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The shaft is a crucial component in mechanical systems because it serves to transfer power and rotational motion throughout the machine. This research aims to assess the structural strength and operational performance of shafts used in a tire shredding machine through numerical simulation methods in order to achieve a safe and efficient design. The study involved several stages, including the development of shaft geometry models, the determination of boundary conditions, load application, mesh generation, and stress analysis using the finite element method. Two shaft configurations were examined: a 59 mm diameter shaft made from AISI 1045 steel and a 49 mm diameter shaft manufactured from ASTM A36 steel. The simulation results indicate that the 59 mm shaft experiences a Von Mises stress of 8.9 × 10⁻⁵ MPa, with a maximum displacement of 0 mm and a safety factor of 15. Similarly, the 49 mm shaft shows a Von Mises stress of 8.4 × 10⁻⁵ MPa, no measurable displacement, and a safety factor of 15. These findings confirm that both shaft designs are capable of safely withstanding the applied working loads. In addition, cutting system tests revealed that a 24-tooth blade achieved an efficiency of 26.9%, while a 40-tooth blade reached only 22.3%, indicating that the 24-tooth configuration provides better performance.

This study is motivated by the importance of the principal’s leadership role in improving the effectiveness of organizational management in Early Childhood Education (ECE) institutions. As an educational leader, the principal is responsible for organizing, directing, and coordinating all available resources in ECE institutions to ensure they function effectively and efficiently. The aim of this study is to analyze the influence of principal leadership on ECE organizational management. The research method used is a qualitative approach with data collection techniques including observation, interviews, and documentation studies. The findings indicate that effective principal leadership, particularly democratic and participatory leadership styles, has a positive influence on improving the quality of ECE organizational management in terms of planning, organizing, implementation, and program evaluation. In addition, effective leadership also enhances teacher performance and creates a conducive working environment. The implication of this study suggests that improving the leadership competence of principals is essential to support the optimal management of ECE institutions.

Psychological well-being in the workplace and educational environment is influenced not only by policies and facilities but also by psychological approaches that touch on individuals' mental, emotional, and spiritual aspects. This study aims to explain how psychological approaches can enhance well-being and motivation. The results of the study show that integrating Islamic educational values, mindfulness, and emotional intelligence can help individuals manage stress, increase self-confidence, and strengthen the meaning of life. In addition, adjusting learning materials to the needs of students also plays a role in supporting mental health. Individual motivation can be increased through approaches that align with psychological needs, such as fulfilling basic needs, providing rewards, and supporting autonomy and social relationships. The implementation of strategies such as open communication, good leadership, and a comfortable work environment also contributes to increasing motivation and performance. Thus, the psychological approach has an important role in creating a healthy, productive, and sustainable educational and organizational environment.

Hotel Naripan is still facing challenges in ensuring its employees can have optimal ability and motivation. This occurs in employee performance which can be caused by the lack of training, the absence of rewards from the company. The purpose of this study is to analyze the effect of work ability and motivation on employee performance at the hotel, so that it can be an evaluation material for management to improve service quality and hotel competitiveness in the increasingly competitive hospitality industry. The research method used is quantitative. This method is used to study a specific population or sample with data collection through research instruments. The analysis carried out is quantitative and uses statistical techniques, with the main purpose of testing the hypothesis that has been previously formulated. The results of this research based on multiple linear regression tests, the value of the multiple linear regression coefficient of the work ability variable, has a positive value of 0.635, the value of the multiple linear regression coefficient of the independent variable work motivation, has a positive value of 0.043

Work motivation, job satisfaction, and employee performance are key aspects of management psychology that continue to evolve as organizational productivity demands increase. In an era of global competition, organizations are required to manage human resources effectively by enhancing work motivation and job satisfaction to achieve optimal performance. This study aims to examine the relationship between work motivation and employee performance, as well as to analyze the role of job satisfaction as a mediating variable in that relationship. The method used is a literature review with a qualitative approach. Data were collected through the Google Scholar and Publish or Perish databases using keywords related to work motivation, job satisfaction, and employee performance from a management psychology perspective. From 25 articles found between 2022 and 2026, 5 of the most relevant articles were selected for further analysis.The results of the study indicate that work motivation has a significant influence on employee performance, both directly and indirectly through job satisfaction as a mediating variable. Additionally, there is a growing trend toward the integration of management psychology approaches in efforts to enhance employee performance. Thus, it can be concluded that the simultaneous management of motivation and job satisfaction is a key factor in achieving optimal performance. Further research is recommended to develop a more comprehensive and integrative model.

