درخت حوزه‌های تخصصی

Purpose: After-sales service includes a wide range of services and provides the basis for a long and easy use of the product. The present study was conducted with the aim of designing a curriculum model for after-sales service in the automobile industry in Iran. Methodology: This was a mixed exploratory study (qualitative and quantitative). The research population in both the qualitative and quantitative sections were the CEOs and after-sales service assistants of the automobile industry, training managers and technical experts of the automobile industry, and according to the principle of theoretical saturation, 18 of them were selected as a sample using the snowball sampling method. The research tools were demographic information form and semi-structured interview with experts, the data of which were analyzed in the qualitative part with open, central and selective coding method in MAXQDA-10 software and in the quantitative part with exploratory factor analysis method in Smart PLS-3 software. Findings: The findings showed that the after-sales service curriculum model of the automobile industry in Iran had 61 indicators in 6 categories of efficient and effective management, skilled and trained human resources, use of new technologies, training development, evaluation and customer satisfaction. Other findings showed that the after-sales service curriculum model of the automobile industry in Iran has 57 items (removal of 4 items due to factor loading less than 0.40) in 6 factors of efficient and effective management, skilled and trained manpower, use of new technologies, It was the development of training, evaluation and customer satisfaction. The validity of the factors based on the factor loading was higher than 0.60, the convergent validity was higher than 0.50 and the average variance extracted was higher than 0.70, and the reliability was higher than 0.80 with Cronbach's alpha method. In addition, the 6-factor model of the after-sales service curriculum of the automobile industry in Iran had a good fit and the effect of the said model had a direct and significant effect on all 6 factors (P<0.05). Conclusion: Managers and planners of the automobile industry and its after-sales services in Iran can use 6 categories of efficient and effective management, skilled and trained manpower, use of new technologies, training development, evaluation and customer satisfaction to improve the after-sales service curriculum. car industry to use.

Purpose: Considering the importance of school anxiety and its role in the decline of other academic performance, the present study was conducted with the aim of prediction of school anxiety based on the academic self-efficacy, academic support and academic engagement of first secondary students. Methodology: The current research was a descriptive from type of correlation. The research population was all first secondary students of Tabriz city in the academic years of 2022-2023. The sample size based on the Krejcie and Morgan table was calculated 269 people, which this number were selected by multi-stage cluster random sampling method. The research tools were the questionnaires of school anxiety (Philips, 1987), academic self-efficacy (Jinks & Morgan, 1999), academic support (Sands & Plunkett, 2005) and academic engagement (Reeve, 2013). The data obtained from the implementation of the questionnaires were analyzed with the methods of Pearson correlation coefficients and multiple regression with enter model in SPSS software. Findings: The findings showed that all three variables of academic self-efficacy, academic support and academic engagement had a significant negative relationship with school anxiety in first secondary students (P<0.01). Also, the three mentioned variables significantly were able to predict 56.5 percent of school anxiety changes in first secondary students (P<0.001). Conclusion: The results of this study have practical implications for people who deal with students, and they to reduce school anxiety in students can increase their academic self-efficacy, academic support and academic engagement through educational workshops.