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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 179 Documents
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Search results for , issue "Vol 10 No 12 (2024): December" : 179 Documents clear
Bahasa Inggris Purwanti Purwanti; Muhammad Syaipul Hayat; Endah Rita Sulistya Dewi
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9532

Abstract

21st century education demands innovation in learning to develop students' creative thinking skills.  This study aims to measure the effect of implementing STEAM-SDGs-based science learning on the concept of energy on students' creative thinking skills. The research method used a quasi-experimental method with a one-group pretest-posttest design. The subjects of the study were 32 students of grade VIII of SMP Negeri 1 Jumo, Temanggung Regency. Data collection was carried out using a creative thinking skills test instrument and the research data were analyzed using the rasch model. The results showed a significant increase in students' creative thinking skills, with an average pretest score of 35.83 and a posttest score of 82.32. Welch's t-test showed a significant difference between the pretest and posttest (t = -6.31, df = 55, and prob = 0.001, p <0.05). The greatest increase occurred in the fluency, flexibility, and elaboration indicators, while the originality indicator experienced a lower increase. STEAM-SDGs integration has proven effective in improving students' creative thinking skills, with the highest indicator in flexibility (90.24) and the lowest in originality (69.93). This study suggests that combining STEAM with global sustainability issues such as the SDGs can prepare students to face 21st century challenges and increase their awareness of environmental and sustainability issues.
Evaluation of Aloe Vera (Aloe Barbadensis) Instant Powder on Bone and Tooth Development in Pregnant Women Ida Rahmawati; Hapisah; Neny Setiawaty Ningsih; Emilda Sari; Waljuni Astu Rahman; Noor Adha Aprilea
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9536

Abstract

This study aimed to evaluate the physical, chemical, biological, stability, and clinical effects of aloe vera (Aloe barbadensis) instant powder on pregnant women. The research involved formulating the powder, assessing its physical properties (flow time, dwell angle, compressibility index), and conducting chemical analysis (phytochemical screening). Microbial contamination was tested using the Most Probable Number and Total Plate Count methods, and stability was assessed over two months. Clinical trials were conducted with two groups: one receiving the aloe vera instant powder and the other receiving calcium supplements (positive control), each consisting of 5 pregnant women for 10 days. The results showed that the powder had a flow time of 8.63 seconds, a dwell angle of 34.33°, and a compressibility index of 7.70%. Chemical screening revealed the presence of flavonoids, phenolics, tannins, saponins, steroids, and interquinones. No microbial contamination was detected, and the powder remained stable. Clinical trials showed a significant increase in red and white blood cells, hemoglobin, potassium, calcium, phosphorus, and magnesium levels in the group receiving the aloe vera instant powder. In conclusion, aloe vera instant powder is stable and enhances hematological parameters and mineral levels in pregnant women.
Studi Pendahuluan Preliminary Study on Students Critical Thinking Skills on Temperature and Heat Material Irvan Nur Rizki; Leni Marlina; Ismet Ismet
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9537

Abstract

This preliminary study investigates the critical thinking skills of Grade VII students at SMP Negeri 01 Belitang Jaya on the topic of temperature and heat, focusing on Ennis's critical thinking indicators. It aims to identify students' critical thinking levels based on five indicators and highlight areas needing improvement. The study uses a qualitative descriptive method, involving 154 students from five classes. Data were collected through questionnaires covering five indicators: providing simple explanations, building basic skills, drawing conclusions, providing further explanations, and managing strategies and tactics. The findings show that students excel in providing simple explanations (74.66%, high category). However, they perform moderately in building basic skills (46.79%), drawing conclusions (58.54%), and providing further explanations (41.60%). Managing strategies and tactics scored the lowest (31.20%, low category). These results suggest a need for targeted educational interventions, especially in strategy and tactics management. The study provides a reference for developing interactive teaching materials, such as augmented reality-assisted e-modules, to improve students' engagement and critical thinking skills. It lays the groundwork for innovative teaching strategies to make the learning process more effective and engaging
Characterization of TPO Enzyme and its Immunogenecity in New Zealand White Rabbits (Oryctolagus cuniculus) Devi Ramadani; Andreas Budi Wijaya; Arie Srihardyastutie; Dyah Kinasih Wuragil; Rulli Rosandi; Achmad Rudijanto; Aulanni'am Aulanni'am
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9539

