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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 DEVELOPMENT OF INTERACTIVE MULTIMEDIA LEARNING MEDIA ON CELL MATERIALS IN CLASS XI IPA SMA NEGERI 2 KABANJAHE Nadia Br Ginting; Hudson Sidabutar
ISER (Indonesian Science Education Research) Vol 5, No 2 (2023): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v5i2.55410

Abstract

This study aims to develop and produce interactive multimedia-based biology learning media using a valid, practical and effective powerpoint media that can be applied as a biology learning medium on cell material. The type of research used is development research with a 4-D development model. This model includes four stages, namely defining, designing, developing and disseminating. The learning media developed were validated by media experts and material experts, the responses of biology teachers and responses by students in class XI PA SMA Negeri 2 Kabanjahe. All data were obtained from the data collection instrument and analyzed descriptively. The results showed: (1) The validity of the media based on the assessment of media experts and material experts by getting an average percentage of 85.5% with the criteria of "very valid / very good". (2) The practicality of learning media based on student and teacher responses after using the media got an average percentage of 95.3% which included the "very practical" criteria. (3) The effectiveness of the media based on the results of student learning mastery after using interactive multimedia learning media is 86.1%. Then the calculation of the significance level is carried out with the ngain test score . From the results of manual calculations obtained n-gain score of 0.52. Based on the results of the study, the use of interactive multimedia learning media is said to be feasible with valid, practical and effective categories.
THE EFFECT OF DISCOVERY LEARNING MODEL ON SCIENCE LITERACY SKILLS OF ECOLOGICAL MATERIAL AT SMP NEGERI 1 DELITUA Riski Aulia; Aristo Hardinata
ISER (Indonesian Science Education Research) Vol 6, No 1 (2024): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v6i1.62187

Abstract

This research aims to investigate the impact of the Discovery Learning model on students' scientific literacy skills in ecology at SMP Negeri 1 Delitua. The research method used was quantitative with a sample of 66 students from classes VII-5 and VII-6, selected using a purposive sampling technique. The instrument used is a scientific literacy test, with the independent variable (Discovery Learning model and direct learning model) and the dependent variable is students' scientific literacy abilities. The results of the research show that the application of the Discovery Learning model has a significant influence on the scientific literacy abilities of class VII-5 students who are at level 2 with a score of 31, which is in the poor category. However, after implementing the Discovery Learning model, scientific literacy ability increased to level 4 with a score of 69 and was included in the sufficient category.In conclusion, the application of the Discovery Learning model is effective in improving students' literacy skills on ecological material in class VII-5 SMP Negeri 1 Delitua. This finding provides an important implication for the development of a more problem-oriented student learning approach in improving students' science literacy.
DEVELOPMENT OF COMIC-BASED LIVE WORKSHEET STUDENT WORKSHEETS TO IMPROVE LEARNING OUTCOME OF SOLAR Ika Fadhilla; Ajat Sudrajat
ISER (Indonesian Science Education Research) Vol 5, No 2 (2023): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v5i2.55411

Abstract

One of the uses of technology in education is to use e-learning-based learning media. E-learning media is a learning media equipped with web access. E-learning can make it easier for teachers to access various materials, worksheets and teaching materials through various media, one of which is by using Live Worksheets. The cause of low learning achievement is that students are less creative in learning, lack of practice questions and less interesting questions. Based on this, learning media is needed that can support the teaching process through comic-based student worksheets. The development of comic-based student worksheets aims to determine the validity of the media, students' responses to the media, and the effectiveness of the media developed in improving student learning outcomes. The method used in media development is ADDIE. Data collection techniques used in this study include: interviews, questionnaires or questionnaires and test techniques. The data analysis in this study is descriptive analysis and N-gain test. The sample used in this study is one lecturer who is a material expert, design expert, media expert, and 30 seventh grade students at the state junior high school 24 Medan. The validation results obtained from material experts, design experts, media experts are feasible to use. The responses obtained from students are also very good and learning media can improve student learning outcomes, it can be seen from the N-gain test calculation score, which is 0.71 in the high category
THE EFFECT OF STEM INTEGRATED PROBLEM-BASED LEARNING MODEL (PBL) ON STUDENTS’ LEARNING OUTCOMES ON HUMAN RESPIRATORY AND EXCRETION SYSTEM Ratu Dwi Ningtyas; Monica Prima Sari; Febri Yanto; Tuti Lestari
ISER (Indonesian Science Education Research) Vol 6, No 1 (2024): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v6i1.62188

