Crude Oil Price Forecasting Using Hybrid Heuristic Model and Fuzzy C-Means on Type 2 Fuzzy Time Series

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Forecasting world crude oil prices needs to be done because it has an essential role in Indonesia’s economy, so an accurate and efficient forecasting approach is needed. This research combines heuristic and Fuzzy C-Means (FCM) models on Type 2 Fuzzy Time Series (T2FTS) to forecast crude oil prices. T2FTS, an extension of Fuzzy Time Series (FTS) by adding observations, is used to enrich the fuzzy relationship of the Type 1 model and can improve forecasting performance. FCM is used to determine unequal interval lengths and heuristic models to optimize fuzzy relations by identifying crude oil price movements using up and down trends. The data used in this study is the price of Brent crude oil as one of the benchmarks for world crude oil prices from 1 January 2023 – 31 May 2024. Mean Absolute Percentage Error (MAPE) measures accuracy in assessing forecasting results. The results showed that the combination of heuristic and FCM models in T2FTS gave accurate results, as evidenced by the MAPE value obtained, which was 1.50%, so it fell into the excellent category.

Effectiveness of Live Selling Marketing Strategies as a Key Tool to Enhance Sales in the Fashion Business

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This research examines how live selling marketing strategies can boost sales for a fashion brand. Data was gathered through a questionnaire on the brand’s Instagram, and Smart PLS was used for statistical analysis to understand the relationships between different factors. The results show that live selling significantly enhances customer engagement, sales conversion rates, and brand loyalty. The study confirms the reliability of the research model and highlights key factors that contribute to successful live selling, along with the challenges faced. Practical recommendations are provided to help optimize live selling strategies in the fashion industry. While the findings are specific to the selected brand, they offer valuable insights for other fashion brands looking to implement similar strategies.

Impact of Salary and Recognition on Job Performance: A study of Nangarhar University Lecturers, Afghanistan

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Organizations seek to gain a competitive advantage by applying different strategies in today’s competitive environment. Due to intense competitive pressure, organizations attempt to gain a competitive advantage using employee skills, abilities, and expertise. Organizations offer different kinds of incentives, like salary and recognition, to ensure proper utilization and increase employee performance. Satisfied employees become more dedicated, committed, and loyal to organizations than other employees without a proper incentive system. The purpose of this study was to determine the impact of salary and recognition on the job performance of university lecturers at Nangarhar University, Afghanistan. The questionnaire method was adopted to collect data using Likert scales ranging from 1 to 5. Data were collected from 210 respondents and analyzed using SPSS version 27. The Pearson product-moment correlation was applied to determine the impact of salary and recognition on job performance. The result of the study showed that there is a significant correlation between salary and employee performance. In addition, it was also found that there was a significant correlation between recognition and employee performance.

Vibrio alginolyticus Occurrence in Various Fish and Shellfish Samples: A Comparative Analysis

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Vibrio alginolyticus is a marine bacterium that can cause severe foodborne illnesses. The study aimed to assess the prevalence of V. alginolyticus in various fish and shellfish species collected from Karwar Fishing Port, Baithkol, Uttara Kannada . A total of n=120 fish and shell fish samples belong to different families and tidal zones in ocean and estuarine environment were analyzed to isolate V. alginolyticus  using standard microbiological techniques.The results revealed a significant presence of V. alginolyticus in the seafood samples. Meretrix meretrix exhibited the highest contamination rate at 66.6%, followed by Mugil cephalus with 58.33%. Whereas, Lactarius lactarius showed the least contamination rate at 16.6%. Other species also showed varying levels of contamination. The contamination of the pathogens were common in the benthic organisms when compared to pelagic.  The findings underscore the potential health risks associated with consuming raw or undercooked seafood.To mitigate these risks, stringent food safety measures, including proper handling, storage, and cooking practices, are crucial. Further research is necessary to identify factors contributing to V. alginolyticus contamination in seafood and develop effective prevention strategies.

