درخت حوزه‌های تخصصی

Purpose: Entrepreneurial leadership plays an effective role in improving the performance of various businesses including small and medium businesses. As a result, the current research was conducted with the aim of presenting a model of the role of entrepreneurial leadership in the performance of active small and medium businesses in the field of nanotechnology in Tehran. Methodology: The method of this research was of mixed exploratory type (qualitative and quantitative). The population of the present study in the qualitative section was the policy experts of the nanotechnology industry, which number of 17 of them were selected as a sample according to the principle of theoretical saturation and with the purposeful sampling method. Also, the population of present study in the quantitative section was the managers and experts of small and medium businesses of nanotechnology industry whit number 1434 people, which 303 people of them were selected as a sample according to Cochran's formula and with the available sampling method. The data of the qualitative and quantitative sections were collected with methods of semi-structured interview and researcher-made questionnaires, respectively which whose psychometric indicators were confirmed and analyzed with methods of thematic analysis in MAXQDA software and exploratory factor analysis and structural equation modeling in SPSS and LISREL software, respectively. Findings: The findings of the first part of current research showed that the model of the role of entrepreneurial leadership in the performance of active small and medium businesses in the field of nanotechnology had 13 sub-factors in the 5 main factors of guidance, support, coaching, facilitation and entrepreneurship. Also, the findings of the second part of the present study showed that the factor load, average variance extracted and reliability of all factors were appropriate. In addition, the model of the role of entrepreneurial leadership in the performance of small and medium-sized businesses active in the field of nanotechnology had a significant effect on all five main factors and each factor with its sub-factors (P<0.05). Also, the findings of the second part of the current research showed that the factor load, average variance extracted and reliability of all factors were appropriate. In addition, the model of the role of entrepreneurial leadership in the performance of active small and medium businesses in the field of nanotechnology had a significant effect on all five main factors and each main factor on its sub-factors (P<0.05). Conclusion: The model of the role of entrepreneurial leadership in the performance of active small and medium businesses in the field of nanotechnology has many practical implications for the activists in the field of nanotechnology industry, and they can according to the identified factors provide the basis for improving entrepreneurial leadership.

Purpose: Text books play an important role in improving the moral status of students, and in the meantime, the amount of attention the text books to moral skills needs to be investigated. Therefore, the aim of this study was to investigating the amount of attention to the moral competencies of the national curriculum of the Islamic Republic of Iran in the social studies text books of the first secondary school. Methodology: This study in terms of implementation method was descriptive which in it was used the method of analyzing text books. The research population was the social studies text books of the first secondary school (7th, 8th and 9th) in the 2021-2022 academic years and all three of them were selected as a sample using the census sampling method. The research tool was taking notes of moral competencies of the curriculum in the mentioned books, which whose face validity was confirmed by curriculum experts and specialists, and whose reliability by test-retest method was calculated 0.86. The data as a content analysis were analyzed with using frequency and percentage frequency method of moral competencies of the national curriculum of the Islamic Republic of Iran in the social studies text books of the first secondary school. Findings: The findings showed that in the social studies text books of the first secondary school (7th, 8th and 9th) according to the national curriculum of the Islamic Republic of Iran were identified number of 139 competencies in the three axes of orientation and desire (62 cases), action and behavior (47 cases) and cognition and knowledge (30 cases) that the share of text books for the seventh, eighth and ninth grades was 58, 39 and 42 cases, respectively. Also, among the 19 moral competencies emphasized in the national curriculum of the Islamic Republic of Iran, the text books of the 7th, 8th, and 9th grades covered only 10, 10, and 12 cases of the competencies, respectively. Conclusion: According to the results of this study, it is necessary to create and promote moral competencies in the social studies text books of the first secondary school based on the national curriculum of the Islamic Republic of Iran.

Purpose: Individuals going through adolescence faced a significant number of changes from biological, and cognitive to social and emotional. Due to the changes experienced by adolescents, it is susceptible for adolescents to experience a high level of loneliness. The correlation between loneliness and impulsivity and the association between impulsivity and self-harm as well as self-injurious behaviors puts adolescents in a vulnerable position in performing undesirable acts or behaviors. On the other hand, resilience plays a significant role in an individual’s ability to cope with an adverse situation or bounce back quickly after the undesired situation in order to maintain or regain mental health. Therefore, the objective of this study is to run review research through contemporary studies to summarize accumulative documents in the area of resilience, loneliness, and impulsivity among adolescents to investigate the mediating role of resilience. Methodology: For this, a search was carried out on the Web of Science, Google Scholar, and PubMed. Thus, a set of keywords was used, followed by filtering main keywords, resulting in a review of 99 articles published a decade ago. Findings: The results demonstrated that the number of adolescents having mental illness increased significantly over the years, and adolescents aged 16 and above are at risk of mental disorders. Besides that, this research revealed that adolescents in Malaysia are at risk of peer and social rejection, which is highly associated with loneliness and also has a correlation with aggression and impulsivity. Conclusion: It was seen that loneliness and impulsivity are essential risk factors for adolescents’ mental health and resilience can consider effective cognitive and coping skills for adolescents. It was also perceived that most of the papers focus on the investigation of the correlation between loneliness, impulsivity, and resilience, being necessary to develop more experimental studies on the effectiveness of resilience therapy for adolescents’ enrichment. These results serve as a source of reference for future research.