The effects of workplace bullying on staff self-esteem among manufacturing sector staff in Oman; Testing perceived psychological contract as mediator and moderator
Abstract
Workplace bullying is a common organizational and social phenomenon that costs financial and human productivity loss. The present study focuses on workplace bullying and its outcomes especially the underlying mechanism through which it leads to various employee outcomes. Thus, the study objective is set to investigate the effects of workplace bullying on staff self-esteem and perceived psychological contract. Additionally, the perceived psychological contract is tested as a mediator as well as moderator. The data is collected from selected manufacturing units from Oman (n=255). The research methodology was explanatory research design and survey-based cross-sectional method for data collection. The Confirmatory Factor Analysis is used to test the reliability, convergent validity, and discriminant validity of the measures involved. The path analysis is used for hypotheses testing and results indicate that workplace bullying has negative and significant effects on employee self-esteem (β=-.086, P<.05); and employee perceived psychological contract (β=-.069, P<.05). The mediation analysis indicates that perceived psychological contract significantly mediate the relationship between workplace bullying and employee self-esteem (β=-.038, P<.05). Furthermore, moderation analysis result indicate that perceived psychological contract moderate the negative effects of workplace bullying on staff self-esteem (β=.045, P<.05). Based on these results, it is concluded that workplace bullying is present among the manufacturing sector in Oman and leads to negative employee and organizational outcomes. Furthermore, psychological contract plays important role in reducing the negative effects of workplace bullying. Therefore, manufacturing sector firms need to take active action to reduce workplace bullying while striving for developing a positive psychological contract with staff.
Keywords: Workplace Bullying, Self-Esteem, Psychological Contract, Manufacturing, Oman.
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Copyright (c) 2024 Muhammad Tahir
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