Abstract

Hypothyroidism is characterized by inadequate production of thyroid hormones, chiefly thyroxine (T4) and triiodothyronine (T3). Thyroid peroxidase (TPO), is an enzyme and crucial for producing thyroid hormones, and also serves as a primary autoantigen in autoimmune thyroid conditions, such as Hashimoto's thyroiditis and Graves' disease. The existence of anti-thyroid peroxidase antibodies (anti-TPO) indicates an autoimmune response in which the immune system TPO which is normally recognized as part of the body (self), begins to be identified by the immune system as a something foreign (non-self). This study aimed to characterize, measure TPO activity, and evaluate the immunogenicity of TPO protein derived from patient serum and its ability to induce TPO antibody production in New Zealand White Rabbits. TPO protein isolation was achieved through SDS-PAGE and confirmed by western blot technique have molecular weight of 52 kDa. In samples from normal patients, the average TPO enzyme activity was 31.34 U/mL, while in hypothyroid patients, the average activity increased to 49.46 U/mL. TPO polyclonal antibody production in rabbits indicated its immunogenicity, peaking in week eight post-immunization, with an ELISA absorbance of 0.555. Dot blot analysis further confirmed anti-TPO sensitivity at various dilutions, anti-TPO has a high sensitivity at 1:80 dilution still detects TPO in sera patient.
PENGEMBANGAN E-MODULE BERBASIS SCIENCE TECHNOLOGY SOCIETY (STS) PADA MATERI SISTEM IMUN DALAM MENINGKATKAN KETERAMPILAN BERPIKIR KRITIS SISWA Noviani Noviani; Himmatul Hasanah
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9549

Abstract

This study aims to produce an e-module based on Science Technology Society (STS) on the immune system material that is effective in improving critical thinking skills of grade XI high school students. This type of research is Research and Development (R&D) with the ADDIE research model (Analysis, Design, Development, Implementation, and Evaluation). The sampling technique used in this study was cluster random sampling with a research design of non-equivalent pretest and posttest control group design. The e-module was assessed for its feasibility and practicality by experts and limited trials. The results of this study indicate that the e-module is declared feasible and the results of the limited test of the use of the e-module are declared practical. The results of the large-scale test show that in the experimental class by implementing the STS-based e-module there was an increase in critical thinking skills with an average posttest score of 81.53 with the results of the gain score test on the medium criteria. While the control class also experienced an increase in critical thinking with an average posttest score of 77.00 with the results of the gain score test on the low criteria
The Role of Natural Science in HRM at Industry 4.0 Era Didik Hadiyatno; Dwi Taufik Rohman; Tutik Yuliani; Wiwik Saraswati
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9557

Abstract

Natural sciences—particularly psychology and biology—can be applied to better understand human behavior, cognitive processes, stress responses, and other factors influencing workplace dynamics and employee well-being. Natural science relies on empirical evidence gathered through observation, experimentation, and data analysis. It aims to formulate theories and laws that explain the natural world and predict future outcomes. The emergence of Industry 4.0 has transformed the landscape of Human Resource Management (HRM) by introducing advanced technologies, including artificial intelligence (AI), machine learning, and big data analytics. These innovations have enhanced HRM processes such as recruitment, training, performance evaluation, and employee engagement. Natural sciences play a critical role in understanding the dynamics of these technological advancements, offering insights into human behavior, cognitive processes, and organizational ecosystems. This article explores how principles of natural science, including biology, psychology, and neuroscience, integrate with modern HRM practices in the 4.0 era. Through a qualitative approach, we examine case studies to illustrate the application of natural science in HR strategies, highlighting the advantages and challenges of adopting a scientifically-informed HRM framework.
Multi-criteria Group Decision Making Model to Selecting the Most Appropriate Performance of Contract Employees Using the Weighted Aggregated Sum Product Assessment and Borda Methods Yuanita Candra Puspita; Bayu Surarso; Jatmiko Endro Suseno
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9566

Abstract

This research aims to evaluate the performance of contract employees using the Weighted Aggregated Sum Product Assessment and Borda methods. The Weighted Aggregated Sum Product Assessment approach uses mathematical calculations, thereby producing precise and accurate results. The Borda technique is useful because it efficiently aggregates diverse rankings of alternatives through voting groups that combine many preferences. The choice of these two methodologies has the ability to produce more efficient solutions to complex problems by guiding or making decisions more quickly in resolving problems. The determining criteria for assessing the performance of contract employees are punctuality or attendance, skills, knowledge, communication, decision making, discipline, adaptation to the work environment, work safety and initiative.  The results of the calculation process from the ranking combination of the weighted aggregate sum product assessment and the borda method were obtained by placing alternative 5 as an employee who is worthy of being a permanent employee and getting the highest score of 0.288. All calculations using this method can be a guide in making decisions at PT SMART Tbk Surabaya, because the accuracy of contract employee performance evaluations has a significant influence on achieving company goals in the permanent employee recruitment process.
Correlation Between Phytoplankton and Bacteria in Pond Water with the Productivity of Vaname Shrimp Ponds (Penaeus vannamei) Cultivated with an Intensive System M. Muhtar Mandele; Muhammad Amin; Gunanti Mahasri
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9575

