core ocd symptoms exploration of specificity and relations with psychopathology文档.pdf

Journal of Anxiety Disorders 26 (2012) 859–870 Contents lists available at SciVerse ScienceDirect Journal of Anxiety Disorders Core OCD symptoms: Exploration of specificity and relations with psychopathology Sara M. Stasik a,∗ , Kristin Naragon-Gainey b , Michael Chmielewski c , David Watson a a Department of Psychology, University of Notre Dame, 118 Haggar Hall, Notre Dame, IN 46556, United States b Centerfor Anxiety and Related Disorders, Boston University, 648 Beacon St., Boston, MA 02215, United States c Department of Psychology, Southern Methodist University, P.O. Box 750442, Dallas, TX 75275, United States a r t i c l e i n f o a b s t r a c t Article history: Obsessive–compulsive disorder (OCD) is a heterogeneous condition, comprised of multiple symptom Received 3 November 2011 domains. This study used aggregate composite scales representing three core OCD dimensions (Checking, Received in revised form 23 July 2012 Cleaning, and Rituals), as well as Hoarding, to examine the discriminant validity, diagnostic specificity, Accepted 25 July 2012 and predictive ability of OCD symptom scales. The core OCD scales demonstrated strong patterns of convergent and discriminant validity – suggesting that these dimensions are distinct from other self- Keywords: reported symptoms – whereas hoarding symptoms correlated just as strongly with OCD and non-OCD Obsessive-compulsive disorder symptoms in most analyses. Across analyses, our results indicated that Checking is a particularly strong, Symptoms Specificity