CY-BOCS - Children's Yale-Brown Obsessive-Compulsive Scale


The rating scale is a 14-item semi-structured interview designed to rate the severity and record the types of symptoms in youth diagnosed with obsessive-compulsive disorder (OCD).

Special Instructions

The CY-BOCS is intended for use as a provider-administered, semi-structured interview. A version with verbose prompts Is provided under “downloads” below.

Scores Produced

  • CY-BOCS (0-40) (sum of items 1-10)
  • CY-BOCS Obsessions Severity (0-20) (sum of items 1-5)
  • CY-BOCS Compulsions Severity (0-20) (sum of items 1-5)

Items 2b, 6b, 11, and 12 are not included in the scores.


Scahill, L., Riddle, M.A., McSwiggin-Hardin, M., Ort, S.I., King, R.A., Goodman, W.K., Cicchetti, D. & Leckman, J.F. (1997). Children's Yale-Brown Obsessive Compulsive Scale: reliability and validity. J Am Acad Child Adolesc Psychiatry, 36(6):844-852. 



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