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This study aims to determine the improvement and category of improvement in students' understanding of the concept of buffer solutions by applying the Search, Solve, Create, and Share learning model. The form of this study is an experimental research with a Randomized Control Group Pretest-Posttest design. The population of this study is all students of class XI MIPA SMAN 7 Pekanbaru for the 2024/2025 school year. The research sample was students in class XI MIPA 1 as an experimental class and students in class XI MIPA 2 as a control class. The experimental class was given the treatment of the application of the SSCS learning model, while the control class was given learning without the SSCS model. The results of the data hypothesis test analysis technique used the right-hand t-test. Based on the analysis of research data, it was obtained that the tcount of 2.07 was greater than the ttable of 1.67 (dk = 67, α = 0.05) with the category of increasing students' understanding of concepts of 0.74 in the high category. The results of the study show that the Search, Solve, Create, and Share (SSCS) learning model can improve students' understanding of the concept of buffer solutions in class XI MIPA SMAN 7 Pekanbaru.

This research examines the effectiveness of using a repertoire class as a learning strategy in the Media Music course of the Film and Television Production Study Program at the Indonesian Institute of the Arts, Yogyakarta. The course, offered in the fourth semester, focuses on film music creation, mood development, and instrumental understanding. The study applies the Classroom Action Research method with the primary goal of improving students’ comprehension of film scoring components. Pre-cycle findings showed that students’ understanding was relatively low under previous teaching approaches. To address this, the repertoire class method was introduced. This strategy emphasises active learning through sound samples from various instruments, allowing students to directly experience and analyse how musical elements shape the mood of a film. The interactive design of this method provides not only theoretical insights but also practical, auditory experiences that deepen learning. The research was carried out in three CAR cycles, each evaluating student progress and adjusting strategies as needed. Results demonstrate a notable improvement in learning outcomes. The percentage of students achieving Excellent and Very Good categories increased significantly, while the number in the Poor category decreased. These findings confirm that repertoire classes, especially those incorporating instrumental sound samples, are highly effective in enhancing students’ understanding of the emotional dimension of film music. In conclusion, this approach enriches the learning experience and equips students with both technical knowledge and emotional sensitivity in film scoring. By integrating practice-based methods, the repertoire class proves to be a valuable strategy in media music education.

Employee performance appraisal is a crucial aspect of human resource management and development, as the evaluation results serve as the basis for managerial decision-making, including promotions, incentives, and career development. However, unstructured assessment sistems often hinder the objectivity, transparency, and accuracy of performance evaluations. This study aims to design and develop a web-based Decision Support Sistem (DSS) to assess the performance of Biller employees at the ULP PLN Kuala office by applying the Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) method. TOPSIS was selected because it effectively addresses multi-criteria decision-making problems by comparing each alternative to both positive and negative ideal solutions. The evaluation criteria include invoice achievement, account return balance, and PAL balance. The sistem was developed using PHP as the programming language and MySQL as the database, ensuring integration and accessibility. The test results indicate that the sistem is capable of providing employee rankings in an objective and measurable manner. Based on the calculation, Tri Widodo achieved the highest score (0.8027), demonstrating the best performance among the evaluated employees. The implementation of this TOPSIS-based DSS makes the performance appraisal process more sistematic, efficient, transparent, and accurate, thereby contributing to the improvement of human resource management quality within the organization.  

Pain is one of the main complaints experienced by postoperative patients, including those undergoing laminectomy, which can interfere with comfort, hinder mobility, and slow the healing process. Non-pharmacological nursing interventions such as relaxation techniques have become important alternatives for reducing pain holistically. This study aims to evaluate the effectiveness of the finger-holding relaxation technique in reducing pain in postoperative laminectomy patients. The study used a descriptive case study design involving a patient named Mrs. S in the Amarilis Ward of Prof. Dr. Margono Soekarjo Regional Hospital, Purwokerto. The intervention was carried out for three consecutive days, twice a day, with each session lasting 15 minutes. The results showed a marked decrease in pain score from a scale of 7 (severe pain) on the first day to 1 (mild pain) on the fourth day, accompanied by gradual improvement in physical mobility, absence of surgical wound infection, and better discharge readiness. This technique also had a positive impact on the patient’s emotional comfort. Therefore, the finger-holding relaxation technique is proven to be a simple yet effective intervention in supporting the holistic recovery of postoperative laminectomy patients.