This study aims to qualitatively analyze the impact of order cancellations and customer ratings on the performance, performance, and income of online motorcycle taxi (Gojek) drivers in the Slawi region. The research method used a qualitative approach with data collection techniques through in-depth interviews, observation, and documentation of a number of active drivers. The results show that the high rate of order cancellations, both from customers and the system, negatively impacts driver income stability and reduces work time efficiency. Furthermore, customer ratings play a crucial role in determining driver access to orders, incentives, and account sustainability. Drivers with low ratings tend to experience decreased performance due to limited opportunities to receive orders. On the other hand, the pressure to maintain high ratings also affects drivers' psychological state and work strategies. This study concludes that order cancellations and customer ratings are crucial factors that are interrelated in influencing the work quality and welfare of online motorcycle taxi drivers. Therefore, fairer and more transparent platform policies are needed to maintain a balance between customer satisfaction and driver protection.

Work discipline is a crucial element in improving employee performance, particularly in the Micro, Small, and Medium Enterprises (MSME) sector such as automotive workshops, which often face managerial and structural challenges. This study aims to explore the understanding, implementation, and influence of work discipline on employee performance at Gandi Jaya Motor Workshop, Jombang, within a local context characterized by religious values and informal work culture. The research employs a descriptive qualitative method with a case study approach. Data were collected through in-depth interviews, observation, and documentation, and were analyzed thematically. The findings reveal that work discipline is perceived as a form of personal responsibility driven by leadership example and religious values, rather than by formal systems alone. External factors such as limited infrastructure and the absence of a structured HR evaluation system also affect performance effectiveness. These findings expand the scope of Work Discipline and Employee Performance theories by incorporating social and cultural dimensions as determinants of work behavior. The study concludes by emphasizing the need for a humanistic approach to HR management in MSMEs and recommends further exploration with broader participant coverage and more diverse methodological approaches.

This study aims to evaluate the application of environmental management accounting in the management of work programs at the Bangkalan Regency Environmental Agency. The research is motivated by increasing environmental problems, particularly waste volume and limited management facilities, while environmental management accounting has the potential to assist agencies in identifying, measuring, and reporting environmental costs as a basis for decision-making and public accountability. This study used a qualitative method with a case study approach at the Bangkalan Regency Environmental Agency. Data were collected through interviews, observations, and documentation studies. The results show that the Environmental Agency has implemented environmental management accounting, but its recording is still manual and does not separate environmental costs from general operational costs. This condition complicates cost evaluation and program impact assessment. Work program management has been structured and evaluated regularly, but performance measurement still focuses on output, not long-term environmental impact. Information transparency is also still limited to activity publications. Overall, the application of environmental accounting is at a basic stage and has not been fully integrated into the work program planning and evaluation process. The findings of this study provide theoretical and practical implications in the form of strengthening understanding of the role of environmental management accounting and the need to improve the work program recording and evaluation system at the Bangkalan Regency Environmental Agency.

Human resources (HR) are an important factor in determining the success of a business because they play a role in increasing productivity, service quality, and company competitiveness. In an era of increasingly intense business competition, companies are required to have a competitive, professional workforce that is capable of adapting to technological developments and customer needs. This paper aims to identify competitive human resource development strategies at Helen Cempaka Bakery and their impact on business progress. The method used in this paper is a descriptive method with a literature study approach and observation of the business conditions at Helen Cempaka Bakery. The results of the discussion show that human resource development strategies at Helen Cempaka Bakery are implemented through job training, guidance and supervision, motivation, improvement of work discipline, teamwork development, and the use of modern technology and equipment. In addition, indicators of competitive human resources include ability, expertise, knowledge, and good work attitudes. Human resource development has a positive impact on improving employee performance quality, business productivity, service quality, and customer satisfaction. Therefore, continuous human resource development is highly necessary so that Helen Cempaka Bakery can maintain competitiveness and continue to grow amid business competition.

