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Jurnal Penelitian Pendidikan IPA (JPPIPA)
Published by Universitas Mataram
ISSN : 24602582     EISSN : 2407795X     DOI : -
Core Subject : Science, Education, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Physics
Science Educational Research Journal is international open access, published by Science Master Program of Science Education Graduate Program University of Mataram, contains scientific articles both in the form of research results and literature review that includes science, technology and teaching in the field of science. The Science Educational Research Journal is published twice in a year in January and July editions. The editors receive writing in Indonesian or English, either from the university or from outside the university.
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Articles 6,421 Documents
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The Validation of Go-Lab Based Inquiry Learning Spaces (ILS) on Science Subject for Junior High School Student Fuad Tamami; Joni Rokhmat; Ahmad Harjono
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 4 (2022): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i4.2174

Abstract

Learning innovation in the midst of a situation like now needs to be done to adapt to the times. The times require teachers to continue to innovate by modernizing learning activities to suit the interests of students. The purpose of this research is to produce a learning innovation by combining inquiry learning and the use of information technology called Inquiry Learning Spaces (ILS) based on Go-Lab. The method used in this development research is 4D which has the stages of Define, Design, Develop, and Disseminate. This research will focus on the first three stages: Define, Design, Develop. At the Develop stage, validation is carried out on the product being developed. Validation was carried out by 3 experts in the fields of Physics Education, Media, and Learning Technology. Product reliability is also carried out using a percentage of agreement. From the results of expert validation, it was found that the product developed had an average score percentage of 88.31% with a very valid category. In addition, the percentage of agreement results show that each instrument's percentage has a value above 75% in the reliable category. Several criticisms and suggestions from the validator became a significant improvement to improve the Inquiry Learning Spaces (ILS) which was developed so that it could be used in science learning in junior high schools.
Scientific Literacy Skill Through Digital Media Professional Pdf Flip Based Book in Elementary School Indira Bernica Krida Putri; Fitria Wulandari
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 5 (2022): November
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i5.2181

Abstract

This study aims to determine the effect and how much of a professional flip pdf-based digital book media on science literacy skills in elementary schools. This research method uses descriptive quantitative research with the type of Pre-Experimental Design and the form of design  used is one group pretest-posttest design. The instrument used in this study was a scientific literacy test sheet. The results showed that to test the hypothesis and answer the problem formulation, the  data analysis techniques used were Eta squared and paired samples correlation. From the results of  the Eta squared value, it was obtained at 0.850, which means that there is a big influence between professional flip pdf-based digital book media on scientific literacy skills, while if viewed from the paired samples correlation output above, it can be seen that the Sig (2-tailed) value is 0.000 which means more smaller than 0.05 means that there is a positive effect of professional flip pdf -based digital book media on the scientific literacy skills of elementary school students. The conclusion in this study is that the professional flip pdf-based digital book media has a positive and significant impact on the  scientific literacy abilities of fourth grade students so that it can be used as a solution in elementary school learning.
Determination and Mapping of the Causes of High Risk of Earthquake Hazards Using Geoelectrical Data in Bengkaung, Batu Layar, West Lombok Indonesia Hiden Hiden; Suhayat Minardi; Syamsuddin Yasin; Bakti Sukrisna; Teguh Ardianto
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 4 (2022): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i4.2206

Abstract

The Bengkaung area, Batulayar District, West Lombok is suspected to be very vulnerable to the risk of earthquake hazards. However, in this area no scientific research, either geological or geophysical, has ever been carried out regarding this hazard. How are the physical characteristics of the lithology and structure in the area to the risk of earthquake disaster? The purpose of this study was to determine the physical characteristics of the lithology and subsurface structures that were validated by the level of damage. The method used is the geoelectric method and local building damage data. The results of the 2D geoelectric anomaly modeling show the characteristics of the subsurface lithological layers in the form of sand, sandstone, clay, andesite lava faults, fresh andesite lava, and granite. The fault was detected in the center of the study area in a north-south direction. Earthquake hazard analysis shows that the cause of the high risk of earthquake hazard in Bengkaung Village is the presence of faults and cohesive lithology. The highest potential risk is in the southern part of Bengkaung Village. The southern area of ​​Bengkaung Village is dominated by clay that has cohesive properties, especially on the surface. The western and northern parts of Bengkaung Village have medium and low vulnerability to earthquake hazards. The last two areas are dominated by non-cohesive soils in the form of sandy soils and lapilli pumice
Analysis of Image Fusion Effect in Image Quality of Kidney Stone Fadhila Ulfa Jhora; Freddy Haryanto; Leni Aziyus Fitri; Fourier Dzar Eljabbar Latief
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 4 (2022): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i4.2208