Financial Literacy and Investment Decisions among Youth: An Analysis Using Prism of Age

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Modern financial management relies on financial literacy, which affects investment decisions. To make smart savings, borrowing, and investment decisions in the increasingly complicated financial world, one must grasp and utilize financial facts. Younger investors’ decisions have received attention as they become more interested in financial markets. Studies reveal financial competence, risk tolerance, and societal effect affect these choices. Traditional financial education and modern social influence create a unique atmosphere where new investors are informed and affected by multiple sources. This accessibility has raised concerns regarding impulsive and speculative investment methods, as younger investors may trade high-risk securities without fully understanding the hazard. While the financial literacy initiatives are performing well in their execution, more thorough study is needed to investigate their influence on young investing behavior. Some particular research questions about how the socio-economic elements are related with financial literacy; and investment decisions and how the financial literacy influences the investment decisions among the youth have been tried to be answered thorough this research. This study is confined to the state of Himachal Pradesh, further grounded on both quantitative as well as qualitative approaches to gather data from a random sample of 631 respondents with the help of online surveys, interviews, and focus groups. Data has been synthesized using descriptive statistics such frequency distribution, percentage, mean, standard deviation, variance, skewness, and kurtosis. After then, demographic characteristics, particularly the age of respondents has been used to cross-tabulate the associations. The hypotheses were examined using Chi-Square Test of Independence and ANOVA/F-test. The survey highlights the critical relationship between financial literacy and investment decisions among youth, with age playing a central role in shaping both financial knowledge and investment behaviors. Enhancing financial literacy through education could lead to better investment decisions, improved confidence, and more informed financial behaviors among the youth.

New Conceptual Paradigm of Autistic Spectrum Disorder

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The two dimensions currently included in international classifications should include a third defining dimension, regarding to the analysis of intensity of needs relationship to the main parameters of psychoneural information processing, within the so-called processual dimension: – perception and sensory memory, – encoding and categorical grouping, – access of information to permanent memory, and – recovery of information in semantic terminology. These new criteria constitute basic elements governing the neurocerebral process in a global sense, which will allow the persistence or improvement of observable social and restrictive-stereotyped behaviours related to the two dimensions included in the currently classifications.

An exhaustively analysed Case Study in all its evolution over 32 years, has allowed successive comparative analyses regarding the differential phases with the specific autistic diagnosis, whose final results allowed confirming new paradigmatic findings of new paradigmatic definitions of autistic disorder, its differential diagnostic processing and, therefore, the new specific kinds of psychoeducational intervention.

Finding the Best Methods on People Development at PT Pertamina EP – Sangatta Field

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People Development is an important element for a company to survive. It’s also implemented at PT Pertamina EP, Zona 9 – Sangatta Field. It can done more effectively and efficient on the result in this research. This research aims to find the best methods in developing people competencies. Based on conceptual framework of People Development, it consists of three main pillars : People, Process, Technology. Each pillar has a specific influence and purpose in realizing an ideal people developments system. By conducting research using qualitative methods, it was found that within each pillar, a specific or main program is needed that has the most impact on the company’s progress. Mutation or job rotational replacement has a significant impact on improving company performance through the ‘People’ aspect. Talent & Matrix Development captures all employee aspirations according to each worker’s interests and talents, and determining the appropriate training according to employee needs can enhance worker competencies, thereby advancing the company.

The Meta-Subject Model: A Holistic Framework Overcoming the Limitations of Subject-Based Learning with an Example in TVET