This study aims to examine the effect of the Time Token learning model on the speaking skills of fifth-grade students at SD Negeri Parung Bingung 1. The research employed a quantitative approach with a quasi-experimental design. The sample consisted of 58 students, divided into an experimental class (using the Time Token model) and a control class (using direct instruction). Data were collected through speaking skill tests (pre-test and post-test) and analyzed using descriptive and inferential statistical tests. The findings revealed a significant improvement in speaking skills in the experimental class compared to the control class. The average pre-test score of the experimental class increased from 23.67 to 35.03 in the post-test, while the control class improved from 31.07 to 40.11. An independent t-test indicated that the Time Token learning model had a significant effect on students’ speaking skills (p < 0.05). The study concludes that the Time Token model is effective in enhancing students’ speaking skills by providing equal opportunities for each student to speak, reducing anxiety, and promoting active participation in learning. Therefore, this model can serve as an alternative for teachers in developing more interactive and effective teaching methods.

This study analyzes the effectiveness of digital educational games, particularly the “Who Am I?” game on the Wordwall platform, in enhancing students’ knowledge of Indonesian language learning. The research is motivated by the need for junior high school teachers to design engaging learning methods that can foster enthusiasm among adolescents. Educational games are viewed as innovative media that present concepts in a simple yet enjoyable way, making lessons more interactive and accessible. Using a descriptive quantitative approach, the study involved 30 eighth-grade students at SMP Negeri 38 Surabaya. Data collection included pre-tests and post-tests to quantitatively measure learning outcomes, as well as questionnaires to capture student responses. Findings indicate a notable improvement in student achievement after the application of the “Who Am I?” game. The average pre-test score was 71.33, which rose to 91.00 on the post-test, showing an increase of 19.67 points. Results of a paired t-test confirmed that the difference was statistically significant, demonstrating that the improvement was due to the intervention. Additionally, questionnaire results showed that students felt more motivated, engaged, and able to understand the material more effectively through this game. Overall, the “Who Am I?” game on Wordwall proved to be an effective learning tool, and its use is recommended for teachers seeking to implement game-based strategies in classroom instruction.

This study analyzes the effectiveness of digital educational games, particularly the “Who Am I?” game on the Wordwall platform, in enhancing students’ knowledge of Indonesian language learning. The research is motivated by the need for junior high school teachers to design engaging learning methods that can foster enthusiasm among adolescents. Educational games are viewed as innovative media that present concepts in a simple yet enjoyable way, making lessons more interactive and accessible. Using a descriptive quantitative approach, the study involved 30 eighth-grade students at SMP Negeri 38 Surabaya. Data collection included pre-tests and post-tests to quantitatively measure learning outcomes, as well as questionnaires to capture student responses. Findings indicate a notable improvement in student achievement after the application of the “Who Am I?” game. The average pre-test score was 71.33, which rose to 91.00 on the post-test, showing an increase of 19.67 points. Results of a paired t-test confirmed that the difference was statistically significant, demonstrating that the improvement was due to the intervention. Additionally, questionnaire results showed that students felt more motivated, engaged, and able to understand the material more effectively through this game. Overall, the “Who Am I?” game on Wordwall proved to be an effective learning tool, and its use is recommended for teachers seeking to implement game-based strategies in classroom instruction.

