Factor Structure and Psychometric Properties of the Modified Childhood Anxiety Sensitivity Index in a Sample of Croatian Children and Adolescents
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Anxiety sensitivity (AS) refers to a person’s tendency to fear anxiety-related symptoms due to the belief that they have harmful consequences. The Childhood Anxiety Sensitivity Index (CASI) is a well accepted operationalization of the AS construct in children and adolescents. This study evaluated the factor structure, gender stability and psychometric properties of the CASI, modified to a 5-point scale, in a sample of Croatian children and adolescents (N = 1,679). Exploratory and confirmatory analysis and a Schmid-Leiman solution confirmed the multidimensional and hierarchical structure of the CASI, which consisted of three lower-order factors and a single higher-order factor. Further, the modification of the CASI to a 5-point scale resulted in higher reliability, while maintaining acceptable levels of factor stability and validity.
KeywordsAnxiety sensitivity Factor structure Children Gender stability Reliability
The research reported here was conducted under the project “Anxiety and Depression in a Life-long Perspective”, funded by the Ministry of Education, Science and Sport of the Republic of Croatia.
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