Rescollacomm (E-Journals)
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Technology-Based Interactive Mathematics Learning: A Case Study of Community Service Activities at SMA PGRI Cicalengka
Full text linkThe This community service activity was conducted through collaboration between the Mathematics Study Program of the Republic of Indonesia National University and SMA PGRI Cicalengka, involving 80 participants consisting of 12th-grade students. The one-day program aimed to enhance students\u27 understanding of mathematics applications in science and technology (IPTEK), including programming algorithm simulations, through interactive lectures. The sessions focused on developing logical thinking, strategic problem-solving skills, and awareness of mathematics\u27 role in daily life.
The event began with an opening ceremony attended by school representatives, faculty members, and university officials. Two main sessions were delivered: the first covered practical applications of mathematics in everyday contexts, while the second highlighted its role in advancing IPTEK through online gaming. Active participation was observed during Q&A sessions. The program concluded with a satisfaction survey, with results analyzed and published as part of the activity\u27s outcomes.
Overall, this initiative successfully introduced students to the interdisciplinary relevance of mathematics while fostering engagement through interactive learning. Follow-up evaluations will assess its impact on strengthening students\u27 appreciation of mathematics in technological and real-world applications
Increasing Students\u27 Creativity and Environmental Awareness Through Recycling Craft Training at Tanjungjaya Village Elementary School
Full text linkThe problem of plastic waste is an urgent environmental issue that requires early handling through an educational approach. This study aims to evaluate the effectiveness of recycling craft training in improving creativity and environmental awareness of elementary school students in Tanjungjaya Village, Panimbang District, Pandeglang Regency. The method used is descriptive qualitative with a participatory approach, involving students, teachers, and the community in the entire activity process. Data were collected through participatory observation, structured interviews, visual documentation, and pre- and post-activity questionnaires. The results of the study indicate that this training is able to develop students\u27 creativity in processing household waste into useful craft products such as flower pots, photo frames, and educational toys. In addition, there was a significant increase in students\u27 environmental awareness, which was reflected in the behavior of sorting waste and utilizing used goods. This activity also builds cooperation between students and strengthens the relationship between schools and the community. These findings support the importance of contextual and real-life experience-based learning in fostering environmental care characters from an early age. Therefore, recycling craft training is recommended as part of environmental-based educational innovations in elementary schools, especially in rural areas, in order to form a creative, responsible, and environmentally aware generation
Cognitive Dissonance Behavior in Online Consumers (Demographic and Cross Cultural Approach)
Full text linkThis study aims to understand cognitive dissonance behavior in online consumers in a demographic and cross-cultural context. The research variables included cognitive dissonance, visual content of the website, psychological (emotions, preferences, perceptions), demographics and cross-culture. This study uses a quantitative approach. Novelty is a research with a demographic and cross-cultural approach in Indonesia. Indonesia has demographic and cultural diversity. The sampling method is purposive sampling. The data collection technique used questionnaires. Data was obtained by 428 respondents. Data analysis with SEM-PLS (Structural Equation Modeling – Partial Least Squares). This research produced a model. The model\u27s findings show that demographics and cross-cultural have a significant impact on cognitive dissonance behavior in online consumers. The implications of future research are that online marketing strategies need to consider demographic and cross-cultural factors of a country so that online marketing strategies can be more effective.The limitation of research is that research is carried out with a quantitative approach, in the future it can be carried out with a qualitative approach or a quantitative qualitative mix method
Science Research Olympiad Preparation Assistance: Application of Differential and Integral in Radioactive Decay
Full text linkPerformance not only a source of pride for students, but also for schools. The Indonesian Student Research Olympiad (OPSI) is a national-level activity recognized by the National Achievement Center (PUSPRESNAS). Schools need to provide guidance to support their students in participating in OPSI competitions, one of which is in mathematics. The purpose of this community service is to provide new learning experiences to students at SMA Negeri 1 Mirit, Kebumen Regency, in managing real-world problems and using mathematics to find solutions. Examples given are the problem of medication timing and radioactive decay. The community service method consists of material presentation, class discussions, and providing examples of problems that can be solved using similar methods. The community service is carried out once for 2 hours, the results of the community service are measured by a questionnaire, and of the 20 students who participated in the activity, all agreed that this community service provided a new learning experience that was different from the learning experience during the lessons
Adaptation of Independent Learning Curriculum by Elementary School Teachers: Case Study in the Indonesia–Malaysia Border Region
Full text linkThis study examines the process of adapting the Merdeka Curriculum by elementary school teachers in the Indonesia-Malaysia border area, especially in Kapuas Hulu Regency, West Kalimantan. Using a descriptive qualitative approach and case study method, this study aims to explore adaptation strategies, implementation challenges, and leadership roles in implementing the new curriculum in the 3T (underdeveloped, outermost, and frontier) areas. Data were collected through direct observation, in-depth interviews with six class teachers and one principal, and analysis of learning documentation. The results of the study indicate that teachers\u27 understanding of the basic concepts of the Merdeka Curriculum such as differentiated learning and the Pancasila Student Profile has not been accompanied by adequate technical skills in its implementation. Teachers developed adaptation strategies in the form of simplifying materials, using local content such as folklore and traditional games, and informal collaboration in developing learning. The main challenges to implementation include limited infrastructure (45%), minimal teacher training (30%), and conventional learning culture (25%). The role of the principal as a facilitator and coordinator is very significant in overcoming implementation gaps. This study concludes that the adaptation of the Merdeka Curriculum in border areas requires a flexible and contextual approach by considering local geographic, socio-economic conditions, and human resource capacity. Place-based policies and strengthening collaboration between schools, local governments, and communities are needed to realize the implementation of a just and equitable curriculum throughout Indonesia
