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The use of social media can have both positive and negative impacts on children. Proper use can enhance insight, knowledge, and increase learning motivation. However, excessive use can disrupt study time, reduce awareness of the importance of learning, and result in low learning motivation. To determine the relationship between the duration of social media use and the learning motivation of school-aged children at SDN Gisikdrono 03, Semarang City. This study uses a quantitative method with probability sampling technique, specifically stratified random sampling. The sample in this study consisted of 122 respondents. The instrument in the study used a questionnaire on the duration of social media use and learning motivation. Data analysis used the Spearman rank test. There is a relationship between the duration of social media use and the learning motivation of school-aged children at SDN Gisikdrono 03 Semarang City, with a p-value of 0.000 < 0.05, leading to the rejection of H0 and acceptance of Ha, with a correlation value of -0.636, which falls into the strong category with a negative duration, indicating an inverse relationship. This means that the longer the duration of social media use, the lower the learning motivation. Conclusion: There is a significant relationship between the duration of social media use and learning motivation, where the longer the duration of social media use, the lower the learning motivation.

Analysis of the business situation experienced by PT Spectrum Lintas Service indicates that the achievement of success in obtaining large-scale project contracts is greatly influenced by the technical image and confidence given by clients. This study aims to investigate the impact of Improving Technical Qualifications, Customer Relationship Management, and Procedural Governance Quality on the Achievement of Competitive Advantage at PT Spectrum Lintas Service. The study population consisted of a total of 141 customers. The data analysis approach used was the SPSS tool to test the research hypothesis through t-test and F-test. The results of the F-test showed a significance probability value of 0.000 smaller than 0.05. Based on the findings, it can be concluded that improving technical qualifications, customer relationship management, and procedural governance quality significantly contribute to the competitive advantage of PT. Spectrum Lintas Service. Improving technical qualifications has a negative but not substantial impact on competitive advantage, with a significance value of 0.110 greater than 0.05. Customer relationship management has an impact on competitive advantage with a significance value of 0.00, which is smaller than 0.05. The quality of the procedural system has a significant influence on competitive advantage.

This study seeks to examine the influence of brand image, product innovation, and lifestyle on purchasing decisions for iPhone smartphones among residents of Patumbak Village, Dusun V, Deli Serdang. Specifically, it aims to analyze the individual effect of brand image on purchasing decisions, the effect of product innovation on purchasing decisions, and the effect of lifestyle on purchasing decisions, as well as their combined impact. The research employs a descriptive quantitative approach, utilizing questionnaires, interviews, and documentation as data collection techniques. The population consists of 740 residents of Patumbak Village, Dusun V, and the sample of 88 respondents was determined using non-probability sampling with the Slovin formula. The collected data were processed and analyzed through multiple linear regression analysis using SPSS version 26.0. The findings indicate that the calculated F value (205.841) exceeds the F table value (2.71), demonstrating a significant simultaneous effect of brand image, product innovation, and lifestyle on purchasing decisions. Partially, brand image (t = 2.885), product innovation (t = 2.491), and lifestyle (t = 5.570) each show t-values greater than the t table value (1.662), confirming their significant individual influence. Furthermore, the coefficient of determination (R²) of 0.570 reveals that 57% of the variation in purchasing decisions is explained collectively by the three independent variables.

Background: Anxiety in postpartum mothers is a psychological problem that can negatively impact maternal mental health, marital relationships, and the lactation process. This psychological disorder can inhibit the production and let-down of breast milk, which, if not addressed promptly, can lead to physical complications such as breast engorgement or mastitis, as well as hinder the fulfillment of the infant's nutritional needs. Objective: This study aimed to determine the relationship between anxiety levels and delayed breast milk let-down in postpartum mothers at Prof. Dr. R.D. Kandou General Hospital Manado. Methods: This research is an analytical survey with a cross-sectional design. The sample consisted of 30 postpartum mothers selected using non-probability sampling. Research instruments included questionnaires and interviews, with data analysis using the chi-square test. Results: The majority of respondents experienced moderate anxiety (60.0%) and had non-smooth breast milk let-down (53.3%). Statistical test results showed a p-value = 0.030, indicating a significant relationship between anxiety levels and delayed breast milk let-down. Conclusion: High anxiety levels in postpartum mothers contribute to delayed breast milk let-down. Psychological support for postpartum mothers is needed to maintain the smoothness of the breastfeeding process.