1. Yale-Brown Obsessive-Compulsive Scale (Y-BOCS)
2. Obsessive Compulsive Inventory-Revised (OCI-R)
3. National Institute of Mental Health Global Obsessive-Compulsive Scale (NIMH-GOCS)
4. Clinical Global Impression-Severity (CGI-S) scale
5. Dimensional Yale-Brown Obsessive-Compulsive Scale (DY-BOCS)