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    Adaptation of Statistics Anxiety Scale to Turkish: Validity and Reliability Study
    (Ijate-Int Journal Assessment Tools Education, 2021) Durak, Ismail; Karagoz, Yalcin
    The aim of this study is to adapt the Statistics Anxiety Scale (SAS) developed by Vigil-Colet et al. (2008) to Turkish. This study is expected to fill an important gap in the literature since no valid and reliable specific statistics anxiety scale developed or adapted in Turkish for undergraduate students in the literature is available. The sample consists of a total of 439 university students, 258 women and 181 men, studying at Diizce University. The construct validity of the Turkish form of SAS was examined by EFA and DFA. Also, for the criterion validity, a different statistics anxiety scale whose validity and reliability tested was used. As a result of EFA, a three-dimensional structure was obtained as in the structure of the original scale. According to the CFA results, which is the second analysis for construct validity, all fit index results of the model were at an acceptable level. Thus, the CFA results supported the three-factor structure obtained from EFA findings. As a result of the reliability analysis, the Cronbach's Alpha internal coefficients of the SAS and its subscales and, the Guttman and Spearman-Brown internal consistency coefficients of Split-Half Reliability methods were quite high and above the limit of 0.70. For item discrimination, items have good discrimination by obtaining all values above 0.30 lower limit in the results. When the results of the study are evaluated as a whole, the SAS form adapted to Turkish can be used as a guiding scale to measure the statistics anxiety of undergraduate students.
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    Developing a Xenophobia Scale for Healthcare Workers in Türkiye
    (Chiang Mai Univ, Fac Science, 2024) Karagoz, Yalcin; Karasin, Yusuf; Filiz, Mustafa; Genc, Gulsen
    T his study proposes a psychometric measurement tool to determine the level of xenophobia among healthcare workers. To this end, 312 healthcare workers serving in Istanbul were reached through convenience sampling and data was generated through face-to-face interviews. A preliminary scale comprising 33 items was initially created. Following expert opinions and pilot study phases, six items were removed from the draft scale, leaving 27 items. Exploratory factor analysis was initially applied to the data, resulting in the removal of nine more items from the scale, thus reducing the number of items to a final scale of 18. The final scale was grouped into three factors: General Xenophobia, Occupational Xenophobia, and Cultural Xenophobia. The items obtained following exploratory factor analysis were subjected to confirmatory factor analysis. The analysis demonstrated that the model obtained fits the data perfectly. The Cronbach's alpha value for the developed scale was found to be 0.905. In conclusion, the developed scale was found to be a valid and reliable measurement tool for the measurement of xenophobic attitudes among healthcare workers.
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    The Development of A Scale to Measure The Fear of Earthquake
    (Khazar Univ, 2024) Filiz, Mustafa; Karabin, Yusuf; Karagoz, Yalcin
    This study aims to develop a scale to measure the fear level of individuals towards earthquakes. The population of the research consists of individuals who were directly and indirectly affected by the earthquake that occurred in Kahramanmara & scedil; province of Turkey on 6 February 2023. The sample of the research consists of 357 people who voluntarily participated in the survey. Data were collected through an online survey. Experts' opinions, literature review and pilot study were utilized in the creation of the scale items. Psychometric properties of the scale were analyzed by test-retest, calculation of internal consistency coefficient, exploratory factor analysis, confirmatory factor analysis, and calculation of CR and AVE values. It was observed that the internal consistency levels, structure and adaptive levels of the statements on the scale of fear of earthquakes were very good. In addition, the validity and reliability of the scale were revealed through explanatory factor and confirmatory factor analyses. It was concluded that the earthquake fear scale is a measurement tool that can be used to measure the level of fear of earthquakes in Turkey and in the world.
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    Factors Affecting the Joy of Life in Old Age: A Scale Development Study
    (Assoc Adult Development And Aging-Aada, 2025) Karagoz, Yalcin; Kara, Yusuf; Filiz, Mustafa; Ate, Mehmet
    This study aims to introduce a measurement tool into the literature that can reveal the factors affecting the joy of life in older adulthood. Participants included 266 individuals aged 55 and over living in Izmir, Turkey. The process of developing the scale includes the following stages: problem identification, item pool creation, expert opinion, form shaping, pilot application, and finalizing the scale. The exploratory factor analysis revealed that the scale consists of 6 different dimensions, and the variance explained by these dimensions was found to be 65.184%. The acceptable values for the scale's fit indicators are as follows: chi(2)/df0.90, IFI > 0.90, TLI > 0.90, CFI > 0.90, RMSEA < 0.08, and SRMR < 0.08. These values indicate an appropriate fit between the model and the data set. It was determined that the scale of factors affecting the joy of life in older adulthood is valid and reliable. The scale consists of six dimensions and 23 items.
