درخت حوزه‌های تخصصی

Purpose: The purpose of this study was to design a biorhythm management model for Iranian public school principals with a fuzzy Delphi approach. Methodology: The design of the present study was qualitative with fuzzy Delphi method. Statistical population, professors of organizational behavior management in universities of Mazandaran province and senior managers of education departments in cities of Mazandaran province were selected and four rounds of fuzzy Delphi technique were performed with their cooperation. This selection and interviewing continued until the theoretical saturation was reached. Using the "rich information" sampling method with 15 professors of organizational behavior management in the universities of Mazandaran province and senior managers of education departments in the cities of Mazandaran province, the required information with semi-structured questionnaires Collected in four rounds. SPSS software was used to analyze the data. Findings: The results showed that the biorhythm management model of Iranian public school principals has four cycles and 28 dimensions of physical cycle (physical) (high mobility and energy, high physical strength, physical endurance and stability, physical weakness (negative), decreased physical ability (negative), inactivity and lethargy (negative), doing useful work and extreme fatigue (negative) ), Emotional cycle (interest in work and life, kindness, immorality and temper (negative), irritability (negative), confusion and mental weakness (negative), love of others, the power of creativity in affairs and mobility in Against the behavior of others (negative), intellectual cycle (mental) (rational) (promotion of intelligence, comprehension and memory, forgetfulness (negative), mental laziness (negative), poor decision-making power (negative), thinking power in affairs , Gaining new ideas and not focusing on personal and work affairs (negative) and intuitive cycle (inner inspiration, strong sixth sense, absorbing negative energy (negative) and attracting the spiritual forces of nature). Conclusion: Investigating the effect of biorhythm and different situations of employees on their job performance is an important issue and should be considered to prevent problems and increase performance, so identifying the explanatory dimensions of biorhythm management among managers of educational organizations, according to their critical tasks, is very important. And it seems necessary

Purpose: The aim of this study was to investigate the causal pattern of perceived competence on psychological capital mediated by the academic emotions of 10th grade male high school students in Tehran. Methodology: The research method was applied in terms of purpose, quantitative approach, cross-sectional in terms of data collection time and correlational in terms of research method. The statistical population of this study consisted of all tenth grade male students of the second year of high school in Tehran in the academic year 2019-20, from which 510 people were selected by multi-stage cluster random sampling. In this study, the tools of perceived competence (De Perna and Elliott, 2000), psychological capital (Lutans, 2011) and academic excitement (Pekrun, et al., 2005) were used, all of which had acceptable validity and reliability. SPSS-V23 and Amos-V8.8 software were used to analyze the data. Structural equation modeling was also used to answer the research hypotheses. Findings: The research findings showed that the model has a good fit. The results showed that perceived competence has an effect on psychological capital in students. Academic excitement affects the psychological capital of students. Perceived competence also affects psychological capital through the mediation of academic emotions. Conclusion: Therefore, it can be said that increasing psychological capital and perceived competence can improve the academic excitement in students.

Purpose: Present research was conducted with aim of the structural relationships of executive functions with academic engagement in female students: Mediated role of perception of educational environment. Methodology: This study was cross-sectional from type of correlation. The statistical research population was ninth grade female students of Sari County in the 2018-19 academic years. The research sample was 280 people who were selected by multi-stage cluster sampling method. To collect data were used from the questionnaires of academic engagement (Zrang, 2012), executive functions (Nejati, 2013) and perception of educational environment (Gentry & et al, 2002). Data were analyzed by structural equation modeling method in SPSS-18 and Amos-23 software. Findings: The results showed that the structural relationships of executive functions with academic engagement in female students: Mediated role of perception of educational environment had a good fit. In addition, executive functions on perception of educational environment and academic engagement and perception of educational environment on academic engagement had a direct and significant effect and executive functions with mediated of perception of educational environment on academic engagement had an indirect and significant effect (P<0.05). Conclusion: Regarded to the direct and indirect relationships of present study, can be enhanced the level of academic engagement via improving the executive actions and perceptions of the educational environment of female students.