Abstract

Learning at UPT SMPN 1 Sutera seems to be still low, this is because the learning model used by teachers is still not appropriate and the discussion process has not been carried out well. One way to overcome this problem is to apply the STEM integrated Problem-Based Learning (PBL) model. This research aims to determine the effect of the STEM integrated Problem-Based Learning (PBL) model on student learning outcomes in human respiratory and excretory system material at UPT SMPN 1 Sutera. The type of research used in the research is Quasi Experiment, namely a research method to find the effect of certain treatments on others under controlled conditions. The design used in this research is the Non-Equivalent Control Group Design. The population in this study were class VIII students at UPT SMPN 1 Sutera. The sample in this study consisted of two classes, namely the experimental class and the control class which were taken using a purposive sampling technique. The instruments used consisted of an observation sheet on the implementation of the STEM integrated PBL model, pre-test and post-test questions. The research data obtained was then analyzed through descriptive statistical tests and inferential statistics using SPSS version 25. Based on the results of the analysis in hypothesis testing, it showed that there was a significant average difference between the control and experimental classes. The results of research hypothesis testing were found to be 0.000 and smaller than 0.05. Thus, it can be seen that the significant difference between Ha is accepted and H0 is rejected, so there is an influence. The conclusion from the hypothesis test is that there is a significant influence between students' scores using the STEM integrated PBL learning model. So H0 is rejected and Ha is accepted. So there is an influence of the STEM integrated PBL model on student learning outcomes.
ANALYSIS OF IMPROVING LEARNING OUTCOMES AND STUDENT RESPONSES TAUGHT USING HOTS CHEMISTRY TEACHING MATERIALS BASED ON THE CASE METHOD ON SOLUTION MATERIAL Haqqi Annazili Nasution; Ayi Darmana; Jasmidi Jasmidi
ISER (Indonesian Science Education Research) Vol 5, No 2 (2023): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v5i2.55407

Abstract

This research aims to analyze the improvement in student learning outcomes and the responses of students who are taught using HOTS (Higher Order Thinking Skill) teaching materials based on the case method in solution material. This research was conducted on students of the chemistry education study program in the chemistry department, FMIPA, Medan State University. Research sampling was carried out using purposive sampling and a sample class of PSPK 23 A was obtained. The research instrument used in this research used test instruments to analyze improvements in learning outcomes and non-test instruments to analyze students' responses to the teaching materials used. The analysis technique for improving learning outcomes is carried out using the N-Gain test and to analyze student responses using a percentage scale. Based on the analyzed learning outcomes data, it was found that the increase in learning outcomes for students in the "Medium" category was 74.286% and for those in the "Low" category was 25.714%. In line with this, data on the results of student responses to HOTS teaching materials based on the case method that was used gave a positive response with a percentage rate of 91.3% which was included in the "Very Good" response category
DEVELOPMENT OF SELF-LEARNING MEDIA BASED ON ISPRING SUITE 10 ON RESPIRATORY SYSTEM MATERIALS IN CLASS XI-MIA IN METHODIST 8 MEDAN PRIVATE HIGH SCHOOL MEDAN Irene M. Silaban; Mariaty Sipayung; Golarden Purba
ISER (Indonesian Science Education Research) Vol 5, No 2 (2023): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v5i2.55412

Abstract

This study aims to determine the feasibility level of the Learning Multimedia that was developed based on the ispring suite 10 as a source of independent learning on the respiratory system material for class XI SMA. Learning Media developed based on expert validation, namely material experts, media experts and based on field tests to obtain responses and assessments by subject teachers, and students. This study uses a 4-D model of instructional development design by Thiagarajan which includes 4 stages, namely; define, design, develop, and disseminate which are limited to limited field tests and limited distribution to see the results of students' classical learning mastery. Research preparation begins in August 2021 and will be carried out in October 2021 – July 2022. The product trial was conducted at the Methodist 8 Medan Private High School. The results of the study indicate that the Learning Multimedia that has been developed is feasible to be used as a source of student self-study because it meets the eligibility criteria. Based on expert validation, the mean score was 4.40 or 88% (very feasible) from material experts. Meanwhile, media experts obtained a mean score of 4.62 or 92.4% (very feasible). Based on the results of field tests on teacher and student responses, it was obtained a mean score of 87.05 (very feasible) from the results of the teacher's assessment of the field of study and a mean score of 90.62 (very decent) from the results of student assessments. Students' classical learning completeness in limited distribution gets a percentage of 86.15% (very decent).
THE EFFECT OF PjBL-STEM LEARNING MODEL ON STUDENTS’ COGNITIVE SKILL IN MATTER SUBSTANCES AND THEIR CHANGES SUBJECT Mufidah G; Rahmah Evita Putri; Rani Oktavia; Firda Azzahra
ISER (Indonesian Science Education Research) Vol 6, No 1 (2024): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v6i1.62189

