This study was conducted with aim of determine the effect of the Quran recitation on mental health of the medical staff of Mazandaran University of Medical Sciences (Sari, Iran). This quasi-experiment study was done in 2016. According to same study 80 medical staff of Mazandaran University of medical sciences (Mazandaran, Iran) were gathered according to inclusion criteria's. Inclusion criteria's were (i) complete satisfaction to study, (ii) no having mental or physical disorders. In case of emergency events participants were excluded from study. Then participants randomly distributed to two groups (40 participants in control and experimental group). Experimental group listened to some verses of the Holy Quran for 3 months at the beginning of each working day for 3 minutes, while the control group didn't receive the Quran recitation. The findings showed that 45% of staffs were male and 55% of staffs were women. The average age of staffs was 44.87 ± 3.56. The mean of mental health and all its domains, after hearing the verses of the Quran, in experimental group was higher than the control group (p < .05). Also women indicated a higher average score than men on mental health, behavioral and socio emotional domains. As a final conclusion and on the basis of the findings of this study; it can be said, particularly in Muslim communities, hearing the Quran recitations improves the mental state of the people. Therefore, it is recommended to use the Quran recitations to reinforce positive emotions and psychological comfort for Muslim staffs.
One of the basic criteria for decisions on the exchange is stock returns. Stock returns, alone, are having informational content and more actual and potential investors use it in financial analysis and forecasts. Many studies have been done on the relationship between risk and return. Fama and French purpose of the experiment was to know the relative importance of future stock returns, which at present, is different than the market value to their book value. Methodology: Fama and French, to predict stock returns were to work as a model became known three-factor model. In this model, the stock return was affected by three factors: beta, firm size and the ratio of book value to market value. In recent years, were presented and were studied three and four-factor model of Fama and French for evaluation pricing of capital assets and most recently, Fama and French also have provided their five-factor new model. The aim of this study was to compare the results of forecast three factor model and four-factor model and the five-factor model of Fama and French in Tehran Stock Exchange. Results: The results show that the five-factor model of Fama and French is a significant in Tehran Stock Exchange and in comparison the explanatory power of three and four and five factors models, the five-factor model was better than the three factor model and four factor model was better than the five factor model. Conclusion: So, using four factor models in financial analysis in Tehran stock exchange will result in the highest performance.
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