درخت حوزه‌های تخصصی

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.

Purpose: The main purpose of this article is to identify and analyze the factors affecting the maturity management of educational technology in Iranian schools. Methodology: The research method is mixed (qualitative-quantitative). To conduct this research, in addition to document study, thematic analysis technique with MAXQDA12 software was used to identify factors and components. The statistical population in this research were all experts in the field of educational management and educational technology, as well as regional managers with high experience and work experience in education, which was done after 14 theoretical saturation interviews. The interviews lasted between 75 and 120 minutes. Finally, the basic, organizing, and inclusive themes are extracted and in the quantitative part, the Dimtel technique is used to determine the effectiveness of the dimensions of educational technology. Findings: According to semi-structured interviews, 4 dimensions (educational technology knowledge management, educational technology resources and facilities, control and coordination on educational technology and educational technology infrastructure), 15 components (organizing themes) and 55 indicators (basic themes) In order to manage the maturity of educational technology in Iranian schools, it was extracted. After that, according to the questionnaire of paired comparisons to identify the influential and influential dimensions, it was determined that the dimensions of educational technology infrastructure, knowledge management of educational technology, control and coordination of educational technology, and resources and facilities of educational technology are respectively more influential. Conclusion: The findings of this study have many practical implications for managers and officials of the education system, and they based on the results of this study can take an effective step towards improving the maturity management of educational technology in Iranian schools.

Purpose: Today, having knowledge-based organizations and businesses is considered an important and main capital for a country and can create a competitive advantage. As a result, the aim of this study was to drawing a scientific map of the knowledge-based businesses development with a bibliometric approach. Methodology: The current research in terms of purpose was applied and in terms of implementation method was descriptive. The population of this study was the conducted research in the field of knowledge-based business development in the Scopus database from 1985 to 2023 year. The data of this study were analyzed by the bibliometric method according to the systematic approach with the two objectives of functional analysis and citation network analysis and with PRISMA protocol in VOSViewer software. Findings: The functional analysis findings showed that in the field of knowledge-based businesses development, Gambardella and McGahan had the most citations (372 times) with an article entitled Business-model innovation: General purpose technologies and their implications for industry structure. Also, authors including Crenicean, Ichijo, Kohlbacher, Markopoulos, Popescu, Sequeira, Vanharanta and Will and countries including United Kingdom, China, United States, Germany, Italy, Romania and South Korea respectively had the most research in the field of knowledge-based businesses development. In addition, the findings of the citation network analysis showed that for collaboration between authors there were 21 links, 7 keywords and 1 cluster and for collaboration between countries there were 34 links, 22 keywords and 5 clusters. Also, for co-referencing words there were 1475 links, 138 keywords and 6 clusters, which were more related to the words of business development, knowledge-based systems, innovation and knowledge management. Conclusion: The results of the present research about the knowledge-based businesses development with a bibliometric approach can have an effective role in designing and implementing programs to improve knowledge-based businesses.

Purpose: The blended training implies a continuous process of teaching and learning. Therefore, the current research was conducted with the aim of determining the causal relationships between the identified factors in the development model of blended training in Tehran education. Methodology: The current research in terms of purpose was applied and in terms of implementation method was descriptive from survey type. The population of this study was all the managers and assistants of education in Tehran city, which number of 242 manager and assistant were selected as a sample using the available sampling method. The research tool was a researcher-made questionnaire of development of blended training in education with 75 items. The data were analyzed with the methods of exploratory factor analysis and structural equation modeling in SPSS-V23 and LISREL-V8.8 software. Findings: The results of this study indicated that the development model of blended training in education had three components of constituent factors, organizational factors and educational factors, which its validity and reliability were confirmed. Also, the development model of blended training in education had a good fit and in this model, organizational factors and educational factors had a positive and direct effect on constituent factors of blended training in education (P<0.05). Conclusion: According to the results of this study, in order to improve the development of blended training in education can provide the ground for the realization of organizational factors and educational factors.

Purpose: Today, the online purchase intention can create a competitive advantage for the organization and social media marketing activities can be effective in this field. Therefore, the purpose of this study was to determine the effect of social media marketing activities on the online purchase intention of sportswear customers according to the mediating role of the company's brand. Methodology: This research based on the purpose was a practical and based on the nature was a cross-sectional from type of descriptive. The population of this study was the sportswear customers of different brands in Mazandaran province who used social media to buy products. The sample size based on the Krejcie and Morgan table was determined 384 people who these people were selected by available sampling method. The tool of the current research was a 32-item researcher-made questionnaire with three dimensions of social media marketing activities (9 items), online purchase intention (2 items) and company's brand (21 items and 4 components of brand loyalty, brand experience, brand attitude and customer-brand relationship). The content validity of the researcher-made questionnaire was estimated at 0.75 by 8 professors and their reliability was estimated ranged from 0.65 to 0.83. Data were analyzed by structural equation modeling In SPSS-V25 and Smart.PLS-V24 software. Findings: The results of this study showed that there was a positive and significant correlation between the most variables of social media marketing activities, brand loyalty, brand experience, brand attitude, customer-brand relationship and online purchase intention (P<0.05). Also, the model of social media marketing activities on the online purchase intention of sportswear customers according to the mediating role of the company's brand had a good fit, and in the mentioned model, the variable of social media marketing activities on the brand loyalty, brand experience, brand attitude and customer-brand relationship and the variables of brand loyalty, brand experience, brand attitude and customer-brand relationship on the online purchase intention had a direct and significant effect and the variable of social media marketing activities with the mediating of brand loyalty, brand experience, brand attitude and customer-brand relationship on the online purchase intention had an indirect and significant effect (P<0.05). Conclusion: Social media marketing activities directly and indirectly through company's brand impact on the online purchase intention. Therefore, to improve customers' online purchase intentions can be improved the social media marketing activities and company's brand.