This study investigates the use of experimental statistical analysis as an instructional approach to enhance students’ understanding of variable relationships in science learning. Many students tend to memorize experimental results without comprehending the underlying relationships between variables, resulting in limited analytical reasoning and superficial understanding. To address this issue, the present study explores how integrating basic statistical tools-such as mean, correlation, and regression-into experimental activities can strengthen conceptual comprehension, analytical reasoning, and scientific literacy. Grounded in constructivist and inquiry-based learning frameworks, the research emphasizes active engagement, where students participate in data collection, analysis, and interpretation to draw evidence-based conclusions. The study employed a quasi-experimental design involving science students divided into experimental and control groups. Both groups conducted similar laboratory experiments, but only the experimental group received explicit instruction in statistical analysis. Data were collected through pre-tests and post-tests to measure changes in students’ understanding of variable relationships. The results indicated a 25% improvement in the experimental group’s comprehension and reasoning ability compared to the control group. Students who applied statistical analysis demonstrated greater proficiency in interpreting data, identifying causal patterns, and connecting theoretical knowledge to experimental findings. In contrast, students taught through traditional narrative-based instruction showed minimal gains and relied heavily on memorization. The findings highlight the effectiveness of integrating statistical reasoning in promoting critical thinking, problem-solving, and scientific reasoning skills.

This study assesses the influence of organizational culture, physical work environment, and non-physical work environment on employee performance at UD. Sumber Rejeki. Organizational culture is understood as the values, norms, and patterns of behavior agreed upon by members. The physical work environment refers to tangible conditions such as layout, lighting, and cleanliness. The non-physical work environment relates to the psychological climate and social relationships in the workplace. The research design is quantitative with a census or saturated sample technique. All 32 employees were respondents. The instrument was compiled using a Likert scale. The data were processed using SPSS 25. The analysis stages included validity, reliability, normality, multicollinearity, heteroscedasticity, multiple linear regression, t-test for partial effects, f-test for simultaneous effects, and the coefficient of determination R². The partial test results showed that organizational culture did not have a significant effect on employee performance. Conversely, the physical work environment and non-physical work environment had a positive and significant effect. The simultaneous test confirmed that the three variables together had a positive and significant effect on performance. These findings indicate that improvements in physical aspects such as room comfort, equipment, and safety standards, as well as strengthening non-physical aspects such as supervisor support, role clarity, and communication, are more directly related to performance improvement than existing cultural characteristics. In practical terms, management needs to prioritize programs to improve the physical work environment and psychological climate, accompanied by periodic evaluations so that the impact can be measured against performance indicators.

Iron deficiency anemia is a significant public health problem in pregnant women, because it can cause maternal and fetal complications. Compliance with iron tablet consumption is often low due to limited knowledge, side effects, and cultural misconceptions. Leaflet-based education is a low-cost intervention that has the potential to improve understanding and compliance. This study aims to analyze the effect of leaflet education on the adherence of iron tablet consumption in pregnant women at the Pujon Health Center, Batu. The research design used a quasi-experiment with a pretest-posttest control group design. A total of 40 pregnant women were divided into an intervention group (n = 20) that received leaflet education and a control group (n = 20) that received standard counseling. Compliance was measured over four weeks through self-consumption records and tablet count calculations, while knowledge was assessed with a structured questionnaire. Data analysis used the Chi-square test with a significance level of p < 0.05. Results showed a significant improvement in adherence in the intervention group, with 70% of pregnant women complying compared to 15% in the control group (p = 0.001). Leaflet education also increased knowledge scores and consistency of iron tablet consumption. The conclusion of this study confirms that leaflet education is effective in increasing iron supplementation adherence, so it is recommended to be integrated into routine antenatal services to prevent anemia and support maternal and fetal health.