Abstract

The background of this research was the results of the researcher's observations on 8th grade students of SMPN 14 Padang. Based on the results of observations, information was obtained that teachers had previously implemented the PjBL learning model but never had implemented the STEM approach, and teachers had never combined the learning model with the STEM approach. The purpose this research was to examine the effect of the PjBL-STEM learning model on students' cognitive skill regarding substances and their changes subject. The type of research used was Quasi Experimental, design, using a Posttest Control Group Design. This research used two classes, there were experimental and the control class. The experimental class uses the PjBL-STEM learning model, while the control class used a conventional approach learning model. Sampling in this study was carried out using a purposive sampling technique, based on almost the similliary average daily test scores. The instrument of this research were multiple choice test with 20 questions. The results of data analysis show that the cognitive skill of students in the experimental class are higher than those in the control class. The used of the PjBL-STEM learning model makes a good difference in students' cognitive abilities. The results of hypothesis testing based on posttest data obtained from the two sample classes showed that, H0 was rejected and H1 was accepted, so it can be interpreted that there is a difference in the average cognitive abilities of students in the experimental class and the control class. There is an effect of the application of the PjBL-STEM learning model on the students’ cognitive skill on substance material and its changes subject.
ETHNOSCIENCE STUDIES OF THE ANGKOLA BATAK CULINARY IN SOUTH TAPANULI REGENCY AS AN EFFORT TO PRESERVE LOCAL CULTURAL VALUES Wina Dyah Puspita Sari; Cicik Suriani; Aswarina Nasution; Ermy Veronica Sitompul
ISER (Indonesian Science Education Research) Vol 5, No 2 (2023): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v5i2.55408

Abstract

This research aims to find out the types of typical food of the Batak Angkola tribe, the ingredients and processing methods for typical food of the Batak Angkola tribe, as well as explaining the original science of the typical food of the Batak Angkola tribe in an effort to develop science learning tools. This research was carried out in the South Tapanuli Regency, North Sumatra Province. This research was carried out in June-July 2023. The type of research used in this research was descriptive qualitative research. The data sources used in this research are primary data and secondary data using interview methods, direct observation of the Angkola Batak community. The results obtained in this research were various types of typical food from the Angkola Batak tribe, namely: Holat, various types of snacks including Panggelong, Lading-lading, golang-golang, Wajik and various types of processed salak fruit. The ingredients for the typical Batak Angkola regional food are obtained from the area itself. The main ingredient for making hotal is using shaved balaka plants, for making panggelong, lading-lading, golang-golang and wajik using rice flour which is produced directly in the area. Every typical Angkola Batak food production has its own science concept which is specialized in the production of each food
IDENTIFICATION OF MOSS PLANTS AROUND NAMORAMBE DISTRICT Cindy Silvia Dinda; Riris Wulandari; Ahmad Fachrizal; Syarifah Widya Ulfa
ISER (Indonesian Science Education Research) Vol 6, No 1 (2024): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v6i1.62184

Abstract

Non-vascular plants, such as mosses (Bryophyta), are commonly found on land. The class of plants known as tuberous plants, or plants that do not have true roots, stems, or leaves as well as xylem and phloem vessels, includes moss plants. Knowing the diversity of moss plants in Namorambe Sub-district is the purpose of this research. On May 9, 2024, this research was conducted by walking around the Namorambe area to look for moss plants that might be there. This research methodology is qualitative, using descriptive and exploratory techniques. This research used observation, documentation, and literature study as data collection methods. Direct investigation into the Namorambe area was used to make observations to identify moss plants. The three species identified based on the results of the identification of leaf mosses around Namorambe Sub-district were Hyophila sp., Pogonatum cirrhatum, and Barbula indica. Leaf mosses were made near people's work areas and were made on tree bark and stone substrates
THE IMPACT OF IMPLEMENTING NUMBERED HEADS TOGETHER COOPERATIVE LEARNING MODEL ON THE COMMUNICATION SKILL OF STUDENT AT JUNIOR HIGH SCHOOL 3 TEBO Mawarni Sulistianingsih; Firda Az Zahra; Skunda Diliarosta; Rahmah Evita Putri
ISER (Indonesian Science Education Research) Vol 6, No 1 (2024): ISER
Publisher : UNIVERSITAS NEGERI MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/iser.v6i1.62190

Abstract

Low student communication skills have been the cause of this research, which had an impact on learning outcomes because there had not been training on students' communication skills through the application of appropriate learning models. The learning process, which still uses conventional learning models, namely group discussions, has not made each student active and responsible for group assignments and has not trained communication skills in scientific arguments. Therefore, an appropriate learning model is needed, one of which is the Numbered Head Together (NHT) type cooperative learning model. The aim of the research is to determine the effect of implementing the NHT type cooperative learning model on the communication skills of SMPN 3 Tebo students. The research uses a Quasi-Experimental type of research with a Nonequivalent Control Group Design. The research began with a pretest in the experimental class and control class, then treatment was given to the experimental class, and at the end of the learning process, a posttest was given to both classes. Samples were taken using purposive sampling technique. The test instrument consists of 13 description questions. Data were analyzed using Microsoft Excel to carry out prerequisite tests and hypothesis tests on overall communication skills and each ability indicator. The results of the research showed that there was an increase in students' overall communication skills between before and after treatment. Through the Mann Whitney test with Zcount -5.32 and Ztabel 1.96 with the criterion that H0 is accepted if –Ztabel ≤ Zcount ≤ Ztabel, then Zcount -5.32 < -Ztabel -1.96, then H0 is rejected, and H1 is accepted. It can be concluded that there is a significant influence of implementing the Numbered Head Together type learning model on the communication skills of students at SMP Negeri 3 Tebo Regency.

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