Schizotypal Personality Questionnaire-Brief: Factor structure and convergent validity in inpatient adolescents
We examined the internal consistency, factor structure, and validity of the Schizotypal Personality Questionnaire-Brief (SPQ-B). Two hundred thirty-seven psychiatrically hospitalized adolescents were administered the SPQ-B and a battery of well-established self-report instruments. The SPQ-B demonstrated adequate internal consistency. Exploratory factor analysis provided mixed support for the SPQ-B 3-factor structure of interpersonal deficits, cognitive-perceptual deficits, and disorganization. The Interpersonal and Cognitive-Perceptual subscales demonstrated convergent and discriminant relationships with other measures of interpersonal impairment and cognitive abnormalities. We concluded that the SPQ-B is a promising measure for evaluating schizotypal personality disorder features, specifically interpersonal and cognitiveperceptual deficits, with adolescent psychiatric inpatients.
Axelrod, S. R., Grilo, C. M., Sanislow, C. A., & McGlashan, T. H. (2001). Schizotypal Personality Questionnaire-Brief: Factor structure and convergent validity in inpatient adolescents. Journal of Personality Disorders, 15(2), 168-179.
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