VOCI Test — Vancouver Obsessional Compulsive Inventory (55-Item OCD Assessment)
The Vancouver Obsessional Compulsive Inventory — the standard 55-item OCD self-report scale with six symptom-dimension mapping. Free in the Mindtalk app.
Important safety information
The VOCI includes a question about thoughts of self-harm (question 9). If you have had any such thoughts recently, please reach out for support before or instead of taking this assessment — you do not need to take a test to deserve help.
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The 55 VOCI items — six sub-scales
Each item is rated on a 5-point scale:
0 = Not at all · 1 = A little · 2 = Some · 3 = Much · 4 = Very much
The 55 items load onto six sub-scales:
Contamination (12 items): Fear of germs, dirt, chemicals, bodily fluids; distress about touching contaminated objects; washing / avoidance to reduce contamination distress.
Checking (6 items): Fear of catastrophe from a mistake (fire from unchecked appliances, harm from unlocked doors, error at work); repeated checking to prevent harm.
Obsessions (12 items): Unwanted intrusive thoughts of violence, sex, blasphemy, or unacceptable content; often without visible compulsions (Pure-O); distress about having such thoughts.
Hoarding (7 items): Difficulty discarding items even without clear value; distress about loss; cluttered spaces.
Just Right (12 items): Need for symmetry, order, or a "complete" feeling; distress when things feel wrong or asymmetric; repeating behaviours until they feel right.
Indecisiveness (6 items): Extreme difficulty making decisions; revisiting past decisions; distress at ambiguity.
Total ranges 0-220.
VOCI interpretation
| Total | Severity | What it means | Suggested next step |
|---|---|---|---|
| 0-60 | Low | Typical of community samples | Continue self-monitoring |
| 61-100 | Moderate | Clinical presentation possible | Clinical evaluation if impairment present; sub-scale profile matters |
| 101-140 | High | Clinical OCD likely | Clinical evaluation; ERP + consider SSRI |
| 141-220 | Severe | Severe OCD presentation | Urgent clinical evaluation; combined ERP + SSRI usually indicated |
The sub-scale profile is often more useful than the total. Someone with total 90 driven entirely by Contamination has a very different treatment plan than someone with total 90 driven by Obsessions. The Mindtalk app shows both.
How the VOCI was developed
The VOCI was developed by Sheila Woody, Adam Radomsky, S. Rachman, and colleagues at the University of British Columbia in 2004 (Behaviour Research and Therapy, 2004). It was designed as a psychometric upgrade over the older Maudsley Obsessional Compulsive Inventory (MOCI) — the MOCI's yes/no items were too coarse and its factor structure had been criticised.
The VOCI's 55 items were selected from a larger pool through iterative factor analysis to identify the six-dimension structure. The 5-point scoring (0-4) replaced yes/no to give better severity resolution. Sub-scales were designed to align with the emerging OCD-subtype literature — the observation that OCD sub-populations (Contamination, Checking, Obsessions-only, Hoarding, Just Right) respond to different specific ERP protocols.
Validation studies confirmed the six-factor structure in Canadian, US, UK, Italian, and Indian OCD samples. The VOCI is used routinely in OCD specialist clinics for subtype mapping and treatment planning; Y-BOCS is used alongside for clinician-administered severity tracking during treatment.
VOCI vs other OCD scales
| Test | Items | Time | Best for | Type |
|---|---|---|---|---|
| VOCI | 55 | 10 min | Six-dimension OCD subtype profile | Self-report |
| OCI | 42 (full) / 18 (OCI-R) | 5-8 min | Fast OCD screening | Self-report |
| Y-BOCS | 10 | 15 min | Gold-standard severity + treatment tracking | Clinician |
| DOCS (Dimensional OC Scale) | 20 | 5 min | Four-dimension model with distress + interference | Self-report |
| MOCI (older) | 30 | 6 min | Historical continuity; superseded by VOCI | Self-report |
Use VOCI when subtype mapping matters for treatment planning. Use OCI-R for fast screening. Use Y-BOCS for clinician severity tracking during treatment.
When to act on your VOCI result
- 0-60: No action. Retake if intrusive thoughts / compulsions increase.
- 61-100 (moderate): Clinical evaluation if the pattern is impairing daily life. Sub-scale profile guides where to start.
- 101-140 (high): Clinical evaluation. ERP + SSRI is first-line. Book a Mindtalk psychologist with OCD experience.
- 141+ (severe): Urgent clinical evaluation. Combined ERP + SSRI at higher-than-depression dose usually indicated. Consider intensive treatment (multiple ERP sessions per week).
- High Obsessions sub-scale (Pure-O pattern): Look specifically for an OCD therapist familiar with Pure-O ERP — imaginal exposure + mental-ritual response prevention. General CBT often misses Pure-O.
- High Hoarding sub-scale: Hoarding is now a separate DSM-5 diagnosis (Hoarding Disorder), distinct from OCD. Treatment differs — cognitive-behavioural for hoarding specifically.