Mean-Variance Optimal Portfolio Selection with Risk Aversion on Transportation and Logistics Sector Stocks Based on Multi-Criteria Decision-Making
Full text linkThe importance of the transportation and logistics sector to a country\u27s economy, coupled with the growth of this sector in Indonesia, requires investment support for this sector to continue to grow. Therefore, stocks in the transportation and logistics sector are attractive for investment portfolio consideration. The optimal portfolio selection is to minimize the risk with the expected return. In the formation of an investment portfolio, the problem is how to determine the weight of capital allocation in order to get the maximum return while still considering the risk in each stock, by considering several criteria in decision making. This study was conducted to determine the best stock selection in the transportation and logistics sector listed on the Indonesia Stock Exchange, and determine the optimal weight in the investment portfolio. The method used is Multi-Criteria Decision Making (MCDM), namely Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) using 15 financial metrics as relevant criteria in stock selection. Furthermore, to determine the allocation weight to form an optimal stock portfolio using the Mean-Variance model with Risk Aversion. The stocks analyzed were 28 stocks in the transportation and logistics sector. The results of research based on MCDM selected 9 stocks, namely MITI, BIRD, HATM, TMAS, JAYA, PPGL, BPTR, ASSA, and RCCC. However, TMAS, PPGL, and BPTR stocks are not included in portfolio formation because they have a negative average return. Based on the optimization results, the allocation weights of the 6 stocks included in the optimal portfolio are BIRD (37.7%), JAYA (24.6%), MITI (12.9%), HATM (9.9%), ASSA (7.5%), and RCCC (7.4%). The results of this study are expected to be a consideration in making investment decisions
Implementation of Flipped Classroom Model to Improve Students\u27 Academic Achievement in Teluk Bintuni
Full text linkImplementation of the Flipped Classroom model in improving students\u27 academic achievement in secondary schools in Teluk Bintuni, especially in science and mathematics subjects. The method used is an experimental design with a quantitative approach, namely the pretest-posttest control group. The experimental group used the Flipped Classroom model, while the control group followed traditional learning. The results showed that the Flipped Classroom model improved students\u27 academic achievement with an average score increase of 30% in the experimental group, compared to 14% in the control group. However, the main challenge faced is the limited access to technology and adequate infrastructure in the area. These findings indicate that Flipped Classroom can be an effective learning alternative, as long as adequate technological support and training for teachers are provide
Utilization of Flora in the School Environment as a Drawing Medium for Reading Children\u27s Creativity
Full text linkThis study examines the use of flora in the school environment as an alternative media to develop children\u27s creativity through drawing activities. Using qualitative methodology with a descriptive approach, the study involved 19 elementary school students in an experiment based on the exploration of natural elements. The research instruments included participatory observation, documentation of work, and structured interviews. The results showed a significant increase in the dimensions of creativity, with indicators: a 40% increase in the quality of geometric patterns, 40% in color exploration, and 40% in abstract composition. Student involvement reached 90% with a high level of enthusiasm in the creative process. The findings indicate that flora media can stimulate imaginative capacity, encourage artistic experimentation, and broaden students\u27 creative perspectives in the context of continuing art education
Revitalization of Traditional Knowledge in Natural Resource Management: An Ethnobotanical Study in the Dayak Kenyah Indigenous Community
Full text linkThis study aims to document the ethnobotanical knowledge of the Dayak Kenyah community in East Kalimantan as an effort to preserve culture and the environment. Using a qualitative-descriptive approach with data collection techniques through semi-structured interviews, walking transects, and visual documentation, this study identified 47 plant species utilized by the Dayak Kenyah community. The results showed that the plants were categorized based on their main functions, namely as medicine (38%), food (30%), building materials (19%), and ritual purposes (13%). Several types of key plants such as Tengkawang (Shorea spp.), Sungkai (Peronema canescens), Ulin (Eusideroxylon zwageri), and Katimpun (Uncaria gambir) have important values in the cultural and ecological structure of the community. Custom-based conservation practices such as Tana\u27 Ulen are concrete evidence of the implementation of Traditional Ecological Knowledge (TEK) that supports the sustainability of forest ecosystems. However, there are indications of a decline in the interest of the younger generation in this local knowledge, with only 27.8% of young informants being able to identify more than 10 types of local plants. This study recommends the integration of TEK with modern conservation strategies and the revitalization of traditional knowledge through local culture-based education to ensure the sustainability of valuable traditional ecological knowledge
Ethnoscience-Based Climate Change Adaptation: Survival Strategies for Agricultural Communities in Panimbang Regency
Full text linkClimate change is a global challenge affecting the agricultural sector, particularly in agrarian areas such as Panimbang Regency, Banten. This study aims to identify and analyze climate change adaptation strategies based on local knowledge or ethnoscience implemented by farming communities. Using a descriptive qualitative approach with an ethnographic orientation, data were collected through in-depth interviews, participatory observation, focus group discussions, and visual documentation. The results revealed five key adaptation strategies: observing natural signs, adjusting the planting calendar based on phenology, water management with traditional irrigation systems, crop diversification, and cultural and ritual practices. These strategies have been shown to increase community resilience to climate variability by reducing the risk of crop failure and maintaining ecological balance. The high adoption rate of crop diversification and observing natural signs emphasizes the relevance of local knowledge amidst the dominance of technocratic approaches. This study emphasizes the importance of recognizing, preserving, and integrating ethnoscience knowledge into climate adaptation policies to be more inclusive and contextual. Thus, local wisdom serves not only as a cultural heritage but also as a dynamic framework that supports food security, environmental sustainability, and the well-being of farming communities in the era of climate change