Abstract

Kidney stones are a disease due to the buildup of substances that are not needed in the urinary system. Knowledge of the composition and type of stone is required in the treatment of action. Micro CT is one of the modalities that can be used in determining the composition of kidney stones. However, there are limitations when using single-energy micro-CT. Stone attenuation has almost the same value when using single energy, therefore it is necessary to use dual-energy CT to determine the difference in stone attenuation more precisely. The image of the dual-energy CT micro-energy stone needs to be processed before analyzing and determining the rock composition. Image fusion is one of the image processing techniques that can be used. The purpose of this study was to determine the effect of image fusion on the image quality of five kidney stones. The stages in the research carried out are collecting high energy and low energy projection image data, and performing image fusion on the two projected image data. The results obtained are first, the dual-energy CT image fusion affects the image quality which can be seen from the increase in the signal to noise ratio (SNR) value. A high SNR value provides the best image quality information
Developing MOFI on Transverse Wave to Explore Students’ Misconceptions Today: Utilizing Rasch Model Analysis Shobrina Nurul Mufida; Ida Kaniawati; Achmad Samsudin; Endi Suhendi
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 5 (2022): November
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i5.2229

Abstract

This research aimed to describe the diagnostic instrument validity from Multi-representation of Four-tier Instrument on Transverse Wave (MOFI-OTW), which is useful in exploring the misconceptions. The ADDIE (Analyzing, Designing, Developing, Implementing, and Evaluating) model has already been utilized as the research method. In the developing stage, item construction is in the form of multi-representation (statements, pictures, graphs, tables, and mathematical symbols). The sample consisted of 81 high school students aged 16-18 years (23 males called “Cung” and 58 females called “Nduk”) in East Java. Data validity, instrument reliability, and distribution of students' conceptions have been analyzed using the Rasch Model with MINISTEP 4.7.0.0 software. Validity based on item dimensionality is valid. The reliability based on Cronbach Alpha (α) is good category, the value of item reliability is very good category, and person reliability is moderat category. Students’ conceptions are categorized as Sound Understanding (SU), Partial Understanding Positive (PUP), Partial Understanding Negative (PUN), No Understanding (NU), Misconception (MC), and No Coding (NC). The largest conception category is MC. Misconceptions are still found in the sub-concept of transverse wave in various representations. In conclusion, MOFI-OTW can be developed through the ADDIE model by utilizing the Rasch analysis and used to explore students' conceptions and misconceptions.
Pengaruh Penerapan Pembelajaran Model Ryleac Berbantuan PhET Terhadap Keterampilan Proses Sains Siswa Tirtawaty Abdjul; Nancy Katili; Septiana Kurniasari; Muhammad Yunus
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 5 (2022): November
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i5.2235

Abstract

This study aims to determine the effect of applying the PhET-assisted Ryleac model of science learning tools on students' science process skills. The research method is a quasi-experimental design with a one-group pretest-posttest research design. The location of this research is at Junior High School, SMP Negeri Tangagah, in class VIII, Bolaang Uki District, Bolaang Mongondow Selatan Regency, in the 2021/2022 Academic Year. The sample in this study were students of class VIII types A and B. The researcher first validated the Ryleac model of science learning tools assisted by PhET by expert validators and obtained the overall results that the learning tools were very valid. The results of this study indicate that applying the Ryleac model of science learning tools assisted by PhET in learning can improve students' science process skills because students' learning activities are excellent during the learning process. Observation of students' science process skills during the learning process showed excellent results. All students' average responses positively responded to PhET-assisted Ryleac learning with an excellent category. The test results for science process skills showed that PhET-assisted Ryleac model learning could improve students' science process skills
Development of Interactive Learning Media Based on Lectora Inspire on Excretion System Materials Rosmayanti Dalimunte; Rohani Rohani
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 5 (2022): November
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i5.2243

Abstract

This development research aims to determine the feasibility of Lectora Inspire-based interactive learning media and its effectiveness on the learning outcomes of class XI students. This research was conducted at MAN Labuhanbatu by focusing on the development of Lectora Inspire-based interactive learning media on excretion system materials in class XI. This research method uses the ADDIE model development research method. This data collection technique uses questionnaires, and observation sheets. The results of the study stated that from three validators the media expert validators gave a score of 80% (Feasible). The material expert also provided an 88% final result with the category "Very Decent". The assessment response in teachers when conducting learning trials received a "very decent" score of 88%. The results of research on the application of Lectora Inspire-based interactive learning media to the subject matter of the excretory sub-system biology to student learning outcomes obtained very effective results. get a gain score of more than 29. It can be concluded that this developed medium is very effectively used in learning for class XI.
Analysis the Conceptual Understanding Level and Understanding Model of Pre-Service Physics Teacher Hendri Saputra; Dona Mustika
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 5 (2022): November
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i5.2246

