Yale-Brown Obsessive Compulsive Scale.

Y-BOCS

What it measures

Severity of OCD independent of symptom content: time, interference, distress, resistance and control, rated separately for obsessions and compulsions; accompanied by a symptom checklist

Length and format

10 severity items (+ symptom checklist of ~50-60 examples). Clinician rating 0-4 per item, summed 0-40 (obsessions 0-20 + compulsions 0-20); bands subclinical to extreme (clinician-rated/interview)

Language versions

Many languages incl. ES, PT, FR, DE, IT, ZH, JA, TR and others; the global OCD-trial standard

Normative data

No normative data held in our reference library for this instrument. That is a statement about our library, not about the published literature.

Licence

copyrighted - author permission

This instrument is not self-serve. Obtaining it means going to the publisher or the author. We hold no direct link for it; the reference below is the citation to search from.

Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.

Reference

Goodman, W. K., Price, L. H., Rasmussen, S. A., et al. (1989). The Yale-Brown Obsessive Compulsive Scale. I. Development, use, and reliability. Archives of General Psychiatry, 46(11), 1006-1011.