed Rank Test where the test results from the experimental class and control class have sig. 2 tailed < 0.05, Mann-Whitney U Test which has sig. 2 tailed <0.05, and the mean difference test which shows an increase in the experimental class of 28.05 and in the control class of 11.39 which shows that learning using RME-based LKPD is more effective in improving students' problem-solving skills than learning without using RME-based LKPD.
STUDENTS' MISCONCEPTIONS IN SOLVING STORY PROBLEMS OF TWO-VARIABLE LINEAR EQUATION SYSTEMS ASSESSED FROM NUMERACY LITERACY Anugerah Kurniawati; Zubaidah R; Hamdani
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 2 (2025): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i2.6182

Abstract

Misconceptions in solving story problems involving the System of Linear Equations of Two Variables (SPLDV) are often a challenge for students. This research aims to identify the types of misconceptions experienced by students of grade VIII of Kasih Yobel Junior High School in Singkawang in solving SPLDV story problems, which are studied from the perspective of numeracy literacy. This research used descriptive qualitative method involving six students as research subjects. Data were collected through diagnostic tests and interviews to identify misconceptions based on numeracy literacy components: understanding, use, interpretation, and communication. The results showed that students experienced several types of misconceptions, especially in the translation of story problems into mathematical form, the use of strategies/methods, and calculations. The misconceptions were caused by students' lack of understanding of the basic concepts of SPLDV and inability to apply mathematical symbols and operations correctly. The discussion of the research results emphasizes the importance of learning approaches that strengthen students' numeracy literacy, especially in terms of understanding concepts and applying effective strategies. The conclusion of this study shows that improving numeracy literacy needs to be a priority in mathematics teaching to reduce misconceptions and improve students' ability to solve SPLDV story problems.
Exploration of Learners' Creative Thinking in Applying the Concept of Division in Class VII Junior High School Wilda Yanti; Sugiatno; Evi Noviani
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 2 (2025): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i2.6186

Abstract

This study aims to describe the creative thinking ability of seventh grade junior high school students in applying the concept of division and identify the factors that cause creative thinking difficulties in that context. This research is based on the importance of understanding mathematical concepts, where creative thinking becomes the foundation in helping students overcome difficulties in understanding the concept of division. The method used was qualitative with an explorative approach. Participants were selected using a purposive sampling technique, focusing on learners who were considered to be able to provide in-depth insights into their creative thinking abilities and the difficulties they faced. The results showed that learners were generally able to generate ideas quickly (fluency) and connect concepts with solutions in a relevant manner, although there were some ideas that were less relevant. Most learners also show flexibility by using various methods in solving problems, but there are some who tend to use only one method. In terms of originality, unique and structured ideas were found, although some were less structured or unable to develop ideas completely. In terms of elaboration, some learners were able to detail ideas well, while others showed weaknesses in detailing and developing ideas. Factors that cause creative thinking difficulties include lack of understanding of basic concepts, limitations in connecting prior knowledge, lack of practice and time, low level of confidence, lack of practice in working on open-ended problems, learning methods that do not support creativity, and lack of motivation.

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