VOCI
Vancouver Obsessional Compulsive Inventory (VOCI)
The VOCI is a self-report questionnaire designed to measure the severity and variety of obsessive-compulsive symptoms. It makes it possible to assess several dimensions of obsessive-compulsive disorder (OCD), including the extent of obsessional thoughts and compulsive rituals, as well as other associated symptoms such as checking, contamination, order and symmetry.
- Number of questions
- 55 questions
- Estimated duration
- 15 minutes
- Language
- English
- Original name
- Vancouver Obsessional Compulsive Inventory
- Target audience
- Adults
- Authors
- David J. Thordarson, Christine Radomsky, Kieron Olatunji, Mark B. Sullivan, Steven Taylor (2004)
- Category
- OCD
Scoring & interpretation
Each item is rated on a Likert scale (0 to 4). Scores are added up to obtain a total score and scores for each subscale: checking, contamination, order/symmetry, unacceptable thoughts, superstition and hoarding. Clinical cutoffs can be used to guide diagnosis and the monitoring of progress.
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