Obsessive-Compulsive Inventory

The Obsessive-Compulsive Inventory (OCI) looks at the severity of symptoms associated with obsessive-compulsive disorder (OCD).

Total number of questions


Administration method


Standardized cadence


Age range




Scoring and interpretation

Answers are scored on a 5-point Likert scale from 0 for "Not at all" to 4 for "Extremely." Scores are summed and total scores range from 0-168. Higher scores are associated with higher severity of OCD symptoms.In addition, there are 7 subscales. If any of the average scores of the subscales is 2.5 or more, the result suggests the presence of OCD.

Reliability and validity

Additional information

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