Yale brown obsessive compulsive scale designed by which year
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Measurement of Obsessive–Compulsive Symptoms
There are currently numerous inventories available to clinicians to measure symptoms of OCD. The Yale–Brown Obsessive Compulsive Scale (Y-BOCS) (Goodman et al., 1989) and the Obsessive–Compulsive Inventory-Revised (OCI-R) (Foa et al., 2002) are the two most commonly used measures. The Y-BOCS is a semi-structured interview and consists of a checklist of common obsessions and compulsions and a 10-item measure of symptom severity, which determines symptom severity regardless of symptom subtype. A self-report version of the scale is also available (Steketee et al., 1996). Total scores on the measure range from 0 to 40, with a score of 0–7 indicating subclinical symptoms, 8–15 mild symptoms, 16–23 moderate symptoms, 24–31 severe symptoms and 32–40 extreme symptoms. The scale can also provide a subscale score for obsessions and compulsions (range 0–20) separately. The Y-BOCS was originally developed for an adult population; however, an adaptation was later developed for use with a pediatric popultion (Child Y-BOCS or CY-BOCS). The OCI-R is an 18-item self-report questionnaire measuring the severity of OCD symptoms across 6 subscales (washing, checking, ordering, obsessing, hoarding, and mental neutralizing). Total scores ranging from 0 to 72 and a cut-off score of 21 has been found to represent clinically significant symptoms (Foa et al., 2002).
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