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Obsessive Compulsive Inventory

Developed by Foa et al., the Obsessive-Compulsive Inventory–Revised (OCI-R) is an 18-item self-report questionnaire designed to help identify and measure the severity of OCD symptoms for informational and screening purposes.

3 minutes to complete

Eligibility

The Obsessive Compulsive Inventory (OCI) can be completed by anyone, typically ages 18 and over, who may be experiencing symptoms of Obsessive-Compulsive Disorder (OCD).

Questions for Obsessive Compulsive Inventory

Questions

1.

I have saved up so many things that they get in the way.

The answer should be a single choice:
  1. Not at all
  2. A little
  3. Moderately
  4. A lot
  5. Extremely
2.

I check things more often than necessary.

The answer should be a single choice:
  1. Not at all
  2. A little
  3. Moderately
  4. A lot
  5. Extremely
3.

I get upset if objects are not arranged properly.

The answer should be a single choice:
  1. Not at all
  2. A little
  3. Moderately
  4. A lot
  5. Extremely
4.

I feel compelled to count while I am doing things.

The answer should be a single choice:
  1. Not at all
  2. A little
  3. Moderately
  4. A lot
  5. Extremely
5.

I find it difficult to touch an object when I know it has been touched by strangers or certain people.

The answer should be a single choice:
  1. Not at all
  2. A little
  3. Moderately
  4. A lot
  5. Extremely
6.

I find it difficult to control my own thoughts.

The answer should be a single choice:
  1. Not at all
  2. A little
  3. Moderately
  4. A lot
  5. Extremely
7.

I collect things I don’t need.

The answer should be a single choice:
  1. Not at all
  2. A little
  3. Moderately
  4. A lot
  5. Extremely
8.

I repeatedly check doors, windows, drawers, etc.

The answer should be a single choice:
  1. Not at all
  2. A little
  3. Moderately
  4. A lot
  5. Extremely
9.

I get upset if others change the way I have arranged things.

The answer should be a single choice:
  1. Not at all
  2. A little
  3. Moderately
  4. A lot
  5. Extremely
10.

I feel I have to repeat certain numbers.

The answer should be a single choice:
  1. Not at all
  2. A little
  3. Moderately
  4. A lot
  5. Extremely
11.

I wash my hands more often and longer than necessary.

The answer should be a single choice:
  1. Not at all
  2. A little
  3. Moderately
  4. A lot
  5. Extremely
12.

I am upset by unpleasant thoughts that come into my mind against my will.

The answer should be a single choice:
  1. Not at all
  2. A little
  3. Moderately
  4. A lot
  5. Extremely
13.

I avoid throwing things away because I am afraid I might need them later.

The answer should be a single choice:
  1. Not at all
  2. A little
  3. Moderately
  4. A lot
  5. Extremely
14.

I repeatedly check gas and water taps and light switches after turning them off.

The answer should be a single choice:
  1. Not at all
  2. A little
  3. Moderately
  4. A lot
  5. Extremely
15.

I need things to be arranged in a particular way.

The answer should be a single choice:
  1. Not at all
  2. A little
  3. Moderately
  4. A lot
  5. Extremely
16.

I feel that there are good and bad numbers.

The answer should be a single choice:
  1. Not at all
  2. A little
  3. Moderately
  4. A lot
  5. Extremely
17.

I frequently get nasty thoughts and have difficulty getting rid of them.

The answer should be a single choice:
  1. Not at all
  2. A little
  3. Moderately
  4. A lot
  5. Extremely
18.

I check and recheck things.

The answer should be a single choice:
  1. Not at all
  2. A little
  3. Moderately
  4. A lot
  5. Extremely

Scales Similar to Obsessive Compulsive Inventory

  • Comprehensive Obsessive Compulsive Scale
  • Detailed Compulsive Disorder Index
  • Obsessive Behavior Evaluation Inventory
  • The Complete OCD Assessment Tool
  • Comprehensive Analysis of Compulsive Symptoms
  • Detailed OCD Behavior Evaluation Index

Reference

Here are some FAQs and additional information
on Obsessive Compulsive Inventory

What is the OCI-R used for?

The Obsessive-Compulsive Inventory–Revised (OCI-R) is used to screen for and assess the severity of obsessive-compulsive symptoms in adults and adolescents, helping to identify individuals who may benefit from further clinical evaluation.

Can I use the OCI-R to diagnose myself with OCD?

No, the OCI-R is a screening tool for informational purposes only and cannot provide a clinical diagnosis. If your score is high or you are concerned about your symptoms, consult a qualified mental health professional for a full assessment.

What are the different symptom areas measured by the OCI-R?

The OCI-R assesses six symptom domains: washing, checking, ordering, obsessing, hoarding, and neutralizing, allowing for a comprehensive evaluation of the various ways OCD can present in individuals.

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