The objective of this study is to analyze the impact of work-related stress and the physical work environent on employeee perfornance at the Abdul Karim Medika Center Clinic. The reseearch method employed a quantittative aproach using a causal-associiative study design. The population consisted of 52 employees, while the selected sample conprised 46 employees chosen through simple random sampling. Data were collected through questionnaires, observations, and docunentation. It was found that work-related stress had a negative and significant impact on employee performance (R² = -0.340 and Sig. = 0.002 < 0.05). Meanwhile, the physical work environnent had a positive and significant impact on employee performance (R² = 0.528 and Sig. = 0.000 < 0.05). Concurrently, work stress and the physical work environment had a significant impact on employee perfornance (F calculated 30.621 and Sig. 0.000 < 0.05). The results of the coefficient of determination revealed that 68% of the variation in employee performance was explained by work stress and the physical work environment, while the remaining 32% was attributed to other factors.

This study aims to determine the application of competitive Human Resource Management (HRM) to employee productivity at Angkringan Lestari Restaurant. Human resources are a crucial factor in the success of a business, particularly in the culinary industry, which relies heavily on service quality, work speed, discipline, and employee ability to serve customers. Competitive HRM implementation is achieved through improving employee performance, knowledge, skills, motivation, discipline, and assigning appropriate responsibilities to employees to optimally increase work productivity.The research method used was descriptive qualitative, with data collection techniques through observation, interviews, and documentation. The study was conducted at Angkringan Lestari Restaurant, focusing on the application of HRM to support employee productivity. The results indicate that the implementation of competitive HRM positively impacts employee productivity. This is evident in improved service quality, punctuality, employee collaboration, and increased customer satisfaction with the service provided.Furthermore, work performance, knowledge, and skills are important factors in increasing employee productivity. However, several obstacles remain, such as limited job training and a lack of continuous competency development. Therefore, efforts are needed to improve the quality of human resources through training, work motivation, and skills development so that employee productivity can continue to increase and be able to compete competitively.

This research is motivated by the issue of employee productivity at Estetiderma Clinic Bekasi, as indicated by the unmet distribution target data during the 2021–2024 period. In addition, there are indications that improvements are needed in the effectiveness of recruitment methods and employee work discipline, as reflected in the attendance data. The purpose of this study is to determine whether recruitment (X1) and work discipline (X2) have an effect on employee productivity (Y), either partially or simultaneously, at Estetiderma Clinic Bekasi. The research method used is associative quantitative research. The population and sample consist of all 130 employees of Estetiderma Clinic Bekasi. The data analysis techniques employed include multiple linear regression analysis, correlation coefficient analysis, coefficient of determination, and hypothesis testing (t-test and F-test). The results of the study show that: (1) the recruitment variable (X1) has a t-value of 9,503 > t-table 1.978 and a significance value of 0.000 < 0.05, indicating a positive and significant effect of recruitment on employee productivity; (2) the work discipline variable (X2) has a t-value of 13,154 > t-table 1.978 and a significance value of 0.000 < 0.05, indicating that work discipline has a positive and significant effect on employee productivity; and (3) the simultaneous F-test result shows an F-value of 114.347 > F-table 3.067 with a significance value of 0.000 < 0.05, which means that recruitment and work discipline simultaneously have a significant effect on employee productivity. These two variables contribute 64.3% to employee productivity, while the remaining 35.7% is influenced by other factors not included in this study.

