درخت حوزه‌های تخصصی

Purpose: Educational activities play an important role in the growth and flourishing of talents and abilities. As a result, the current research was conducted with the aim of evaluating the model of implementing educational activities in the preschool period. Methodology: This study in terms of purpose was practical and terms of implementation method was qualitative from type of exploratory. The statistical population of the present study was all the preschool period teachers in the east of Tehran province, numbering 1830 people who based on Cochran's formula the sample size was estimated to be 318 people who were selected by multi-stage cluster sampling method. The data was collected with a researcher-made questionnaire of educational activities in the preschool period with 110 items and its face validity was confirmed by the opinion of 30 experts and its reliability was evaluated suitable by Cronbach's alpha method. Data were analysed by exploratory factor analysis and structural equation modelling methods in SPSS and AMOS software. Findings: The results of exploratory factor analysis showed that the model of implementing educational activities in the preschool period had 110 indicators in 20 components and 8 dimensions. Its dimensions and components were included goals (with 2 components of general goal and partial goal), content (with 5 components of children's educational ability, analysis ability, content comparison ability, content recombination and content production training), teaching and learning strategies (with 2 component of teaching characteristics and teaching techniques), learning activities (with 2 components of personalized learning and active learning), grouping (with 3 components of individual characteristics of the child, various forms of group activities and emotional and social characteristics), resources (with 3 components of required resources and facilities , characteristics of resources and materials and use of visual resources and materials), evaluation (with 1 component of child evaluation characteristics), time and place (with 2 components of time management and space management) which their content validity ratio was calculated higher than 0.70 and their reliability with Cronbach's alpha method was calculated higher than 0.70. Conclusion: The confirmed model of implementing educational activities in the preschool period of the current research can help the specialists and planners of the education system in designing and implementing programs to improve the educational activities in the preschool period.

Purpose: Friendship-oriented leadership is one of the relatively new methods of leadership to gain a competitive advantage. Therefore, the purpose of this study was to design and formulate a friendship-oriented leadership model. Methodology: This study was applied in terms of purpose and qualitative in terms of execution method. The research community was experts and experts in the field of broadcasting leadership in 1400. The sample size was determined based on the principle of theoretical saturation of 20 people, and this number was selected by purposive sampling. The data was collected with a semi-structured interview, the validity of which was confirmed by the triangulation method and the reliability was calculated with the Cohen's kappa coefficient of 0.66. The data were analyzed by open, central and selective coding method based on database theory in MAXQDA software. Findings: The findings showed that 108 indicators were identified in 11 sub-categories and 6 main categories for the friendship-oriented leadership model; So that the friendship-oriented leadership model in the category of causal conditions includes individual abilities and capabilities and follower conditions, in the category of contextual conditions including organizational characteristics, demographic factors and human resources mechanism, in the category of intervening conditions including the organizational environment and extra-organizational factors, in the category of central phenomenon including leadership Friendship-oriented, in the category of strategies included leadership strategies, and in the category of consequences, it included positive consequences and negative consequences. Finally, the paradigm model of friendship-oriented leadership was designed. Conclusion: Specialists and organizational planners can use the categories and indicators identified for the friendship-oriented leadership model to improve their organization and create a competitive advantage and improve them in their organization.

Purpose: Entrepreneurship is considered as the driving force of economic and social growth of societies. Methodology: The present qualitative study is based on grounded theory, while recognizing the dimensions of the rural business space in Kurdistan Province, has identified the factors affecting rural entrepreneurship in this region. Also, in this study, in order to increase the efficiency of policies and plans of rural entrepreneurship development institutions, a conceptual model of extractive factors has been proposed. For this purpose, a group of fifteen rural entrepreneurs, local experts and officials and extra-local experts were selected and studied using non-probability sampling methods, such as theoretical, purposive and snowball sampling. The data were collected using three tools of interview, field observations and review of archival documents and analyzed using open, axial and selective coding. Findings: The study results classified the factors affecting the development of rural entrepreneurship in Kurdistan Province into the following categories: individual, social, cultural, infrastructure, natural and ecological, legal, educational, political and economic institutional factors. Conclusion: In addition, interactive mechanism is reflected according to the structural model of grounded theory with six theoretical components.