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: 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: Today, lifestyle plays an important role in improving people's living conditions. As a result, this study was conducted with the aim of identifying the components of informal education of improve the lifestyle of employees. Methodology: The current research in terms of purpose was applied and in terms of data was qualitative. The population of the current research was written sources related to the research field and organizational and universal experts in this field, and the sample of this study was 19 case of written sources and 20 people of experts who were selected by purposive and snowball sampling methods. Data were collected by taking notes from written sources and semi-structured interviews with experts and were analyzed by coding method according to the grounded theory in MAXQDA version 2020 software. Findings: The findings showed that informal education of improve the lifestyle of employees had 136 concepts in 12 components; So that in the central phenomenon section including two components of nature and method, in the causal conditions section including two components of organizational culture and individual factors, in the contextual conditions section including two components of educational facilities and managers' support, in the intervening conditions section including two components of legal obstacles and infrastructural obstacles, in the strategies section including two components of internal organization and organizational knowledge and in the consequences section including two components of competency improvement and empowerment. Conclusion: Considering the components of informal education of improve the lifestyle can be taken effective steps to improve the lifestyle of employees.

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.

Purpose: The purpose of the current study was to identify, quantify, and prioritize the components of reducing the resistance of managers of government organizations in the administrative transformation plan. Methodology: The mixed study method is based on exploratory mixed study. The statistical population in the qualitative section was university professors, managers, and experts of executive systems, in the quantitative section, managers and experts of government agencies, and in the prioritization section, high and middle managers of executive systems of selected organizations. In-depth interviews were used in the qualitative part, while questionnaires were used in the quantitative part, and matrix questionnaires were used in the prioritization one. Acceptability (expert review) and confirmability (expert review) were used to determine the validity and reliability in the qualitative stage, while in the quantitative stage, the validity of the questionnaires was confirmed by three methods: form, content, and structure. Reliability was estimated and confirmed by three methods of determining factor loadings of items, Cronbach's alpha of components (between 0.760 and 0.888) and combined reliability (between 0.842 and 0.923). In the prioritization section, the content of the matrix questionnaire was approved by five academic and organizational experts in terms of comprehensibility and expressiveness, and the rate of inconsistency of the criteria was calculated and confirmed as 0.05 to 0.07. Qualitative data were analyzed with the ground theory technique, while quantitative data with structural equation modeling technique, exploratory and confirmatory factor analysis tests in SPSS and Smart PLS software, and the prioritization section, data were analyzed through hierarchical analysis (AHP) in EXPERT CHOICE software. Findings: The results of the qualitative part indicated that the paradigm model includes 10 dimensions (categories) and 22 components (concepts) in the form of causal, contextual, interventional, strategy, and consequence conditions. Conclusion: The results of the quantitative part showed that all the components of the study model were confirmed. The results of the prioritization section show the greater importance of the outcome and organizational productivity component.