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Obsessive Compulsive Inventory – Revised (OCI-R)
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About Obsessive Compulsive Inventory – Revised (OCI-R)
Scale Name
Obsessive Compulsive Inventory – Revised (OCI-R)
Author Details
Edna B. Foa, Jonathan D. Huppert, Susanne Leiberg, Robert Langner, Rafael Kichic, Greg Hajcak, & Paul M. Salkovskis
Translation Availability
English
Background/Description
The Obsessive Compulsive Inventory – Revised (OCI-R) is a widely used self-report psychological assessment designed to evaluate the severity and types of symptoms associated with Obsessive-Compulsive Disorder (OCD). It was developed as a shorter and more efficient revision of the original Obsessive-Compulsive Inventory, with the goal of improving usability while maintaining strong psychometric properties.
The OCI-R assesses distress associated with common OCD symptom dimensions, including checking, washing, ordering, obsessing, hoarding, and mental neutralizing. It is grounded in cognitive-behavioral models of OCD, which conceptualize the disorder as involving intrusive thoughts (obsessions) and repetitive behaviors or mental acts (compulsions) performed to reduce anxiety or perceived threat.
This tool is extensively used in clinical, research, and screening contexts. Clinicians employ it to identify symptom patterns and monitor treatment progress, while researchers use it to examine OCD symptom structures and related constructs. Importantly, the OCI-R is a screening and severity assessment tool, not a standalone diagnostic instrument.
Administration, Scoring and Interpretation
- Obtain the Official Copy: Access the OCI-R through authorized publishers, academic sources, or licensed psychological assessment platforms.
- Explain the Purpose: Inform respondents that the scale assesses distress related to common obsessive and compulsive experiences.
- Provide Instructions: Ask respondents to rate how much they have been bothered or distressed by certain experiences over a specified time period (e.g., past month).
- Time Required: Typically takes approximately 5–10 minutes to complete.
- Administer the Scale: Suitable for administration by psychologists, clinicians, or trained researchers in clinical, academic, or community settings, ensuring informed consent and confidentiality.
Reliability and Validity
The OCI-R demonstrates strong psychometric properties across diverse populations. Research consistently supports its internal consistency, indicating that the items reliably measure OCD-related symptom dimensions.
Evidence also supports test–retest reliability, suggesting that the instrument yields stable results over time when symptom levels remain unchanged.
In terms of construct validity, factor analytic studies confirm that the OCI-R captures multiple distinct but related OCD symptom domains. Additionally, the scale shows good convergent validity, correlating well with other established OCD measures, and discriminant validity, effectively distinguishing OCD from other anxiety and mood disorders.
Overall, published research indicates that the OCI-R is a psychometrically sound instrument suitable for both clinical screening and research applications.
Available Versions
18-Items
Reference
- Foa, E. B., Huppert, J. D., Leiberg, S., Langner, R., Kichic, R., Hajcak, G., & Salkovskis, P. M. (2002). The Obsessive-Compulsive Inventory: Development and validation of a short version. Psychological Assessment, 14(4), 485–496.
- Abramowitz, J. S., Deacon, B. J., Olatunji, B. O., et al. (2006). Psychometric properties of the Obsessive-Compulsive Inventory–Revised. Behaviour Research and Therapy, 44(12), 1765–1780.
- Belloch, A., Roncero, M., García-Soriano, G., et al. (2013). The Spanish version of the Obsessive-Compulsive Inventory-Revised (OCI-R): Reliability and validity. Journal of Obsessive-Compulsive and Related Disorders, 2(3), 249–256.
- Gönner, S., Leonhart, R., & Ecker, W. (2008). Validation of the German version of the OCI-R. Journal of Anxiety Disorders, 22(4), 734–749.
Important Link
Scale File:
Frequently Asked Questions
What does the OCI-R measure?
It assesses the severity and types of symptoms associated with obsessive-compulsive disorder.
Who can use the OCI-R?
It can be used by clinicians, psychologists, and researchers with appropriate training.
Is the OCI-R a diagnostic tool?
No, it is a screening and severity assessment tool, not a diagnostic instrument.
How long does it take to complete?
Approximately 5–10 minutes.
Is the OCI-R free to use?
Usage depends on licensing; some versions may require permission from the authors or publishers.
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