This study analyzes the impcat of social media, customer satisfaction and product review on Aerostreet shoes purchasing decisions on Shopee. Using a quantitive approach, data was collected through questionnaires from 100 Dian Nuswantoro University students who bought Aerostreet shoes. Data analysis used SPSS, including validity, reliability, classical assumption and hypothesis test. Result show that social media, customer satisfaction and product review significantly influence purchasing decision. This study provides insights for marketers to optimize social media effectiveness and product quality to enhance competitiveness in the digital market.

This study analyzes the impact of service quality, store atmosphere, and price fairness on customer satisfaction and its effect on loyalty at Kaisar Barbershop Semarang. A quantitative approach using PLS-SEM was employed, with 145 purposively sampled respondents (criteria: customers who used the service at least twice in the last three months). Data was collected via a 7-point Likert scale questionnaire and analyzed using SmartPLS. Results show that service quality is the most dominant factor (path coefficient 0.732), followed by store atmosphere and price fairness (each 0.135). Customer satisfaction also significantly influences loyalty (0.935). These findings assist management in improving strategies to maintain customer loyalty in a competitive market

Teacher performance according to Law Number 14 of 2005 includes the main activities of planning, learning, implementing, assessing learning outcomes, mentoring and training children as well as additional tasks related to the main activities in accordance with the main workload. Teacher performance influences student learning outcomes, with good teacher performance it should produce good quality students as well. Therefore, it is natural that teacher performance needs to be measured every period. The assessment certainly contains the main and additional tasks. Based on these problems, it is also necessary to improve the existing performance appraisal system. There needs to be an appropriate method to assist the teacher performance assessment process, one of which is the weighted method, namely simple additive weighting (SAW). Performance assessment every semester using the SAW method will be able to bridge the results of increasingly better teacher performance. The assessment is carried out on a weighted basis for each parameter. The final result is a ranking of the performance of all teachers in descending order