This study aims to analyze the potential of micro, small, and medium enterprises (MSMEs) in enhancing the local economy through a case study of the Nay-Nay beverage business in Medan City. The research focuses on the contributions of MSMEs to job creation, income generation, improvement of purchasing power, development of local human resource skills, and the involvement of the local community in supply chain activities. A qualitative approach with a descriptive case study design was employed, utilizing semi-structured interviews, participant observation, and documentation analysis for data collection. The findings indicate that Nay-Nay plays a significant role in strengthening the local economic structure. The business creates employment opportunities for the surrounding community, increases household income, and contributes to the development of workforce competencies relevant to the food and beverage service industry. Moreover, the inclusion of local suppliers in the procurement of raw materials and distribution processes generates a multiplier effect that stimulates the local business ecosystem. Nonetheless, the enterprise faces notable challenges such as limited access to capital, price volatility of raw materials, and intense market competition. Overall, this study affirms that MSMEs are crucial drivers of inclusive and sustainable economic development and highlights the need for policy interventions that enhance managerial capacity and improve access to financing for small business actors.

Sustainable tourism aims to maximize the potential of travel destinations while maintaining a careful balance between social, economic, and environmental factors, and coastal tourism such as that found at Mutun Beach in Lampung illustrates both the promise and the urgency of this approach. Coastal tourism is one of the fastest-growing segments of the global travel industry, offering visitors natural beauty, recreational activities, and cultural experiences that generate significant income for local economies. In Indonesia, beaches are major attractions that can boost regional development through job creation, small business opportunities, and improved infrastructure. Mutun Beach, a well-known coastal destination on the southern coast of Sumatra, contributes greatly to the Regional Original Income (PAD) of Lampung Province and provides livelihoods for surrounding communities. Yet despite its popularity, the area continues to face persistent problems such as weak administrative management, limited community participation, inadequate facilities, and signs of environmental degradation, all of which threaten its long-term sustainability. This service project therefore focuses on designing a comprehensive plan for sustainable tourism growth at Mutun Beach for the 2025–2030 period. A participatory strategy is employed through Focus Group Discussions (FGD) involving local government, tourism stakeholders, community members, academics, and potential investors to ensure inclusive decision-making. The resulting five-stage roadmap emphasizes strengthening tourism regulations, constructing eco-friendly infrastructure, empowering residents with training and entrepreneurial opportunities, creating tourism products that highlight environmental and cultural values, and adopting digital marketing to reach broader audiences. Success indicators include increased regional revenue, rising visitor numbers, higher tourist satisfaction, and measurable improvements in coastal environmental health. Implementing this roadmap is urgent because coastal tourism directly supports economic growth, provides steady employment, and safeguards natural resources, ensuring that Mutun Beach remains both competitive and environmentally resilient for generations to come.

This study aims to determine the effect of Problem Based Learning (PBL) and Inquiry learning models on students’critical thinking skills and cognitive learning outcomes on the topic of the human respiratory system. This research used a quasi-experimental design with a Non-Equivalent Pretest-Posttest Control Group Design. The research subjects were three eighth-grade classes at SMP Negeri 13 Lebong, consisting of two experimental classes taught using the PBL and Inquiry models and one control class using conventional methods. The research instruments included essay tests to measure critical thinking and multiple-choice tests to assess cognitive learning outcomes. Data were analyzed using ANOVA and LSD tests. The results showed significant differences among the three groups. The PBL model produced the highest improvement in both variables, followed by Inquiry, and lastly the control group. Therefore, PBL is proven to be the most Effective model inimproving students' critical thinking and cognitive learning outcomes in science education.

This study aims to determine the effectiveness of the question-and-answer method in improving students’ understanding of Islamic Education (PAI) material at Madrasah Aliyah Muhammadiyah 1 Medan. This research employs a quantitative approach with a simple descriptive design. The sample consisted of 5 respondents who were eleventh-grade students. The instruments used were comprehension tests administered before and after the implementation of the question-and-answer method, as well as observation sheets to assess student engagement during the learning process. The data were analyzed using mean and percentage calculations to identify the improvement in learning outcomes. The results show a significant increase in students’ understanding after applying the question-and-answer method. Students became more active in answering and asking questions, making the classroom atmosphere more interactive. This proves that the question-and-answer method is effective as a learning strategy in PAI to enhance students’ conceptual understanding. This study is expected to serve as a reference for PAI teachers in selecting appropriate teaching methods to improve the quality of the teaching and learning process.

