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INDONESIA
Indonesian Science Education Research (ISER)
Published by Universitas Negeri Medan
ISSN : 27976262     EISSN : 27154653     DOI : https://doi.org/10.24114/iser
Core Subject : Science, Education,
Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Education Physics
This journal was formed to provide a forum for publishing research results for researchers in the fields of science, physics, biology, chemistry, and education. The scope of this journal is all research related to the fields of education, science, physics, biology, and chemistry.
Arjuna Subject : Umum - Umum
Articles 84 Documents
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THE EFFECT OF VIDEO ANIMATION ASSISTANT PROBLEM BASED LEARNING (PBL) MODEL ON CRITICAL THINKING OF SUBSTANCE PRESSURE MATERIALS IN CLASS VIII JUNIOR HIGH SCHOOL Putri Naomi Br Purba; Retno Dwi Suyanti; Siti Aisyah; Delpima Suhita
ISER (Indonesian Science Education Research) Vol 4, No 2 (2022): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v4i2.41681

Abstract

This study aims to determine whether students' critical thinking skills with the problem based learning (PBL) learning model assisted by animated videos on the substance pressure material can meet the high criteria and what aspects of critical thinking skills are developed through the problem based learning (PBL) learning model assisted by animated videos on the material pressure of the substance. This type of research was conducted using a quasi-experimental research method with a one group pretest-posttest design. The sample in this study consisted of one class totaling 32 students, namely class VIII-8 of 17 Medan State Junior High School which was selected by random sampling. The instrument used is a critical thinking ability test that has been validated in the form of multiple choice as many as 25 questions by fulfilling the content validity requirements, namely in the range of values from 0.357 to 0.757 and fulfilling the reliability requirements of 0.778. From the results of the study, the average pretest was 58.281 and the posttest was 87.813 which stated that the data was homogeneous. In the normality test, the Chi-Square value of the pretest was 23,426 and the posttest was 10,253 which stated that the data were normally distributed. Based on the results of the analysis of the hypothesis test (one sample t-test) obtained tcount > ttable that is 10,734>1,695. In the normalized gain test, an n-gain value of 0.719 (71.9%) was obtained which stated that the critical thinking skills of students who were taught using a problem based learning (PBL) learning model assisted by animated videos on material pressure substances met the high criteria. The results showed that the students' critical thinking ability for aspects of giving simple explanations was 54.69%, aspects of building basic skills by 53.13%, concluding aspects of 54.69%, aspects of making further explanations of 62.24%, and aspects of making further explanations. Manage strategies and tactics by 71.09%. So it can be concluded that the aspects of critical thinking that are developed are aspects of managing strategies and tactics
THE INFLUENCE OF THE SETS (SCIENCE, ENVIRONMENT, TECHNOLOGY, AND SOCIETY) LEARNING MODEL ON STUDENTS' CRITICAL THINKING ON GLOBAL WARMING MATERIALS Jefnita Sain Waruwu; Binari Manurung
ISER (Indonesian Science Education Research) Vol 4, No 2 (2022): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v4i2.41682

Abstract

In the 21st century, the education sector, especially in the science field, needs to develop facets of teaching methods, learning materials, and assessment strategies to prepare students to have creative thinking and ability to think critically. This study aims to determine the impact of the SETS (Science, Environment, Technology, and Society) learning model on students' critical thinking skills. This study used a quasi-experimental design as the research method and two-group pre-test and post-test testing as the instrument. The study population consisted of seventh grade students 5th Junior High School Percut Sei Tuan, with a sampling technique used cluster random sampling, making students of grades VII3 and VII4 the samples of this study. The results of this study showed that providing a SETS (science, environment, technology and society) model has a very significant effect for teaching critical thinking to students about global warming material in class of seventh grade students country 5 Junior High School Percut Sei Tuan.The thing that can be developed from this research by further researchers is to add media that can support the SETS learning model to get better results
DEVELOPMENT OF WORKSHEET BASED ON SCIENCE, TECHONOLOGY, ENGINEERING AND MATHEMATICS (STEM) TO IMPROVE CREATIVE THINKING ABILITY ON SUBSTANCE PRESSURE MATERIALS Khadijah Rusdiana Putri Harahap; Ridwan Abdullah Sani; John Adeo Simamora
ISER (Indonesian Science Education Research) Vol 4, No 2 (2022): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v4i2.41683