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    Mediation role of work engagement in the effect of healthcare professionals' perception of organizational trust and organizational support on perception of organizational cynicism
    (Springer, 2024) Filiz, Mustafa; Karagoz, Yalcin; Budak, Olkan; Erdal, Nurgul
    The aim of this study is to investigate the mediating role of work engagement in the effect of healthcare workers' perceptions of organizational trust and organizational support on organizational cynicism. A total of 306 healthcare workers participated in the research. Data was collected using scales for organizational trust, organizational support, organizational cynicism, and work engagement. Confirmatory factor analysis was conducted to validate the structure of the scales. The study employed PATH analysis to determine the mediating role of work engagement. The data were analyzed using SPSS and AMOS software. The findings established a negative relationship between perceptions of organizational trust and organizational support with organizational cynicism, which is partially mediated by the level of work engagement. Additionally, the study identified a negative relationship between the level of work engagement and organizational cynicism. Conversely, the study concluded that perceptions of organizational trust and support have a positive impact on work engagement levels. This research makes a significant contribution to understanding the effects of healthcare workers' perceptions of organizational trust and support on organizational cynicism and work engagement. Furthermore, these results could provide a valuable foundation for developing effective strategies in the management and practice of health organizations.
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    Retirement psychology scale: development and standardization
    (Routledge Journals, Taylor & Francis Ltd, 2025) Karagoz, Yalcin; Filiz, Mustafa
    ObjectivesThis study was conducted with the aim of developing a scale to measure 'retirement psychology' in order to better understand the impact of the retirement process on individuals' psychological states.MethodA total of 437 retired people took part in the study. The Retirement Psychology Scale was developed in five stages. In the first stage, items were generated through interviews with retired individuals and validity and reliability tests were conducted. Exploratory and confirmatory factor analyses were then carried out to test the validity and reliability of the scale.ResultsThe analyses revealed that the scale consists of four dimensions: negative impact, positive impact, relaxation and economic dimension, with a total of 37 items. This study provides a scientific tool for identifying and measuring the potential impact of the retirement process on individuals' psychological states.ConclusionThe developed scale can contribute to a more comprehensive understanding of the psychological effects of the retirement process and its aftermath. Investigating the impact of retirement on individuals' quality of life and happiness is of both individual and societal importance, and this study can be seen as an important step in this regard.
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    Rosacea-Specific Quality of Life Scale (RosaQoL): The Study of Adaptation and Validation for Turkish Rosacea Patients
    (Marmara Univ, Inst Health Sciences, 2022) Tosun, Mustafa; Karagoz, Yalcin
    Objective: Rosacea-Specific Quality of Life Scale (RosaQoL) developed specifically for rosacea. The aim of the study was to adapt the RosaQoL Scale that is specific to Rosacea used in evaluating the quality of life of patients with Rosacea into Turkish, and evaluate its validity and reliability. Methods: The RosaQoL Scale is a 21-item index that is specific to Rosacea, and was developed originally in English. The Turkish Scale, which was created after the clinical examinations of the patients, was applied to the patients. A total of 285 people, 240 females (84.2%) and 45 males (15.8%), who were diagnosed with Rosacea, admitting to the dermatology clinic between May 2019 and August 2019 were included in the study. Results: The mean age of the patients was found to be 44.8 +/- 12.5 years in the study. The internal consistency of the scale (Cronbach's Alpha Coefficient) was found to be 0.952. The correlation coefficient was calculated as r=0.988 in the test-retest reliability. The total RosaQoL score was 62.4 +/- 11.5 (Mean +/- SD), and the total DLQI score was 7.85 +/- 5.04 (Mean +/- SD). For validity analysis, the correlation coefficient between RosaQoL and DLQI was calculated as r=0.411 (p<0.05). Conclusion: The Turkish version of the RosaQoL was valid and reliable for evaluating the quality of life of Turkish Rosacea patients.