WoS İndeksli Yayınlar Koleksiyonu
Permanent URI for this collectionhttps://hdl.handle.net/20.500.14627/6
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Article Measuring Narcissism in Cyberspace: Psychometric Evaluation of the Turkish Online Narcissism Personality Inventory (ONPI)(Istanbul Univ, Methodology & Sociology Research Center, 2025) Aytac, Sevinc Serpil; Bilir, Kadriye Burcu Ongen; Aydin, Gulden Cetin; Yuzaki, EnginThe widespread use of digital technologies and the increasing prevalence of internet usage in a globalized world have significantly influenced individuals' personality traits. In particular, the restriction of face-to-face interactions during global pandemics has led individuals to maintain their lives in digital environments. These developments have made it increasingly important to investigate the relationship between internet use and personality characteristics. This study aims to adapt the Online Narcissistic Personality Inventory (ONPI), developed by Chou and Farn (2015) based on the 40-item Narcissistic Personality Inventory by Raskin and Terry (1988), into Turkish and to examine its psychometric properties. The study sample consists of 397 individuals from diverse age groups and socio-demographic backgrounds. Data was analyzed using SPSS 30 and AMOS 30 software. According to the results of the exploratory factor analysis, the item factor loadings ranged from 0.466 to 0.812, and the total variance explained by the scale was found to be 58.36%. Confirmatory factor analysis results (Chi-square/df:2.584; RMSEA:0.063; NFI: 0.84; IFI: 0.90; TLI: 0.87; CFI: 0.90; GFI: 0.90) indicated that the scale exhibits a five-factor structure with 27 items. The internal consistency of the scale was high, with a Cronbach's alpha coefficient of 0.93. Additionally, the item total correlations ranged between 0.326 and 0.700. The findings demonstrate that the Turkish adaptation of the Online Narcissistic Personality Inventory is a valid and reliable measurement tool.Article Citation - WoS: 1Stress and Quality of Life: the Mediating Role of Happiness(Istanbul Univ, Methodology & Sociology Research Center, 2024) Aytac, Serpil; Bayram-Arli, Nuran; Dev, Mine AydemirThe aim of the study is to test the mediating role of happiness in the relationship between stress and quality of life. The study uses the Turkish version of the World Health Organization's (WHO) brief Quality of Life (WHOQOL-BREF) Scale to measure quality of life. The WHOQOL-BREF Scale has four main domains: physical, psychological, social relations, and environmental. In addition, the study uses the Turkish version of the Oxford Happiness Questionnaire to measure individuals' happiness levels and the stress sub -scale from the Turkish adaptation of the Depression, Anxiety, and Stress Scale (DASS-42) to measure stress levels. A total of 216 people aged 18 or older participated in the study. Model 4 in Process Macro was used to test the hypotheses related to the research model. The highest relationship between domain values was obtained between the psychological and physical domains. According to the mediation analysis findings, happiness mediates the relationship between stress and all domains of quality of life. These results emphasize the importance of happiness in individuals' lives. The study has concluded stress to have an indirect and large effect size on all domains of quality of life and found the highest indirect effect size of stress to be on the psychological domain. Based on the results, paying special attention to happiness levels is suggested in order to improve quality of life, the ability to cope effectively with stress and tension, and to empower oneself.