Abstract

Student Activity Sheet (LKPD) is an activity sheet containing tasks carried out by students, containing instructions, steps to complete a task in the form of theory or practice. LKPD can be used to improve students' creative thinking skills because the use of LKPD involves activities such as investigation and thinking activities such as analyzing and solving problems. LKPD development aims to determine the validity of LKPD, student responses and the effectiveness of LKPD in improving creative thinking skills. LKPD development using the ADDIE method, data collection techniques in this study were descriptive analysis and N-gain test. The samples in this study were two design expert lecturers, material experts and learning experts, as well as class VIII and 30 class VIII students of junior high school RK Deli Murni Delitua. Based on the validation of design experts, learning experts and media material experts, students' responses are very good and LKPD can improve students' creative thinking skills, which can be seen from the N-gain calculation, which is 0.71 high category
ANALYSIS OF STUDENTS' CREATIVE THINKING ABILITY ON ENVIRONMENTAL POLLUTION MATERIALS IN CLASS VII SMP PANGERAN ANTASARI Silfi Indriani; Hasruddin Hasruddin; Waluyo Waluyo
ISER (Indonesian Science Education Research) Vol 4, No 2 (2022): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v4i2.41684

Abstract

This study aims to: (1) describe students' creative thinking skills on Environmental Pollution material at Prince Antasari Middle School; (2) to find out the description of students' creative thinking skills on Environmental Pollution material at Prince Antasari State Junior High School; and (3) knowing the percentage of creative thinking ability on each indicator of creative thinking ability. The type of research conducted in this research is descriptive research using a mixed methods approach and non-experimental research design. The data collection stage uses a test instrument that contains description questions for creative thinking skills and uses a questionnaire for the student learning process. The sampling technique used is total sampling by taking samples of two classes. The subjects of this study were seventh grade students of Prince Antasari Middle School, totaling 73 students. The samples in this study were 38 students in class VII-1 and class VII-2, totaling 35 students. The results showed quite good with 31 students (42.5%), followed by good criteria with 30 students (41.1%). , then less well with 6 students (8.2%), and there are only 2 students (2.7%). The conclusion of this study shows that students' creative thinking abilities are in the category of creative enough with a learning process that has quite good criteria
IMPLEMENTATION OF ARGUMENT-DRIVEN INQUIRY (ADI) LEARNING MODELS ON ENVIRONMENTAL POLUTION TOPIC TO ENHANCE SEVENTH GRADE STUDENTS’ LEARNING OUTCOMES Endang Deciku; Monica Prima Sari
ISER (Indonesian Science Education Research) Vol 5, No 1 (2023): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v5i1.49406

Abstract

Science lessons are designed to help students understand natural phenomena and how to live side by side with nature. To build up such understanding, students need to acquire sufficient inquiry skills as part of the expected learning outcomes. However, science learning outcomes of seventh graders at SMP Negeri 1 Payakumbuh for the academic year 2021/2022 are still below the minimum mastery criteria. From observation, we found that students do not participate actively in classroom teaching, teacher do not implement suitable learning model and do not use supporting instructional materials. Environmental pollution is one of the topics in secondary school science that could serve as a context for students to apply their knowledge and 4C skills. This study aims to see the effect of applying the Argument-Driven Inquiry (ADI) learning model assisted with ADI worksheet on science learning outcomes. This quasi-experiment research use Pretest-Posttest Control Group Design. Data were collected through multiple choice items and observation sheets, then analyzed with descriptive statistics. Our findings suggest that the use of ADI learning model influenced the science learning outcomes of seventh grade students of SMP Negeri 1 Payakumbuh. This is indicated by the 0.566 N-Gain of experimental class which is significantly higher than 0.290 of the control class
Ethnoscience Studies on The Tradition of Nyaneut Kejek Tea In Cigedug Village, Garut Regency Abdul Latip; Aristo Hardinata; Andinisa Rahmaniar
ISER (Indonesian Science Education Research) Vol 5, No 1 (2023): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v5i1.49407

Abstract

Garut Regency is one of the regions that has gastronomic tourist destinations that have the peculiarities of Garut's typical food and beverage products. Tea plantations are one of the gastronomic potentials in Garut that can produce garut tea. Kejek tea is one of the green teas from Garut that has long been developed in Garut for generations. In this article, a literature study was conducted on the processing of kejek tea and the tradition of nyaneut tea in one of the areas in Garut Regency. Literature studies are focused on the study of people's original knowledge of kejek tea and the tradition of nyaneut tea, as well as a scientific review of these two things. The results of literature studies show that in the processing of kejek tea and nyaneut traditions there is original knowledge of the community that can be explained scientifically in science or called ethnoscience. In the processing of kejek tea and the tradition of nyaneut tea, there are values that can be taken, namely the value of social, cultural, economic, and ethnobotanical values
THE EFFECT OF CONSTRUCTIVISM LEARNING ON STUDENT LEARNING OUTCOMES: A META ANALYSIS STUDY Yul Ifda Tanjung; Irfandi Irfandi; Teguh Febri Sudarma; Lufri Lufri; Asrizal Asrizal; Hardeli Hardeli
ISER (Indonesian Science Education Research) Vol 5, No 1 (2023): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v5i1.49409