After the VOCI
- Pair with Y-BOCS. Ask your clinician for Y-BOCS at intake and every 4-6 weeks during treatment for severity tracking.
- Sub-scale profile drives ERP planning. Bring your Mindtalk sub-scale profile to your first CBT session.
- Screen depression. OCD and depression co-occur in ~50% of cases. Take PHQ-9 alongside.
- Consider comorbid conditions. OCD often co-occurs with tic disorders, Body Dysmorphic Disorder (BDD), and ADHD. Bring a full history to consultation.
- Book a specialist. Mindtalk's psychologists with ERP training treat OCD across Bangalore, Hyderabad, Mysore, and online for anywhere in India.
How to take the VOCI
- 1
Open the VOCI in the Mindtalk app
Tap "Take the VOCI" to open the assessment. You will need a free Mindtalk account — sign-in takes under a minute.
- 2
Answer the 55 items
For each of the 55 statements, rate how well it describes you on a 0-4 scale (Not at all to Extremely). Some items describe distressing thoughts, some describe repetitive behaviours.
- 3
Get your total and six-dimension profile
Receive a total 0-220 score, six-dimension sub-scale profile, severity band, and a personalised next-step recommendation. The subtype profile is used for ERP treatment planning.
Frequently Asked Questions
- How accurate is the VOCI?
- The VOCI has excellent psychometric properties — internal consistency 0.94 total, 0.88-0.96 across sub-scales. Its six-dimension structure has been replicated in multiple confirmatory factor analyses across the US, UK, Canada, Italy, and India. It discriminates OCD samples from anxiety-disorder controls with large effect sizes. Its main advantage over shorter OCD scales is the sub-scale profile — VOCI can identify Contamination-dominant vs Checking-dominant vs Obsessions-dominant vs Hoarding-dominant vs Just Right OCD, each of which needs a different ERP treatment plan.
- What are the six VOCI sub-scales?
- Contamination (fear of germs, dirt, illness; washing / avoidance compulsions). Checking (fear of harm from a mistake; repeated checking of locks, appliances, work). Obsessions (intrusive unwanted thoughts of violence, sex, blasphemy without visible compulsions — often called Pure-O). Hoarding (difficulty discarding, distress about loss of items, cluttered spaces). Just Right (need for symmetry, order, or a specific feeling of completeness). Indecisiveness (extreme difficulty making decisions, revisiting past decisions). Most people with OCD have one or two dominant sub-scales and lower scores on others.
- VOCI vs OCI vs Y-BOCS — which should I take?
- OCI (Obsessive Compulsive Inventory, 42 items) and its short form OCI-R (18 items) are the fastest self-report OCD scales — good for screening. VOCI (55 items) is longer but gives a much richer six-dimension subtype profile — best when treatment planning follows. Y-BOCS (Yale-Brown Obsessive Compulsive Scale) is clinician-administered and is the gold-standard severity measure used in every OCD medication and CBT trial. Rule of thumb: OCI-R for fast screening, VOCI for subtype mapping, Y-BOCS for clinician severity + treatment tracking.
- What are the VOCI severity bands?
- The VOCI doesn't have a single universally validated cut-off (unlike PHQ-9). Rough guidance from published community + OCD samples: 0-60 low (typical community), 61-100 moderate (clinical presentation possible), 101-140 high (clinical OCD likely), 141+ severe. The Mindtalk app provides both total-score bands and sub-scale percentile mapping.
- Is the VOCI validated in India?
- Yes. The VOCI has been used in Indian OCD research and clinical practice with translated Hindi and Kannada versions. Indian samples show the same six-factor structure as Western samples. Cultural note: Just Right OCD (symmetry, order) appears somewhat more prevalent in Indian samples; Contamination-with-religious-purity themes need clinician sensitivity to distinguish OCD from culturally normal ritual practice.
- What treatment works for OCD, and does subtype matter?
- First-line treatment is Exposure and Response Prevention (ERP) — a specific CBT protocol. SSRIs at higher-than-depression doses (paroxetine 40-60mg, fluoxetine 60-80mg, sertraline 200mg, escitalopram 20-30mg) are also first-line, especially for moderate-severe OCD. Subtype matters for ERP because the exposures are different: Contamination = touching feared objects + not washing; Checking = leaving without checking + tolerating uncertainty; Obsessions (Pure-O) = imaginal exposure + response prevention on mental rituals; Hoarding = discarding + tolerating distress. A well-matched ERP protocol needs an OCD-experienced therapist.
- How do I take the VOCI?
- Click 'Take the VOCI'. Complete the 55 items (8-10 minutes), receive your total + six-dimension profile + severity band, and get a personalised next-step recommendation. Free in the Mindtalk app.
Need a clinician's read on your results?
A high score is a signal, not a diagnosis. Mindtalk's psychiatrists and clinical psychologists can interpret your results and recommend next steps — same-day appointments available.