The increasing demand for cloud computing services has led to the rapid expansion of cloud data centers, which consume significant amounts of energy and contribute substantially to global CO2 emissions. As the IT industry grows, the environmental impact of these data centers becomes an urgent concern. Green Cloud Computing (GCC) has emerged as a solution to mitigate this impact by focusing on energy efficiency and reducing carbon footprints while maintaining the necessary functionality and performance of cloud infrastructures. However, traditional blockchain consensus algorithms such as Proof of Work (PoW) and Proof of Stake (PoS) face limitations regarding energy consumption and scalability, which exacerbates the environmental burden. This study proposes a quantum-inspired blockchain consensus algorithm designed to optimize energy consumption and reduce latency in cloud data centers. By integrating quantum principles such as superposition and entanglement, the algorithm enhances task scheduling and resource utilization, enabling more energy-efficient operations without sacrificing performance. Simulations in a green cloud environment showed that the quantum-inspired algorithm resulted in up to a 30% reduction in energy usage compared to traditional consensus methods, with a 40% improvement in consensus processing time. These results suggest that quantum-inspired algorithms hold significant potential for enhancing the sustainability of cloud infrastructures by improving energy efficiency and scalability. Furthermore, this study discusses the feasibility of implementing quantum-inspired algorithms on classical hardware, addressing challenges in scalability and integration into existing blockchain frameworks. The findings provide valuable insights into the potential of quantum-inspired technologies to drive energy-efficient solutions in cloud computing.

This research aims to: (1) produce mathematics learning media in the form of interactive e-modules with a learning approach.realistic mathematics education (RME) which is oriented towards numerical ability and mathematical growth mindset students and describe their characteristics; (2) describe the quality of the learning e-module which meets the criteria of being valid, practical and effective so that it is suitable for use by junior high school students using the approach realistic mathematics education (RME). The development model used in this development research is the ADDIE development model (Analysis, Design, Development, Implementation, and Evaluation). The research subjects consisted of one teacher and 32 seventh grade students of SMP Negeri 3 Pajangan in Bantul Regency, Yogyakarta, who participated in this research.The results of the study show that the developed e-module has the following main characteristics: (1) using the RME approach in learning strategies; (2) facilitating the improvement of numeracy through learning videos, LKPD, and quizzes; (3) fostering growth mindset through motivational videos, inspirational sentences, discussion spaces, as well as feedback and self-evaluation features; and (4) using test- and questionnaire-based evaluation instruments. Validity tests showed very good results with an average score of 96% from media experts and 98% from material experts. The practicality of the e-module was assessed as very good by teachers (96.19%) and good by students (80.47%), and the implementation of learning reached 96.8%. Effectiveness was proven through MANOVA and t-tests which showed a significant increase in numeracy and mathematical growth mindset after using the e-module. Thus, the RME-based interactive e-module is suitable for use as an innovative mathematics learning medium at the junior high school level.

This study aims to determine the effect of training and competency development on the improvement of competencies among Papuan students in the YPMAK – Binterbusih Scholarship Program. The research is based on the importance of training and development in preparing high–quality and competitive human resources from Papua. A quantitative research method with a survey approach was employed. Data were collected through questionnaires distributed to recipients of the YPMAK – Binterbusih scholarship. The results of the analysis indicate that the training variable has a positive and significant effect on student competency improvement, with a significance value of 0.001 (p < 0.05). Likewise, the competency development variable also shows a significant influence with the same level of significance. Simultaneously, the two independent variables contribute 79.3% to the improvement of student competencies, while the remaining 20.7% is influenced by other factors beyond the scope of this study. These findings emphasize that systematically and relevantly designed training and development programs can enhance both the academic and non-academic capabilities of Papuan students. Therefore, it is recommended that YPMAK continue to enhance structured and sustainable training programs to develop a generation of Papuans who are competent and ready to compete at national and global levels.

