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Obsessive-Compulsive Inventory—Revised (OCI-R)

Eighteen statements about how much common obsessive-compulsive experiences have distressed or bothered you during the past month.

Method and research sources

What OCI-R measures

OCI-R measures distress linked to six obsessive-compulsive symptom dimensions: washing, checking, ordering, intrusive thoughts, hoarding, and mental neutralising.

How scoring works

Each item contributes 0–4 points to the total and one three-item subscale. The total ranges from 0 to 72; each subscale ranges from 0 to 12.

Method and sources

The original development paper, a clinical manual, and a contemporary psychometric evaluation are listed below.

  1. Original publication
    The Obsessive-Compulsive Inventory: Development and Validation of a Short Version

    Edna B. Foa, Jonathan D. Huppert, Susanne Leiberg, Robert Langner, Rafael Kichic, Greg Hajcak, Paul M. Salkovskis

    2002
  2. Official page
    OCI-R Scale and Manual

    University of Washington Psychiatry Consultation Line

    2025
  3. Validation study
    A contemporary psychometric evaluation of the Obsessive Compulsive Inventory–Revised

    Monnica T. Williams, Chad T. Wetterneck, Jonathan S. Thibodeau, Adam B. Duque

    2015

Resources are selected by the OCD topic, not by your score.

Questions about OCI-R

Does 21 mean I have OCD?

No. It is an original screening cut-off, not a diagnosis; optimal values vary by population.

Do intrusive thoughts mean I will act on them?

No. Unwanted intrusive thoughts do not equal intention or character.

Why are hoarding items included?

They were part of the original OCI-R structure; current diagnostic systems classify hoarding separately, so that subscale needs cautious interpretation.