USN Scientific Journal Publisher (Universitas Sembilanbelas November Kolaka - USN-SJ)
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Analysis of Mathematical Problem Solving Ability Viewed from Student Learning Style
Full text linkThis study aims to describe mathematical problem solving abilities in terms of student learning styles. This type of research is descriptive qualitative. The subjects of this study consisted of 24 students of class IX SMP Negeri 16 Konawe Selatan. The research instruments used were: (1) mathematical problem solving ability test questions, (2) interviews, (3) learning style questionnaires. The results obtained information that: (1) From 24 students of class IX SMP Negeri 16 Konawe Selatan obtained information that there are 5 students who have high category mathematical problem solving ability with a percentage of 20.83%. There are 2 students who have the ability to solve mathematical problems in the medium category with a percentage of 8.33%. and as many as 17 students with low category mathematical problem solving abilities with a percentage of 70.83%. (2) The unimodal learning style is dominated by the auditory type as many as 8 students with a percentage of 33.33%, then the visual type as many as 2 students with a percentage of 8.33%, and read/write as many as 1 student with a percentage of 4.17%. Meanwhile, the multimodal learning styles identified in the study were bimodal learning styles consisting of 5 students with a percentage of 20.83%, A-R with a percentage of 2 students with a percentage of 8.33%, A-K with 1 student with a percentage of 4.17%, trimodal learning styles with only A-R-K types as many as 2 students with a percentage of 8.33%, and a quadmodal learning style there is V-A-R-K as many as 3 students, with a percentage (12.50%). (3) The mathematical problem solving ability of students with unimodal learning style Visual (V), Auditory (A) is in the low category and the type of Read/write (R) is in the medium category, mathematical problem solving abilities of students with bimodal learning style type A-R and A-K are in the low category while the V-K type is in the medium category, the mathematical problem solving ability of students with trimodal learning style type A-R-K is in the low category, and mathematical problem solving abilities of students with quadmodal learning style are V-A-R-K (visual-auditory-read/write- kinesthetic) is still in the low category
Consumerism of Food and Non-Food Products on Online Platforms
Full text linkIn the digital era, students increasingly rely on online platforms to fulfill their consumption needs for food and non-food products. The development of e-commerce and digital payment systems such as e-wallets has changed consumption patterns, offering ease of transactions and increasing the tendency of consumptive behavior. Consumerism, which is the tendency to buy excessively without considering actual needs, is a phenomenon that needs to be studied more deeply. Students are vulnerable to impulsive consumption due to promotions, discounts, and easy access to online products. This study examines the relationship between the use of e-wallets, e-commerce, and college students' consumerism levels in food and non-food shopping
Enhancing Sourdough Starter Using Ambon Banana Fermentation: A Comparative Study of Type I and Type III Starters Focusing on Lactic Acid Bacteria and Quality
Full text linkThere are several main indicators that can be used to assess the quality of sourdough starter, namely pH, dough volume, and the presence and diversity of Lactic Acid Bacteria (LAB). Meanwhile, the addition of natural ingredients such as fermented Ambon bananas is considered to be able to improve the quality of sourdough starters, by increasing the number and diversity of LAB. This study is a comparative exploratory study that compares the quality of sourdough starters made with fermented Ambon bananas (Type III) and those made without Ambon bananas (Type I), and identifies the diversity of LAB in both. This study showed that all parameters are better in type III than in type I, where the pH is lower, the dough develops faster and has a larger volume, and the number of LAB is higher. Meanwhile, the LAB contained in Type III is more diverse (Lactobacillus pentosus, Lactobacillus plantarum, and Lactobacillus paraplantarum) compared to Type I, which only contains one isolate (Lactobacillus pentosus). Based on the results found, sourdough with the addition of Ambon banana fermentation can produce better starter quality and contains more diverse LAB, namely heterofermentative and homofermentative.Keywords: sourdough starter, fermented ambon banana fruit, lactic acid bacteria
THE EFFECT OF THE MAKE A MATCH COOPERATIVE LEARNING MODEL ASSISTED BY WINGEOM ON STUDENTS’ MATHEMATICAL CONCEPTUAL UNDERSTANDING