Digital transformation in the public sector encourages civil servants to utilize technology not only for administrative purposes but also to improve efficiency, accuracy, and work performance. This study examines the influence of Intelligent Learning-Based Training and Digital Training Components on the Digital Productivity of civil servants at the Bureau of Economic Affairs of the Regional Secretariat of Lampung Province, with Adaptive Competence serving as a mediating variable. A quantitative approach with a non-experimental survey design was applied, and data were collected through structured questionnaires distributed to employees engaged in digital-based work activities. The data were analyzed using structural model testing procedures. The findings reveal that Intelligent Learning-Based Training does not significantly influence Adaptive Competence or Digital Productivity. Conversely, Digital Training Components positively and significantly affect both Adaptive Competence and Digital Productivity. Adaptive Competence also has a positive impact on Digital Productivity and mediates the relationship between Digital Training Components and Digital Productivity. However, Adaptive Competence does not mediate the relationship between Intelligent Learning-Based Training and Digital Productivity. These results indicate that civil servants’ digital productivity is more effectively improved through practical, relevant, accessible, and well-evaluated digital training programs than through intelligent learning systems alone. Therefore, public institutions are encouraged to develop digital training initiatives that align with employees’ daily work demands while strengthening their adaptive competence in responding to technological changes.

This study was designed to measure the extent to which employee benefits influence employee performance within the Regional House of Representatives of Mamasa Regency office environment. The research employed an associative quantitative approach and involved all 51 employees as research subjects using a saturated sampling technique. Data were collected through questionnaires, direct observation, and document analysis, then processed using multiple regression analysis assisted by SPSS version 25. The findings revealed that employee salaries and benefits have a positive and significant effect on employee performance, with a significance value of 0.017 < 0.05. The regression analysis also showed that both variables provide a significant influence on employee performance, indicated by an F-count value of 67.260, which is greater than the F-table value of 3.19. In addition, the coefficient of determination value of 0.784 indicates that 78.4% of the variation in employee performance can be explained by employee income and benefits. These findings demonstrate that adequate employee compensation is a crucial factor in encouraging higher motivation, improving work productivity, and supporting better employee performance within the organization.

Printing businesses such as Anugerah Digital Printing Maumere face increasingly fierce competition, yet many have not fully implemented the concept of competitive human resources effectively. This study aims to analyze the role of competitive human resources in improving service quality and work productivity. The method used involves direct interviews with management and literature studies. The results indicate that the current condition of human resources still faces several challenges, including a lack of mastery of new technology, limited creativity and innovation, and a need for improved discipline. The efforts undertaken to address these issues include skills training and development, provision of motivation and rewards, optimization of technology usage, and establishment of a positive work culture. The implementation of these strategies has proven effective in enhancing employee performance and service quality. This research provides practical implications for business owners in their efforts to increase company competitiveness despite limited resources..

The development of modern organizations requires the integration of psychological aspects into management practices in order to enhance individual performance and well-being. Issues such as work stress, motivation, and psychology-based leadership have become increasingly important in responding to the dynamics of complex work environments. This study aims to examine the development and trends in management psychology and to identify its contributions to organizational practices. The research questions posed are: (1) how has management psychology research developed over the past five years, and (2) what are the main themes and their contributions to organizational management. The method used is a qualitative approach with a literature review through the Google Scholar and Publish or Perish databases using the keyword “management psychology.” A total of 20 articles were obtained, then selected through a screening and eligibility process, resulting in 5 articles being analyzed. The results of the review indicate three main themes, namely stress management and psychological well-being, work motivation, and psychology-based leadership and human resource management. These findings confirm that psychology plays a strategic role in improving organizational effectiveness. This study concludes the importance of a holistic approach in management psychology and recommends further, more integrative research.