Abstract

Understanding in physics concept is needed to solve the problem in life. the aim of this research was to analyze the students’ level of conceptual understanding level and students’ model of understanding. It will help educators in selecting the suitable teaching approaches and strategies to gain conceptual understanding. This research design used a quantitative-descriptive model. The design aims to describe the conceptual understanding level of pre service teacher on Newton’s Laws concept. The subjects were 40 students of Physics Education Department UNSAM who credited Fundamental of Physics course. Analysis conceptual understanding level and understanding model of pre-service physics teacher used instrument test which developed by Saglam. This research show that the students’ level of understanding (pre-service physics teacher, UNSAM) was vary about Newton’s law concepts but show the insignificant numbers among levels. Generally, students’ achievement has no fallen progressively. It explains, students reach different success in the questions about conceptual understanding. While students’ understanding models, they most appear in theoretical model (TM) and inappropriate model (IM). This result support the improvement of pre-service physics teachers’ conceptual understanding
Isolation, Molecular Identification and Antibacterial Activity of Endophytic Bacteria from the Bark of Plumeria acuminata Lalu Zulkifli; Dewa Ayu Citra Rasmi; AA Sukarso; Yayuk Andayani; Dwi Soelistya Dyah Jekti
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 3 (2022): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i3.2249

Abstract

Endophytic bacteria are able to produce bioactive compounds that are important for applications in the medical field. This study aims to isolate, identify and test the antibacterial activity of endophytic bacteria from the bark of Plumeria acuminata growing in the Mataram area. Isolation was carried out using four types of media, namely NA, TSA, MAC, and BHI. The well diffusion technique was used to test the inhibitory ability of the endophytic bacterial extract against the test pathogenic bacteria. The four test bacteria used were S. aureus, B. cereus, P. aeruginosa, K. pneumoniae. Isolates that showed inhibitory activity were then identified morphologically, biochemically and molecularly based on the 16S rRNA gene. The results of the isolation process obtained 35 colonies. where 9 of them inhibit the growth of test bacteria. There were 2 isolates that able to inhibit the growth of 4 types of test bacteria with an average clear zone diameter of very strong category (21–30 mm), namely isolates T1 and T2. The N2 isolate had the highest average inhibition zone compared to all isolates of endophytic bacteria, which was 32 mm, but was specific for P. aeruginosa. Two isolates, namely B1 and M3 gave various growth inhibitory effects with strong to very strong categories. Other isolates showed various antibacterial effects against at least 2 types of test bacteria. S. aureus was the most resistant pathogenic bacteria to the treatment of endophytic bacterial isolate extract. The cell shape of all endophytic isolates was streptobacillus with or without spores, and 50% of them were Gram-positive. Molecular identification based on the 16S rDNA gene grouped the 9 isolates into 2 main clusters, namely the genus Bacillus and the genus Pseudomonas. Isolates that were closely related to the genus Bacillus showed higher inhibitory activity than those of Pseudomonas. The results showed that isolates of endophytic bacteria from the bark of P acuminata have the potential as an important source of antibacterial substances.
The Effect of Blended Learning Model (BLM) on Student Achievements: A Meta-Analysis Asrizal Asrizal; Ukhlufi Khairi; Yulkifli; Murtiani Murtiani; Vivi Mardian
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 5 (2022): November
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i5.2260

Abstract

The 21st-century learning requires teachers to develop the abilities of students and change the learning system from teacher-centered to student-centered. In fact, the learning process still uses conventional and teacher-centered methods, so that student learning outcomes are low. For this reason, the BLM (Blended Learning Model) is applied to improve student learning outcomes in physics subjects. This study aims to determine the effect of similar studies using the BLM on students’ achievement. The type of research used is meta-analysis research with a quantitative approach. The results of this study are the first, namely the influence of similar studies from the BLM which shows that BLM has a significant influence on student achievement. Second, based on grade level, the effect of similar studies from the BLM shows that grade XI has a more significant impact. Third, based on the learning material, the effect of similar studies from the BLM shows that the optical topic has a significant impact. Fourth, based on learning media that has a more significant impact than similar studies, namely the schoology application. This research can be used as a reference for developing BLM on different materials, school levels, and various interactive media

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