درخت حوزه‌های تخصصی

One of the most important issues in today&rsquos urban world is increasing use of cars and its noise pollution, which is now one of the most important affecting pollutants on health and quality of lives of residents in urban areas. Noise pollution effects on various aspects of human and the community health as well as the high cost of treatment, thus more studies in this field is needed. Hence the importance of this study is to measure noise pollution caused by traffic and its impact on public health and mental health of the citizens in Qom. The study method was field studies and library. The data obtained over a period of three months regularly studies from the streets of Qom and using the B & K-2230, Quest-2900 and dosimeter. Overall, the results indicate that almost in all streets, noise pollution rate is higher the standard level. Among these the Imam Khomeini Avenue, 19 Day, Eram, and Enghelab streets have more noise pollutions. Noise pollution reflects is determined by field studies. Analyzing the questionnaires distributed among residents of adjacent streets, the results show that there are mild to severe illness and eventually decrease mental and general health of nearby residents in the streets.

the aim of this study is explaining the relationship between social trust with citizenship ethic. The study population consisted of all high school students in Bushehr city that among this population, a sample of 360 students were selected by multistage random sampling method. the research tools included multi dimension comparison of recognized social support, questionnaire of social trust and citizens ethics questionnaire. To analyze the data, statistical methods such as Pearson correlation and multiple regression analysis were used. Pearson correlation coefficients showed that between Social trust and its dimension such as trust-based behavior, cooperative tendencies, openness, honesty and reliability has significantly relationship with ethics. Multiple regression analysis showed a significant positive relationship between aspects of social trust with citizen’s ethics. Predictor variables explain 22% variance of ethical citizens among high school students in Bushehr city. Among the predictor variables the cooperative intentions was the best predictive of citizens ethics and at the end the suggestions and necessary solutions were presented.

Background and purpose: Managers’ competencies leave a decisive effect on the mental health of staff. The present research intends to investigate the influence of emotional-social competencies on the mental health of the staff. Method: the current research is practical in its purpose and correlative regarding data gathering. The statistical community included all the staff of Pegah Company in District 3, which were 221 persons selected through simple random sampling. The assessment tools of this study were standard Boyatzis questionnaire for emotional-social competencies of managers from the staff’s point of view and Goldberg general health questionnaire for the mental health of the staff. The validity (content, convergent, divergent) and reliability (load factor, composite reliability, and Cronbach’s alpha coefficient) were employed which indicated that assessment tools have acceptable validity and reliability; and the gathered data were analyzed by SMART-PLS2 and descriptive statistics with SPSS21. Findings: the outcomes of this study indicate that t coefficient ranges between emotional-social competency, emotional competency and social competency with the mental health which were respectively 7.46, 5.21, and 10.46. Also, the values of R2 coefficient of determination were 0.71, 0.67, and 0.54 respectively which are desired results. It shows that emotional-social competency, emotional competency and social competency leave positive and significant impacts on mental health. Conclusion: the results of this study attests to the importance of managers’ emotional-social competency for mental health of staff. Thus, the organizations should employ some strategies for the managers to acquire emotional-social competencies and accordingly improve mental health of staff and attain organizational goals.