Determining factor structure, validity and reliability of interpersonal cognitive distortions scale among students of Tabriz University

Document Type : Research Article



Introduction: The purpose of this study was to examine factor structure, reliability and validity of interpersonal cognitive distortions scale (ICDS) among students of tabriz university.
Method: The present study is a type of psychometric and validation studies. the population was consists all students of tabriz university that 368 students of whom were selected by multi-stage cluster sampling method, and they were asked to complete interpersonal cognitive distortions scale (ICDS), borderline personality scale (STB), and defense style questionnaire (DSQ-40). reliability coefficients of icds were calculated through cronbach's alpha and split-half method. for assessing structure validity and determining multifactorial structure of icds, principal factor analysis with varimax rotation and in order to confirm the extracted factors, confirmatory factor analysis was used.
Results: Factor analysis of icds, using principal components analysis with varimax rotation extracted three factors consist unrealistic relationship expectations, interpersonal rejection, and interpersonal misperception. other indexes of validity (concurrent validity with stb and dsq, and scale-subscales correlations), and reliability (internal consistency and split-half coefficients) have also been reported. all of them confirmed reliability and validity of icsd.
Conclusions: Results suggest that interpersonal cognitive distortions scale (ICSD) has sufficient validity and reliability in iranian community, and can be used in psychological and psychiatric studies.


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