Browsing by Author "Zubr, Vaclav"
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- ItemExploring the relationship between usage of social networking sites, cyberbullying and academic performance: Evidence from the higher education sector of Saudi Arabia(Technická Univerzita v Liberci, ) Rasool, Samma Faiz; Raza, Hamid; Zubr, Vaclav; Asghar, Muhammad Zaheer; Sultana, Razia; Ekonomická fakultaThe aim of this study is to investigate the relationship between the use of social networking sites (SNS), cyberbullying (CB) and academic performance (AP). Firstly, we investigate the direct relationship between the use of social networking sites (Instagram, Facebook and TikTok) and academic performance. Secondly, the relationship between the use of social networking sites (Instagram, Facebook and TikTok) and cyberbullying is explored. Thirdly, linkages between cyberbullying and academic performance are examined. Lastly, the mediating effect of cyberbullying in the relationship between the use of social networking sites and academic performance is tested. In this study, we used quantitative survey analysis. We collect data using the research questionnaire from the graduate and postgraduate students enrolled in the universities located in Riyadh, Kingdom of Saudi Arabia. The data were analyzed using the structural equation modeling through SmartPLS 3.2.2. The findings demonstrate that in direct relationships, Facebook and TikTok have a significant relationship with academic performance. However, in the direct relationship, Instagram has an insignificant relationship with academic performance. Similarly, the outcomes confirmed that Instagram, Facebook, and TikTok have a significant relationship with cyberbullying. Furthermore, the outcomes indicate that cyberbullying has a negative impact on academic performance. Finally, the results of this study indicate that cyberbullying negatively mediates the relationship between the use of social networking sites and academic performance. At the end of the study, we have toughly discussed the conclusion, limitations and future research directions.
- ItemThe level of organizational culture as a constant challenge for company management – an empirical research in the Czech Republic and Poland(Technická Univerzita v Liberci, 2019-03-15) Sokolova, Marcela; Zubr, Vaclav; Cierniak-Emerych, Anna; Dziuba, Szymon T.; Ekonomická fakultaOrganizational culture (OC) is a concept, which is defined from many different perspectives. For example, Schein defines culture as a pattern of shared fundamental assumptions learned by a group as it overcomes both external adaptation and internal integration obstacles, whereby group member use is efficient enough to be considered valuable and which is taught to new members as the right way of meandering through the equivalent future obstacles. According to Dubkēvič & Barbars OC comprises structured behaviour (especially leadership style), language, rituals, ceremonies, myths, heroes, etc. The aim of this study is to examine the level of organizational culture in the Czech Republic and Poland, i.e. to make a comparison. In the questionnaire survey’s framework, 1,574 questionnaires were received in the Czech Republic, 1,476 questionnaires were processed, 433 questionnaires were received in Poland and 360 questionnaires were included in the evaluation for the same reason as the Czech questionnaires. Since it has been a long-term study in the Czech Republic, more respondents were recruited, in Poland it was the first survey within the co-operation – pilot version. The obtained data was evaluated using Microsoft Excel 2016 and IBM SPSS v. 24. Descriptive statistics tools, correlation and nonparametric Mann-Whitney U-test were used to evaluate the data at significance level p = 0.05. The results show that innovative culture is a better model than bureaucratic or supportive culture. Managers should develop an innovative and supportive culture. There are statistically significant differences in innovative organizational culture index evaluation between the Czech Republic and Poland. Statistically significant difference was observed in the organizational culture index evaluation, mainly depending on the organization’s size and on the respondent’s job position in the Czech Republic. The statistically significant difference in the organizational culture index evaluation in Poland was demonstrated depending on the organization’s size.