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    Predicting Organizational Citizenship Behaviour in Hospitality Businesses with Decision Tree Method
    (Routledge Journals, Taylor & Francis Ltd, 2024) Celiker, Nuri; Guzeller, Cem Oktay
    The purpose of this study is to determine the effect of toxic leadership perception, leader-member exchange, job stress and emotional exhaustion to predict organizational citizenship behavior of hotel employees. The study is conducted with 623 participants from four and five-star hotel firms in Alanya which is among the top destinations in Turkey. Decision tree analysis is applied to determine the variables that decisive predicting organizational citizenship behavior of the employees. The external validity of the results obtained with the decision tree model is tested with artificial neural networks. The analysis showed that the most significant variable to predict employee organizational citizenship behaviors is leader-member exchange. Findings are discussed in terms of theoretical and practical implications for hospitality literature and sector practitioners.
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    Öğe
    Toxic Leadership Scale Development in Hospitality Sector and Scale Item-Bias Analysis
    (Routledge Journals, Taylor & Francis Ltd, 2025) Celiker, Nuri; Guzeller, Cem Oktay
    The aim of this study is to develop a valid and reliable toxic leadership scale for the hospitality sector. The research was carried out on two sample groups of employees working in four- and five-star hotels in Alanya, Turkey. Both groups have similar characteristics. There were 336 participants in the first sample group and 623 participants in the second sample group. In order to test the construct validity of the toxic leadership scale, an exploratory factor analysis and 27% sub-upper group comparisons were performed on the first sample group's data. A confirmatory factor analysis and a differential item functioning analysis were performed on the second sample group's data. The reliability of the scale was tested. From the analysis of the psychometric properties of the toxic leadership scale it was determined that the scale has high construct validity and reliability.