No full textThis study aims to analyze the effectiveness of Wingeom application in cooperative learning type Make A Match to improve students’ mathematical conceptual understanding. The study was motivated by the low performance of Indonesian students in mathematics as reported in PISA 2022 (OECD, 2022). The research employed a quasi-experimental method with a posttest-only control group design. The sample consisted of 72 eighth-grade students of SMP Negeri 25 Kota Tangerang, divided into an experimental class (using Make A Match with Wingeom) and a control class (conventional learning). The research instrument was an essay test consisting of 11 items that had been validated and tested for reliability. The study provides strong evidence of measuring genuine improvement in students’ mathematical conceptual understanding, as reflected in the significant difference between the experimental group’s mean post-test score of 28.78 and the control group’s mean score of 22.69, supported by a large effect size of 0.893. Therefore, the Wingeom application proved effective in improving students’ mathematical conceptual understanding through cooperative learning type Make A Match
A Case Study on the Use of Grammarly in Academic Writing Based on the Experiences of English Department Students at USN Kolaka
No full textThis research investigated students’ use of Grammarly in completing academic writing assignments, focusing on their experiences and the tool’s effectiveness in improving writing. The study was conducted at Universitas Sembilanbelas November (USN) Kolaka with a mixed-methods design, combining questionnaires and semi-structured interviews with English Department students.The findings revealed that Grammarly was widely used by students, particularly to correct grammar, spelling, punctuation, and vocabulary. Students reported that Grammarly helped them polish their essays, proposals, and theses, with grammar correction emerging as the most dominant aspect. Moreover, Grammarly increased students’ confidence and motivation in writing, as they felt more assured of the accuracy of their work. However, the research also found several limitations. Students who relied on the free version faced restricted access to advanced features, while some experienced technical issues such as slow performance. More importantly, Grammarly could not replace human feedback, as it often lacked explanations for errors. Thus, students still sought guidance from peers and lecturers for deeper understanding.In conclusion, Grammarly served as a helpful support tool for academic writing by reducing surface-level errors and boosting students’ confidence. Yet, it worked best when complemented with human feedback and traditional learning. This study highlights the importance of integrating Grammarly mindfully into academic contexts, particularly in rural universities, to balance technology with pedagogy.
DEVELOPING OF E-LEARNING BASED MATHEMATICS LEARNING MODULES TO IMPROVE PROBLEM SOLVING SKILLS OF STUDENTS
Full text linkThe availability of learning modules that are valid, practical, and easy for students to understand is essential for achieving educational objectives. Additionally, limited problem-solving skills in the fundamental concepts of ordinary differential equations pose a significant challenge in the learning process. This research aims to enhance students' problem-solving abilities in the topic of ordinary differential equations through the development of a mathematics learning e-module for students in the Mathematics Education Study Program. The research method employed is the ADDIE development model. Based on the research findings, the developed e-module was validated by subject matter experts, yielding a score of 3.61, categorized as very good, while validation by media experts resulted in a score of 3.42, also categorized as very good. The evaluation from students regarding the e-module received a score of 3.81, which falls into the very good category. Furthermore, based on the assessment of quiz responses within the e-module, the average score was 78.9, indicating an improvement in students' problem-solving abilities prior to using the e-module, which had an average score of 59.8. It can be concluded that the e-module on the concepts of ordinary differential equations is suitable for use in learning and can enhance students' problem-solving skills
E-Wallet and Food Consumption: Satisfaction and Loyalty Of Gen Z College Student