Abstract

The level of pond productivity is influenced by the environmental conditions of maintenance caused by the physiochemical and biological quality of pond waters. Biological parameters of waters consist of the abundance of Phytoplankton and Bacteria. The purpose of this study was to determine the correlation between the abundance and types of Phytoplankton and Bacteria in pond water to the productivity level of whiteleg shrimp (Penaeus vannamei) ponds in different DOCs cultivated with an intensive system. The research method used observed maintenance parameters, namely the diversity and abundance of Phytoplankton including Green Algae (GA), Blue Green Algae (BGA), Diatome, and Dinoflagellate groups. Other parameters include Total Bacteria Count (TBC), Total Vibrio Count (TVC) Yellow, and Total Vibrio Count (TVC) Green. These research parameters will be subjected to Multiple Linear Regression analysis on the total harvest, feed conversion value (FCR), and survival rate (SR) of whiteleg shrimp obtained from each pond. The results of the study showed that the abundance of Phytoplankton based on the group from the lowest to the highest value was the Dinoflagellate group of 0 cells/mL with the GA group of 1.52 x 106 cells/mL. Parameters found that were significant to the level of pond productivity were the abundance of TBC and BGA (P <0.05). The conclusion is that the level of pond productivity is influenced by the abundance of Phytoplankton and bacteria based on the diversity of their species.
A Strengthening Strengthening Microalgae Biodiesel Production Capacity Based on Strain Selection for Chaetoceros amini, Nannochloropsis oculata and Nitzschia spp. Suripto Suripto; Lalu Japa
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9589

Abstract

Increasing microalgae biodiesel production through improvement of biomass production is reversible and is often considered economically unprofitable. This research aims to determine the effect of various levels of media salinity stress in producing microalgae strains that have higher oil content than the original population. Three species of microalgae are known to be capable of producing biodiesel, namely Chaeticheros amini, Nannochloropsis oculata and Nitzschia spp. isolated from Sekotong coastal waters, West Lombok, then cultivated in bioreactor systems for seven days with salinity stress treatment to produce strains. The resulting strains were cultivated again, but without salinity stress. Microalgae cell density was observed every day and harvested on the seventh day. The resulting microalgae biomass was extracted in stages to produce biodiesel oil. The results showed that after cultivation under salinity stress, S20, S25, S30, and S35 strains were produced from each of these species. Under salinity stress, all strains except S25 of Nitzschia spp. showed a higher maximum cell density compared to the original population and were reversible respectively. Each of the S25 strains of C. amini and N. oculata, S20 and S25 strains of Nitzschia spp., had a higher oil content than the original population, each of which was permanent
Overview of Water Quality in Maintening Tilapia Fish (Oreochromis niloticus) in Floating Net Cages in Lihung Village, Karang Intan, Banjar District, South Kalimantan Rina Iskandar; Yulius Kisworo; Andika Cipta Maulana
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9595

Abstract

Water quality is the quality characteristics required for certain uses of various water sources. The research aims to analyze water quality conditions, water physics (temperature, water color, depth, brightness, and current), water chemistry (pH, BOD, DO, ammonia, and phosphate), and water biology (plankton) in river flows in the village Lihung, diamond coral. This research was conducted in the river waters of Lihung Village, Karang Intan District, Banjar Regency, South Kalimantan Province. Determination of sampling points was carried out using purposive sampling. Physical and chemical parameters in the Lihung Village River that support the development of aquaculture are, temperature, pH, water color, dissolved oxygen (DO), nitrate, while parameters that do not support the development of aquaculture are, brightness, depth, current, biochemical oxygen demand (BOD), ammonia. Physical and chemical parameters still support the survival of fish, although they are still supportive, there are several parameters whose values exceed the water quality standards that have been set. Judging from the pollution index value, the Lihung River is a lightly polluted body of water. So overall the Lihung River is still good for developing fisheries cultivation. The biological parameters of plankton in the Lihung River are 3 genus variants, namely, Bacillariophyceae, Chlorophyceae, and Copepada, with the dominant plankton in the waters being the genus Bacillariophyceae, which is a class of plankton that is good for aquaculture in rivers, with a brownish green river color. Cluster 1 contains stations II and III which are similar in all water quality parameters (temperature, water color, depth, brightness, water flow, pH, DO, ammonia, BOD, phosphate and plankton). From the results of these observations, good water quality results were obtained at both stations. This cluster 2 contains station I which has significant differences in water quality from stations II and III, station I has BOD, ammonia, brightness, depth, and currents that do not support fish cultivation.

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