In my master's thesis I wanted to examine the relationships between the constructs of work engagement, employee voice, and psychological safety. I was interested in the existence of connection between these constructs and a possibility to explain the influence of psychological safety on work engagement through the mediating variable of employee voice. I also stated a research question about a possible influence of certain demographic variables such as gender, age, and education level on perception of psychological safety. The study included 198 full-time employed individuals, aged 18 years or older, who completed an online questionnaire. For measuring work engagement I used the Work engagement questionnaire – short form, for measuring employee voice I used the Employee Voice six-item scale and for measuring psychological safety I used Psychological Safety Scale. I confirmed a positive correlation between all three constructs. Work engagement was statistically significantly positively associated with psychological safety and employee voice, and psychological safety was statistically significantly positively associated with employee voice. The mediation analysis was not fully confirmed, as psychological safety indirectly and directly affected work engagement, with employee voice having only a partially mediating role. The results also showed that among the observed demographic variables only gender affects perceptions of psychological safety, while age and education level do not. It turned out that men perceive a statistically significantly higher level of psychological safety than women. The results of the master's thesis contribute to a better understanding of the relationship between work engagement, employee voice, and psychological safety, which will be useful both in psychological theory and in practice.
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