Acne is a common health problem experienced by adolescents, a skin disease found particularly in teenagers. Acne begins to emerge during puberty, and the main factors causing it are a lack of facial hygiene, excessive sebum production, clogged pores, and Propionibacterium acnes bacterial infection. The purpose of this study was to determine the effect of education on Piper crocatum in treating acne. This was a quasi-experimental study using a one-group pretest-posttest design. The population consisted of all 55 eleventh-grade students at Futuhiyyah Mranggen High School. Total sampling was used as the sampling technique. Data collection was done using pre- and post-questionnaires to assess the level of knowledge about Piper crocatum. Data were analyzed using the Wilcoxon test. The results showed a p-value of 0.00 (<0.05), indicating that there was an effect of providing education about Piper crocatum in treating acne in adolescents. The Z-value was -6.681, which means that the education about Piper crocatum had a significant effect, leading to an improvement in facial condition before and after the education was provided. In conclusion, providing education had a significant effect on the knowledge of adolescents about Piper crocatum in treating acne. The recommendation is that educating adolescents can increase their knowledge, understanding, and awareness of Piper crocatum as a treatment for facial acne.

The Rempang Eco City area in Batam City has great potential for SMEs, especially in the culinary and local product sectors. However, the development of SMEs in this area is still limited due to a lack of knowledge about product packaging and minimal use of digital technology for marketing. The mentoring program conducted by KKN student group 62 aims to improve the competitiveness of SMEs through strengthening more modern packaging and digital marketing strategies using social media, especially Instagram. The method used is a qualitative approach with participatory observation, in-depth interviews, and group discussions. The stages of activities include an initial survey to map the potential and conditions of MSMEs, conducting workshops and training on product design, packaging, and digital marketing, as well as direct assistance in creating and managing social media accounts. The results of the activities show an improvement in the ability of MSME actors to create attractive packaging designs, manage social media as a product showcase, as well as increased digital interaction with consumers. This program successfully increased the selling value of products, expanded market reach, and built the confidence of MSME actors. Although there are challenges related to digital literacy and creativity, this program has a positive long-term impact in promoting economic independence in the community and strengthening local cultural identity in Rempang Eco City.

Introduction: Back pain during pregnancy is a problem that is often experienced by pregnant women and is complex because it involves not only physical changes, but also psychological aspects. Changes in body biomechanics, weight gain, and shifting of the center of gravity due to uterine enlargement are the main factors that trigger pain complaints, especially in the lower back area. This condition can have a negative impact on the quality of life of pregnant women, interfere with daily activities, and even worsen emotional states due to the emergence of anxiety, fear, and stress if not managed properly. Treatment of back pain in pregnant women can be done through safe non-pharmacological methods, one of which is prenatal yoga. Yoga practice for pregnant women has been proven to provide benefits in the form of relaxation, posture improvement, and increased muscle elasticity. One of the effective movements is the Angry Cat Pose because it is able to stretch the back muscles, improve blood circulation, and reduce pressure on the lower spine. Objective: This study aims to analyze the effect  of Angry Cat Pose  exercise on the intensity of back pain in pregnant women in the third trimester. Methods: This study used a quasi-experimental design with a one group pretest-posttest design. The study sample consisted of 31 pregnant women in the third trimester with complaints of back pain who visited the Gunungpati Health Center. The research instrument was in the form of a questionnaire, while the data analysis was carried out using the Wilcoxon test with a significance level of <0.05. Results: The results showed a significant effect of the Angry Cat Pose  exercise on the reduction of back pain in pregnant women in the third trimester with p=0.000. After the intervention, the majority of respondents experienced a decrease in pain to the mild category on a scale of 1–3. Conclusion: The Angry Cat Pose  exercise has been shown to be effective in reducing back pain in third trimester pregnant women, so it can be recommended as a safe, simple, and routine nonpharmacological intervention under the supervision of health workers.