درخت حوزه‌های تخصصی

The purpose of the research is to analyze the effects of ethical leadership and organizational politics on individual and team creativity, focusing on the mediating role of knowledge hiding. The study is a descriptive-correlational survey and is applied in terms of purpose. The statistical population included employees of selected public organizations in the Eqlid County, totaling 950 individuals. 270 individuals were selected using a non-probability convenience sampling method based on the rule of thumb for SEM as the sample. To collect data, the following measures were used: Brown's et al. (2005) Ethical Leadership scale, the Organizational Politics scale by Kacmar and Carlson (1997), the Knowledge Hiding scale by Serenko and Bontis (2016), the Individual Creativity scale by Zhou and George (2001), and the Hanke's (2006) Team Creativity scale. The validity of scales was confirmed using the content validity, and the reliability was examined using Cronbach's alpha, yielding values of 0.89 for the Ethical Leadership, 0.82 for the Organizational Politics, 0.92 for the Knowledge Hiding, 0.87 for the Individual Creativity, and 0.85 for the Team Creativity. For data analysis, SEM and the AMOS software were used. The results of the study fitted the research model, indicating that ethical leadership and organizational politics have a significant negative impact on knowledge hiding. Additionally, knowledge hiding has a significant negative effect on both individual and team creativity of employees. By reducing knowledge hiding behaviors through ethical leadership and organizational politics, the level of creativity among employees at both individual and team levels increases.

Introduction: Whenever there is an outbreak of infectious diseases, psychosocial impact has been observed on individual and social levels globally. The psychological and social effects of the COVID-19 epidemic are potential and widespread, which affect people's mental health in the long term. The present study aimed to investigate the role of neuroticism in predicting psychological distress through perceived stress and loneliness in covid-19.Method: This research was carried out in the form of correlation and structural equations. The statistical population of the research was all the students of Azarbaijan Shahid Madani University, 300 of whom were selected through convenience sampling, and the neuroticism scale was from the short form of the Neo questionnaire, the Cohen et al.'s perceived stress questionnaire, the Kessler psychological distress questionnaire, and the loneliness scale. Social Emotional Assessment for Adults (SELSA-S) was administered to them. Then the obtained data were analyzed using Spss26 and Amos22 software.Results: The results showed that neuroticism is related to psychological distress through loneliness and perceived stress. Also, there is a positive and significant relationship between the components of loneliness, perceived stress, and neuroticism with stress, anxiety, and depression.Conclusion: Therefore, considering the increasing spread of psychological distress, it is necessary to reduce people's psychological distress by teaching self-care skills and stress management.

 Objective: Being overweight and obese in adolescence is associated with severe health effects during their lifetime The purpose of this study was to explain the mediating role of self-compassion in the relationship between family cohesion, stress, and quality of life with body mass index in adolescent girls Method: The current research was descriptive-multiple linear regression From among the statistical population of the research, 250 teenage girls were selected as the research sample using a multi-stage cluster sampling method, and finally, after dropping 50 people from the sample group, the data of 200 of them were analyzed. The tools of data collection included the Samani Family Cohesion Questionnaires (2001), Byrne and Mazano Stress (2002) Scale, the World Health Organization Quality of Life (1996) questionnaire, and the NAF Self-compassion (2003) inventory. For data analysis, structural equation modeling was performed using SPSS26 and AMOS24 software. Results: The results showed that the model of body mass index based on the quality of life, family cohesion, and stress with the mediating role of self-compassion has a good fit. It also indicated that family cohesion, stress, and quality of life did not predict body mass index in adolescent girls, But quality of life predicts body mass index in adolescent girls. Conclusion: It seems that self-compassion plays a mediating role in the relationship of body mass index with family cohesion, stress, and quality of life in adolescent girls. 