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The article explores the innovative concept of meta-subjects in education, advocating for their integration into curricula to enhance student learning and engagement. It begins by defining meta-subjects as interdisciplinary frameworks that transcend traditional subject boundaries, allowing for a more holistic understanding of complex issues. The text emphasizes the importance of promoting and cultivating critical thinking, creativity, and problem-solving skills among students, which are essential for navigating real-world challenges. Each theme integrates knowledge from various disciplines, such as science, technology, social studies, and the arts, to address pressing global issues. The article highlights the benefits of adopting a meta-subject model, including enhanced student engagement, improved critical thinking, and better preparation for future careers in an interconnected world. The article also proposes a list of hypothetical fifteen general meta-subjects, such as Ecological Synthesis, Quantum Consciousness, Neural Harmony, Quantum Wellness, Transcendental Geometry, Evolutionary Synergy, Metaphysical Economics, Gaian Computing, Transcultural Linguistics, Quantum Education, Astrological Psychology, Holistic Engineering, different fields of study. The model includes student curricula for five of the proposed areas, along with complete course one-year curriculum distributions of the meta-subject in TVET, which reflect the synergy between “Exploring Interconnectedness”, individual project ideas, and opportunities for outdoor activities. These meta-subjects aim to encourage students to explore the interconnectedness of knowledge and apply it creatively to solve complex problems. Moreover, the article outlines the challenges of implementing a meta-subject approach, such as the need for teacher training, resource allocation, and the development of coherent curricula. It suggests that schools must provide support for both educators and students to successfully transition to this model. The article advocates for the widespread adoption of meta-subjects in educational settings, arguing that this approach not only enriches the learning experience but also equips students with the essential skills needed to thrive in a complex and rapidly changing world. By embracing meta-subjects, educators can create more relevant, engaging, and effective learning experiences that prepare students for the challenges of the 21st century.

The Effect of Using Pandan Extract (Pandanus amaryllifolius) As a Natural Colorant on The Organoleptic Properties of Mocaf-Based Cookies

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In this modern era, people’s awareness of healthy lifestyles and consumption of natural products is increasing, encouraging the food industry to turn to natural ingredients. One innovation that is in high demand is the use of natural colorants as a substitute for synthetic colorants, including in bakery products such as cookies. Pandanus juice (Pandanus amaryllifolius) is a promising natural colorant; it not only provides a natural green color but also has health benefits such as antioxidant and anti-inflammatory properties. This study aims to evaluate the effect of pandan juice on the organoleptic properties of cookies based on mocaf (Modified Cassava Flour). The study used a Complete Randomized Design (CRD) with three variations of pandan juice concentration, namely 5 ml, 10 ml, and 15 ml. Organoleptic tests were conducted to assess the characteristics of color, aroma, taste, and texture using a hedonic scale. Data obtained were analyzed using ANOVA to identify significant effects between treatments, followed by the BNT test at the 5% significance level if a significant difference was found. The results showed that the treatment with a concentration of 10 ml pandan juice (Treatment Y) provided the best organoleptic quality. At this concentration, mocaf-based cookies had an attractive green color, fresh pandan aroma, and the most preferred taste by the panelists. Treatment Y is considered optimal because it provides the best balance between aesthetics and flavor. This research provides valuable information for the food industry in its efforts to create healthier and higher-quality products through the use of natural colorants.

A Model for Individual Creative Tasks for Students in TVET: Analysis and Illustrative Applications with Examples

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In the article a conceptual model is developed with the core strategies and stages of its implementation as well as the framework for integration process, focusing in identifying core competences incorporating creative task into the curriculum and proving opportunities for showcasing student work. In the text are listed examples of creative task in the field of Electrical science, Electronics and Computer science. It examines the critical role of creativity and critical thinking in secondary vocational education, emphasizing the implementation of innovative pedagogical models. It identifies key challenges faced by students in engaging with individual creative tasks, including the generation of novel ideas, the development of effective problem-solving strategies, efficient time management, and the articulation of concepts. The article highlights the Design Thinking process as a human-centered approach to problem-solving, alongside the Project-based Learning (PBL) framework, which facilitates the application of theoretical knowledge to authentic, real-world projects. By integrating these methodologies, educators can enhance students’ practical skills and better prepare them for future vocational endeavors. Furthermore, the article provides illustrative examples of creative tasks, such as designing marketing campaigns, developing product prototypes, and formulating business plans, which serve to contextualize students’ learning experiences. Ultimately, this exploration aims to equip educators with effective strategies for fostering creativity within vocational education, thereby enriching student learning outcomes and professional readiness.