This research aims to analyze the strategic role of management psychology in enhancing the performance and effectiveness of educational organizations through a systematic literature review. The development of modern educational organizations demands human resource management that is not only oriented toward administrative aspects but also considers the psychological dynamics of individuals, including behavior, motivation, and interpersonal relationships. The research method used is qualitative with a literature review approach, analyzing relevant scientific articles from the Google Scholar database. The results of the study indicate that management psychology contributes significantly to organizational productivity through three main aspects: effective organizational communication to build trust, psychology-based leadership that increases work motivation and satisfaction through recognition and fairness, and constructive conflict management that transforms tension into opportunities for innovation. The conclusion of this study emphasizes that the integration of various psychological dimensions, such as organizational citizenship behavior (OCB) and self-efficacy, is a key element in creating a conducive work environment. Therefore, leaders of educational institutions are advised to adopt a humanistic leadership style to optimize the potential of human resources and achieve superior educational quality in a sustainable and effective manner within the modern era.

This study aims to examine the role of management psychology in improving work motivation in organizations through a literature study approach. Data were obtained from various scientific sources relevant to the topics of management psychology, work motivation, and organizations. The results of the study indicate that management psychology plays a significant role in understanding individual and group behavior in the workplace through psychological aspects such as needs, attitudes, emotions, and personality. Work motivation is a key factor influencing employee performance, which is influenced by both internal and external factors, including rewards, work relationships, environmental conditions, and opportunities for self-development. Various motivational theories such as Maslow's Hierarchy of Needs, Alderfer's ERG, Mcclelland's Needs, And Vroom's expectancy theory provide a foundation for understanding the dynamics of work motivation. In addition, the implementation of the performance management cycle, which includes planning, monitoring, evaluation, and rewarding, has proven effective in improving employee morale.

The performance of health workers is an important element in ensuring the quality of primary health services. In addition to technical and structural factors, psychological aspects such as job meaningfulness and work engagement are increasingly recognized as playing a role in improving performance. Health workers who interpret their work as something of value tend to show higher work attachment, which ultimately has an impact on performance. This study aims to analyze the effect of job meaningfulness on the performance of health workers through work engagement at the Mokoau Health Center, Kendari City. This study used a quantitative approach with a cross-sectional design. All health workers at the Mokoau Health Center as many as 70 people were involved as respondents through the total sampling technique. Data were collected using a structured questionnaire and analyzed using the Partial Least Squares–Structural Equation Modeling (PLS-SEM) method using SmartPLS version 4.0. The results of the analysis showed that job meaningfulness had a positive and significant effect on work engagement (β = 0.563; p < 0.05). Furthermore, work engagement had a positive and significant effect on the performance of health workers (β = 0.638; p < 0.05). The indirect influence test proved that work engagement significantly mediated the influence between job meaningfulness and performance (β = 0.360; p < 0.05). Job meaningfulness improves the performance of health workers through strengthening work engagement. Therefore, the HR management strategy at the Health Center needs to be directed at strengthening the meaning of work and work attachment to improve performance in a sustainable manner.

This study aims to analyze the effect of work stress and work environment on employee performance with job satisfaction as a mediating variable at PT X. This study uses a quantitative approach with a census method of 198 employees at PT X. Data were collected through an online questionnaire (Google Form) and analyzed using Structural Equation Modeling based on Partial Least Square (SEM-PLS) with the help of SmartPLS 4.0. Based on the results of the analysis that has been done, it was found that work stress has a negative and significant effect on employee performance. Meanwhile, the work environment has a positive and significant effect on employee performance. In addition, work stress has a negative and significant effect on job satisfaction. Then, the work environment has a positive and significant effect on job satisfaction, while job satisfaction has a significant effect on employee performance. In addition, job satisfaction is able to mediate the effect of work stress and work environment on employee performance. This study provides a theoretical contribution to strengthen the understanding of the role of job satisfaction as an important mechanism that connects work stress and work environment with employee performance. Management needs to manage work stress through a balanced workload and system arrangement and create a safe and comfortable work environment to improve employee satisfaction and performance. These findings underscore the importance of job satisfaction as a basis for formulating human resource policies. This study is limited by the number of respondents, which is not fully representative of the entire population due to difficulties in communicating with employees. Furthermore, limited access to the research location, which is located outside of Yogyakarta, resulted in the distribution and collection of questionnaires being conducted only through long-distance communication. Future researchers are advised to add other variables and use research subjects from different industrial sectors to obtain a more comprehensive and comparable understanding.