Abstract

Constructivism in learning is a philosophy that holds where the process of forming knowledge in individuals is the result of mental activity supported by the process of learning experience. Many studies have been conducted on the effect of constructivism theory on learning outcomes, but few have quantifies the effect so that it can be analyzed qualitatively. Therefore,  the purpose of this research was to quantify the effect size of the relationship between constructivism theory and student learning outcomes using meta-analytic research and data analysis techniques with openMEE software. Data was collected from Scopus and Google Scholar for 17 articles published in 2019 till 2022. Based on the analysis, In terms of the effectiveness of constructivism learning theory, an estimated data of 1.548 is obtained which indicates that constructivist theory has great effectiveness in improving student learning outcomes. In addition, the effect size measurement at the primary and secondary levels of education indicates that the student is in high category. This explains why constructivism learning is very well implemented because children at this level are already able to be encouraged to construct their own knowledge which influences their learning outcomes.
MAKING STEM EXPERIMENT VIDEO FOR SCIENCE LESSON: A SIMPLE FAN Deby Lovelia Esa; Arief Muttaqiin
ISER (Indonesian Science Education Research) Vol 5, No 1 (2023): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v5i1.49410

Abstract

This research aims to produce a valid and practical natural science experiment video of a simple fan on energy in living systems. This video contains elements of STEM and critical thinking skill questions. This research uses the Plomp development model, which consists of three phases, namely the Preliminary research, the prototyping and the assessment. This research was carried out until the Prototyping phase. The research instruments used were validity and practicality questionnaires. The validity tests were conducted to three science education lecturers and the practicality tests were conducted on students at SMPN 15 Padang. The results of the validity test obtained an average Moment Kappa (k) value of 0.85 with the very high category. The results of the practicality test at the one to one evaluation obtained an average Moment Kappa (k) value of 0.92 and at the small group evaluation phase obtained an average Moment Kappa (k) value of 0.93 with the very high category. To find out the students' interest in this experimental video, an interview was conducted as additional data stating which stated that the students were very interested and could help the teacher in deliver on energy material in living systems
DEVELOPMENT OF STEM EXPERIMENT VIDEO FOR SCIENCE LEARNING: A MOVABLE CHANDELIER Hayatul Qorryati; Arief Muttaqiin
ISER (Indonesian Science Education Research) Vol 5, No 1 (2023): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v5i1.49403

Abstract

This research aimed to produce a valid and practical experimental Video Movable Chandelier on Energy Matters in Living Systems (VMC). This experimental video is equipped with STEM elements and several critical thinking questions. The method used in this research is the development of the Plomp model, which consists of three stages, namely preliminary research, prototyping stage, and assessment phase. This research is limited to two stages which up to the stage of prototype formation. The instrument used was a questionnaire in the form of validity sheets and practicality sheets. The video validity test was carried out by three science education lecturers from FMIPA UNP, while the video practicality test was carried out by a science teacher from SMPN 15 Padang. The results of the validity test of the experimental video showed an average Kappa moment (k) value of 0.92 which was included in the very high category, while the results of the practicality test at the one to one evaluation and small group evaluation stages of the experimental video showed an average Kappa Moment value (k) of 0.90 and 0.94 with very high category as well. With the VMC it can help teachers carry out practicums on Energy Material in Living Systems both at school and at home as additional learning media and train students' abilities to think critically.
EXECUTIVE SUMMARIES OF TEACHER’S ABILITY ON TPACK IN NORTH SUMATERA: PRELIMINARY RESEARCH ON THE DEVELOPMENT OF SCIENCE LITERACY-BASED LEARNING MODELS Jamalum Purba; Mariati P Simanjuntak; Ely Djulia; Halim Simatupang; Aristo Hardinata
ISER (Indonesian Science Education Research) Vol 5, No 1 (2023): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v5i1.49412

Abstract

To be able to teach scientific literacy to students, teachers need scientific literacy competencies and are in line with TPACK (Technological Pedagogical Content Knowledge) competencies. This research was initial research in the development of learning models which aims to determine the extent of the TPACK abilities of science teachers in North Sumatra. The method used in this study was a qualitative descriptive method by describing data in the form of numbers and direct interviews. The instrument used was TPACK multiple choice questions that had been previously developed and proven valid to be able to measure the TPACK ability of science teachers which consisted of 40 questions. The research sample was determined by purposive sampling method. From the sampling results, 20 science teachers were selected from 10 junior high schools in North Sumatra

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