Full text linkThe increasing use of e-wallets among college student, particularly for food purchases, faces challenges such as unstable digital payment infrastructure and limited platform features. This study aims to identify e-wallet usage frequency, assess consumer satisfaction and loyalty, and explore the relationship between these factors. Utilizing a literature review method, the research involves planning, conducting, and reporting on existing scholarly works related to the topic. Findings indicate user characteristics and e-wallet usage frequency significantly influence college student' satisfaction and loyalty. The research concludes that security, convenience, service quality, and promotional effectiveness are crucial in shaping college student satisfaction and loyalty toward e-wallets. To improve user adoption and retention, e-wallet providers should enhance security measures, ensure efficient service, and offer appealing promotions like cashback and discounts. Furthermore, incorporating financial education and budget management features, along with additional services such as transportation and bill payments, can increase the relevance and utility of e-wallets for Gen Z college student
Business Feasibility Study and Added Value of Broccoli Stem Stick Products at CV Tani Organik Merapi
Full text linkCV Tani Organik Merapi is a company that produces organic vegetables, one of which is broccoli. The discarded broccoli trimmings are a weakness of the company. The solution that can be done by the company is to process the trimmings into broccoli stem sticks. This study aims to determine consumer preferences, analyse and compile business feasibility and add value to the O'Bro Stik business. The methods used include conjoint analysis, business feasibility of non-financial and financial aspects, and added value. The results of consumer preferences indicate that the attributes that consumers consider before purchasing O'Bro Stik are texture, price, and packaging. The results of the non-financial and financial analysis are declared feasible with an NPV of Rp86,166,474; IRR 102.17%; gross B/C 4.58; net B/C 1.40; and a payback period of 2.0 years. The switching value results show that the maximum tolerance limit for changes in production is 30.13% and 534.65% for increases in wheat flour. The value-added analysis produces a significant value of 47.70%
Analysis of Youth Interest In Agriculture
Full text linkIndonesia is known as an agricultural country with abundant natural resources, but this condition does not necessarily mean that Indonesians have easy and affordable access to food. Indonesia has been known as a food importer in recent decades. However, serious problems remain in the agricultural workforce. The main problem is the shift in demographic structure that is unfavourable for the agricultural sector, namely the increasing number of older farmers (over 55 years old), while the younger workforce is decreasing. This phenomenon of ageing farmers (ageing farmers) and the decreasing interest of young workers in the agricultural sector. The purpose of this study is to examine how urbanisation, education level, income factors influence youth interest in agriculture. This research was conducted in Bulo Village, Panca Rijang District, Sidenreng Rappang Regency from November to December 2024. The population was 42 young farmers in Bulo Village aged 16-30 years. The data analysis technique used was Multiple Linear Regression Analysis. The results of this study indicate that from the F Test (Simultaneous), all Independent Variables (X) have a significant effect on the Dependent Variable (Y). Meanwhile, the T Test (Partial) Urbanisation Variable (X1), Education Level Variable (X2), and Income Variable (X3) have a significant effect on the Interest (Y) of the young generation in Bulo Village, Panca Rijang District, Sidenreng Rappang Regency
Labor Allocation Dynamics in Swamp Rice Farming: Influencing Factors and Adaptive Strategies of Farmers
Full text linkLabor allocation is a crucial aspect in the sustainability of rice farming, particularly in lebak swamp areas that possess unique ecological characteristics and demand adaptive strategies from farmers. This study aims to analyze the internal and external factors influencing labor allocation, as well as the strategies adopted by farmers in managing labor within the context of lebak swamp rice farming. A descriptive qualitative approach was employed, with data collected through in-depth interviews involving 30 farmers in Pematang Bangsal Village, Pemulutan Selatan District. The data were analyzed using thematic coding techniques to identify key patterns. The findings reveal that internal factors such as motivation, farming experience, physical health, and farm management significantly affect labor allocation. Meanwhile, external factors include family support, agroecosystem conditions, and access to production inputs. Farmers' adaptive strategies involve intra-household division of labor, the use of hired labor, and adjustment of planting schedules. The study concludes that labor allocation dynamics in lebak swamp rice farming are complex and shaped by the interplay of multiple factors. Therefore, policy interventions and agricultural extension programs must be contextual and sustainable to effectively support labor management in such agroecological settings