Psychometric Properties of the Dutch Version of the Washington Psychosocial Seizure Inventory

Summary: Purpose: The psychometric properties of the Dutch version of the Washington Psychosocial Seizure Inventory (WPSI) were investigated. Methods: The dimensional structure, reliability, and validity of the WPSI scales were assessed in 218 patients with epilepsy. The association with relevant patient and epilepsy characteristics also was studied. Results: An exploratory seven‐factor principal components analysis was compared with a confirmatory factor analysis, and a loss of 3.36% of total variance was found. To increase the homogeneity of the scales, 30 items with low factor loadings or h... Mehr ...