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Human resources play an important and fundamental role in gaining and maintaining competitive advantage in organizations, and for this reason, new concepts such as the dark triad of personality and its relationship with employees' perceptions and behaviors are gaining the attention of researchers. This research was also conducted with the aim of investigating the effect of the dark triad of personality on organizational citizenship behavior with the mediating role of rudeness in the work environment and Islamic work ethics in Tabriz Petrochemical Company. This research is applied in terms of purpose and descriptive-survey in terms of nature. The statistical population of the present research consists of the employees of Tabriz Petrochemical Company, under the ownership of National Iranian Petrochemical Industries Company, which has 941 official employees; Out of this number, about 200 people responded to the questionnaire items as a sample based on Cochran's formula and using the available sampling method. The data collection tool was a researcher-made questionnaire taken from the studies of Johnson and Webster (2010), Cortina et al. (2001), Podaskoff et al. (1990) and Tofail et al. To measure the face validity of the questionnaire, the experts' opinions were used and to measure its content validity with a relative content validity index, the opinions of 10 experts knowledgeable about the research topic and its reliability or validity were considered and Cronbach's alpha coefficient test was applied. Data were analyzed using SPSSS Software and partial least squares method and Smart PLS Software. Examining the results of this research showed that the dark triad of the personality directly affects the organizational citizenship behavior and rudeness in the workplace. Moreover, rudeness in the workplace has a significant effect on the organizational citizenship behavior, and finally the Islamic work ethic has a significant effect on the organizational citizenship behavior. Impoliteness in the workplace mediates the relationship between the dark triad of the personality and organizational citizenship behavior. Furthermore, Islamic work ethics moderates the relationship between impoliteness in the workplace and organizational citizenship behavior. [ABSTRACT FROM AUTHOR]

Introduction: workplace incivility is one of the subtle forms of interpersonal and organizational abuse. The purpose of the present study was to investigate the causal relationship between job demands and workplace incivility with the mediating role of emotional exhaustion and the moderating role of perceived organizational support in an industrial company employee. Materials and Methods: In this descriptive correlational study, the statistical population was all employees of Bojnourd Cement Company, and 321 workers were selected according to the Cochran formula and by a simple random sampling method. The research data were collected using the Cortina et al. (2001) workplace incivility questionnaires, Jong et al. (1993) job demands, Maslachchr('39')s emotional exhaustion (1981), and Eisenberger et al. (1986) perceived organizational support. SPSS and AMOS 23 software were used for data analysis. Results: The results showed that the proposed model has a good fit. Job demands have a direct and indirect effect through emotional exhaustion on workplace incivility (p> 0.0001). The results also showed that the interaction of job demands and perceived organizational support, beyond the effects of the main variables, produced 1.5% added monopoly variance (R2Δ = 0.015, FΔ = 49.50, P

Introduction: In recent year, there has been a growing interest in the field of misbehaviors. Meanwhile, one of the concepts that attracted the attention of organizational experts is workplace incivility. The purpose of this study was to determine the effect of workplace incivility on the unproductive behaviors of hospital staff. Accordingly, the present study sought to reduce the scientific gap between the processes of workplace incivility behavior and to help managers avoid such behaviors, thereby enhancing citizenship behaviors, improving the efficiency and effectiveness of the organization and avoid the direct and indirect devastating effects of this phenomenon on the organization. Materials & Methods: This descriptive-correlational study was conducted on 344 employees of hospitals in Khorramabad, Lorestan, Iran, in 2017. The participants were selected from the study population of 3224 employees using simple random sampling technique. The study instruments were workplace Incivility Behavior, Self-monitoring, Locus of Control, Compulsory Citizenship Behavior, Anti-Citizenship Behavior, and Counterproductive workplace behavior scales whose validity and validity was confirmed by Cronbach's alpha and content validity. The data were analyzed using PLS software and tested by structural equation method (SEM) in terms of confirmatory factor analysis and hypothesis testing parts. Findings: The results of the research show that workplace incivility behaviors affect the non-productive behaviors of the staff positively and significantly (t>1.96). In this regard, the variables of Compulsory Citizenship Behavior and anti-citizen behavior play a mediating role (t>1.96). Moreover, the moderating role of locus of control and self-monitoring was negatively significant (t>1.96; β