 Objective: This study aimed to examine the effects of reality therapy on improving psychological capital and sense of cohesion among Iranian Patients with Multiple Sclerosis. Method: This study was performed in Tehran in 2021. Sampling was employed to select 36 participants who completed the Psychological Capital Questionnaire and Sense of Cohesion Scale in the pretest, posttest, and onemonth follow-up stages. The participants of the experimental group underwent eight weekly 90-minute sessions to receive the online reality therapy; However, the control group received no intervention. Results: Data analysis showed a significant difference in psychological capital and sense of cohesion in the experimental group compared to the control group (P< 0/05). There was a significant difference in three subscales of psychological capital (i.e., self-efficacy, resilience, and hope) and two subscales of the sense of cohesion (i.e., perceptibility and controllability) in Patients with MS in the experimental group (P <0.05), but no significant difference in optimism (a subscale of the psychological capital) and significance (a subscale of sense of cohesion) (P> 0.05). Conclusion: Due to the effects of reality therapy on patients with multiple sclerosis, this psychological therapy can be employed to improve the psychological capital and sense of cohesion.

The presence of a suitable organization in the organization can improve performance and effectiveness, and as a result, increase the efficiency of organizations. Among the indicators that the organizational culture has an organizational effect according to its characteristics. This study was conducted with the aim of the effect of organizational culture on the organizational effectiveness of administrative staff with the mediation of organizational creativity in the employees of the education. The research method was correlational. The sample population was 172 employees based on Singh and Moscow's sample size determination table. data collect, Dennison's Organizational Culture Questionnaire (2000), Parsons (2005) Organizational Effectiveness Questionnaire (AGIL) and Dorabjee, Lumley, and Cartwright (1998) Organizational Creativity Questionnaire were used. The reliability of the questionnaires was obtained using Cronbach's test as 0.88, 0.90 and 0.89 respectively. The data were analyzed using SPSS25 and Lisrel8.8 software by structural equation modeling method. The findings of the research showed that organizational culture has a positive and significant effect on organizational creativity. Organizational creativity does not affect organizational effectiveness. Also, organizational culture has a positive and significant effect on the organizational effectiveness of office employees through the mediating role of organizational creativity. It is suggested that managers increase the level of organizational creativity in themselves and the organization by rediscovering and recognizing the organizational culture and using its strengths. They can accelerate this by providing continuous and diverse training and using different methods in order to increase the level of knowledge and improve job skills.

 Objective: This study aimed to investigate the effectiveness of the integrated approach of meaning therapy and hope therapy on tolerance of ambiguity, alexithymia, and psychological hardiness of women with breast cancer in Dezful City. Method: The statistical population of this study consisted of all women with breast cancer in Dezful in 2021, from whom 30 people were randomly selected and assigned to experimental and control groups. Toronto Alexithymia Scale (Taylor, 1986), Ambiguity Tolerance Scale, and Hardiness Questionnaire (Kobasa et al.,1982) were administered to both groups. Then the experimental group was subjected to group therapy of the integrated approach of meaning therapy and hope therapy. The number of therapy sessions was eight 90-minute sessions, and after the end of the training course, both experimental and control groups completed the research questionnaires again. After collecting data, multivariate and univariate analyses of variance were used to analyze data via SPSS software. Results: The results of the data analysis confirmed the effectiveness of this integrated approach on tolerance of ambiguity, alexithymia, and psychological hardiness (p≤ 0/001). Also, the results showed the effect of this integrated approach on the dimensions of alexithymia (difficulty in recognizing emotions, difficulty in describing feelings, and extrovert thinking) and the dimensions of psychological hardiness (commitment, control, and struggle). Conclusion: The findings of this study could lead to positive consequences of the integrated approach of meaning therapy and hope therapy in women with breast cancer 

Job burnout results in decreased productivity and the depletion of human resources, leading to detrimental impacts on individuals, families, and society. This study aimed to explore the relationships among five key variables: stress, depression, anxiety, job burnout, and teachers' working memory. The study population comprised teachers from Zabul city during the 2022-2024 academic years. A sample of 120 teachers was selected using cluster random sampling for descriptive and correlational analyses. Working memory was assessed using the Working Memory Questionnaire (Daneman & Carpenter, 1980). Stress, anxiety, and depression were measured using the Depression, Anxiety, and Stress Scale (DASS-21). Job burnout was evaluated with the Maslach and Jackson's 1980 Burnout Inventory (MBI). The study utilized descriptive statistics and Pearson's correlation coefficient, as well as step-by-step regression analysis, to examine the relationships among stress, depression, anxiety, job burnout, and working memory. The findings indicated a strong correlation among these variables. Regression analysis showed that burnout was the most significant predictor of teachers' working memory compared to the other three variables.