Journal of

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 Background and Aim: Since employees satisfaction have important effects on achieving the goals of organizations and also organizational justice is a key factor in employees satisfaction, The aim of this study was to determine the relationship between organizational justice and organizational citizenship behavior in selected hospitals of Tehran University of Medical Sciences.

 Materials and Methods: This study was a descriptive and cross-sectional analysis. The study sample was composed of 312 employees from selected hospitals of Tehran University of Medical Sciences by cluster Stratified Random sampling. Data collected by using two questionnaires: Moorman& Niehoff Organizational Justice and Yaghoobi Organizational Citizenship Bahavior. The questionnaires reliability was supported and based on Cronbach s Alfa (OJ=94%, OCB=93%) and questionnaire validity was confirmed by specialist point of view. Data was analyzed by SPSS 18 software.

 Results: The result of analysis revealed that Hasheminejad hospital had the highest score of organizational citizenship behavior in all dimensions except for altruismin dimension. The score in each of the dimensions for organizational justice except for interactional justice in Hasheminejad hospital were the highest There was significant relationship between organizational justice and organizational citizenship behavior in the following dimensions: Altruism, Conscientiousness, Courtesy, Sportsmanship (p=0/0001). 

 Conclusion: As shown, there was a relationship between organizational justice and all aspect of organizational citizenship behavior in selected hospitals and also there was a positive relationship between involving staffs in organizationl activities with facilitating achievement of organizational goals and improvement of hospital performance, Therefore, strategies should be adopted in line with organizational justice to increase citizenship behavior.

 

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Background and Aim: Employees’ silence is common in organizations, and is mostly neglected. Employees are indifferent towards their supervisors, work quality and organization. Organizational justice is a factor that can diminish employees' silence. The aim of this study was to determine the relationship between organizational justice and headquarters employees' silence in Kerman University of Medical Sciences (KMU).
Materials and Methods: This study was a descriptive-correlational and cross-sectional research. The population included all 400 employees at KMU headquarters, among whom 147 members were selected as the sample using Cochran’s formula. In this study, two questionnaires were used: organizational justice questionnaire with a reliability of 0.91 and employees’ silence questionnaire with a reliability of 0.92. For data analysis, Pearson and Spearman correlation, regression testing, by SPSS software were used.
Results: The findings showed that there was an inverse relationship between organizational, distributive, procedural, and interactional justice with employees' silence in Kerman University of Medical Sciences. The regression findings showed that the variable “distributive justice” had the strongest negative effect on employees' silence.  
Conclusion: Encouraging employees to provide positive ideas, identify the existing problems, and reduce undesirable behavior like employees' silence can make employees operate more efficiently. Organizational justice is based on fair treatment, and it determines the employees’ reaction to organizational decisions. Therefore, it can partly remove problems and lead to the decline of employees' silence.  

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Background and Aim: To fulfill its mission, the health system needs reform in various sectors including supervisory areas. That is because the quality of supervision can have various consequences such as increase or decrease of innovative self-efficacy through various factors. Therefore, the aim of this study was to explain the mediator role of perception of organizational justice in the relationship between abusive supervision and innovative self-efficacy.
Materials and Methods: This is a correlational descriptive-analytical study. The sample included 225 employees of Shiraz University of Medical Sciences, who were selected through random sampling. The research instruments were questionnaires of abusive supervision, innovative self-efficacy and perception of organizational justice, which were distributed among the sample after calculating their reliability and validity. 
Results: The results showed that abusive supervision had a significant negative impact on the perception of organizational justice and employee’s innovative self-efficacy. Also, the perception of distributive justice has a significant positive impact on innovative self-efficacy and a mediation role in the relationship between abusive supervision and innovative self-efficacy.
Conclusion: In order to enjoy innovation, health-oriented organizations should reduce abusive supervision in managers’ and supervisors’ behavior; therefore, with the increase of employees’ feeling of innovative self-efficacy, they can lead to the realization of the mission of these organizations.

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Background and Aim: Loafing as one of the negative points of group activity in difficult jobs like medical emergency has two disadvantages. Regarding the importance of organizational injustice in creating frustration and individual procrastination, the present study was conducted to investigate the effect of perceived organizational justice on creating or intensifying the phenomenon of social loafing in emergency medical service of Yazd.
Materials and Methods: This is an analytical study and the research community included all nurses working in medical emergency service of Yazd in the second half of the year 2016. Data were collected through a census, and tools used in this study consisted of two questionnaires of perceived organizational justice and social loafing. To measure the reliability of the questionnaires, Cronbach's alpha was used and was at an authentic level with the values of 0.862 and 0.913. Also, the content validity of the questionnaires was evaluated. Finally, the data were analyzed by using Spearman correlation coefficient, student’s t-test and partial least squares method in SmartPLS software.
Results: Based on the results of the study, distributive justice, interactional justice and information justice have a significant inverse correlation with loafing with values of -0.169, -0.241 and -0.490; and overall, the status of loafing was an undesirable inference in this study with a significant amount 0.043 and average of 2.171.
Conclusion: The managers of organizations can play a major role in reducing social loafing by redefining the concept of justice and ways of its realization, especially in the field of interactional justice.