Depersonalization & Derealization Test: See Where Detachment Shows up Most
This Depersonalization and Derealization Test screens for feeling detached from yourself or your surroundings. Get an instant self-assessment informed by the Cambridge scale, without a diagnosis.
Reviewed by David A. Brooks, PhD, ABPP, ABN 
Depersonalization & Derealization Test is a free, confidential 14-question self-assessment, informed by the Cambridge Depersonalization Scale. It takes about 7 minutes, runs entirely in your browser, and gives you a plain-language score across 3 interpretation bands plus an optional in-depth report. It is an educational screening, not a diagnosis.
Two sides of the same experience, measured separately
Depersonalization means feeling detached from your body, thoughts, or emotions; derealization means your surroundings feel unreal or dreamlike. This self-assessment explores how often you notice these experiences. Their impact on daily life and possible causes also matter when deciding whether to seek an assessment.
Depersonalization
Feeling detached from your own body, thoughts, or emotions: like an observer of yourself, numb, robotic, or as if you are not quite real.
Derealization
The world around you feeling unreal, dreamlike, foggy, or flat, as though a pane of glass sits between you and everything else.
How often it happens
Frequency helps describe the pattern, alongside how long episodes last, how distressing they feel, and whether they interfere with daily activities. Brief detachment can occur without a disorder. A frequency score alone cannot establish the cause or tell you whether a medical or mental health assessment is needed.
| Feature | Typical free quiz | Psychology.com |
|---|---|---|
| Based on a validated DP/DR instrument | Rarely | Yes, informed by the CDS |
| Separates depersonalization from derealization | No | Yes, two subscores |
| Frequency-based scoring | Often single yes/no | Yes, 0 to 4 per item |
| Clinician-reviewed interpretation | Rarely | Yes, clinician reviewed |
| Optional in-depth personalized report | No | Yes, written to your exact scores |
| Confidential (no data sent) | Often tracked | Runs in your browser |
How scoring works
Answers are scored 0–56 in total. Your result falls into one of 3 bands:
| Score | Band | What it suggests |
|---|---|---|
| 0–13 | Low depersonalization-derealization experiences | You reported few experiences of detachment, or only occasional ones. Brief moments like this are extremely common and usually nothing to worry about. |
| 14–31 | Moderate depersonalization-derealization experiences | You reported a moderate amount of detachment. This is a common response to anxiety, stress, panic, or lack of sleep, and it is workable with support. |
| 32–56 | High depersonalization-derealization experiences | You reported frequent, persistent detachment. That can be unsettling, but please know it is recognized, common in anxiety and trauma, and treatable. |
How this depersonalization and derealization screener is scored
The Depersonalization and Derealization Test gives a frequency-based picture of reported detachment, rather than a diagnosis. The screener asks about 14 experiences, seven that describe depersonalization (feeling detached from yourself) and seven that describe derealization (the world feeling unreal), each rated on how often it happens from never to all the time on a 0 to 4 scale. The seven depersonalization items are summed for a subscore up to 28, and the seven derealization items are summed separately for a subscore up to 28, so the two subscores combine into a total score up to 56.
The bands on this page group the total into low, moderate, and high reported experiences. These are descriptive bands for this educational adaptation, rather than validated clinical cutoffs or population percentiles. A clinical assessment considers the nature and impact of symptoms as well as their frequency, and checks whether another condition or substance could explain them. A low result does not rule out a concern that is disrupting your life.
Occasional episodes vs depersonalization-derealization disorder
Brief depersonalization or derealization is extremely common and, on its own, is not a disorder. The DSM-5-TR only diagnoses depersonalization-derealization disorder when the episodes are persistent or recurrent, cause real distress or interference, and are not better explained by another condition, substance use, or a medical problem. Reality testing stays intact throughout, which is the key difference from psychosis: people experiencing depersonalization know the detachment is not literally true.
If your detachment comes with gaps in memory, a sense of switching between different identities, or not knowing how you got somewhere, that points toward a different presentation, and the Dissociative Identity Disorder (DID) Test or the Dissociative Disorder Test may fit what you are noticing better than this one. If detachment shows up mainly around panic attacks, the Panic Disorder Test can help you describe associated panic symptoms for a clinician; it cannot establish the cause of detachment.
Grounding techniques and what to do next
When you feel detached, you can try directing attention toward concrete details in your surroundings, such as the texture of a familiar object or the sounds in the room. The Grounding Techniques worksheet and the Five Senses Calming exercise offer prompts for this kind of practice. Treat them as coping options rather than a test of whether your experience is real or a promise that an episode will stop.
If detachment is frequent, distressing, or tied to past trauma, the Psychology.com therapist directory can help you find a licensed therapist experienced with anxiety and dissociation, and a professional evaluation is the only way to know whether depersonalization-derealization disorder fits what you are experiencing.
If an exercise makes you feel more uncomfortable, pause and choose a familiar activity or contact someone you trust. You do not need to force yourself to complete it. The Psychology.com tests hub can help you choose a self-assessment for a different concern, but repeatedly checking scores cannot establish why detachment is happening.
What should I tell a clinician about feeling unreal?
Describe the experience in your own words: whether your body feels unfamiliar, emotions seem distant, or the room looks dreamlike. Note when it began, whether it comes and goes, and how it affects activities such as work, conversation, or travel. Mention sleep changes, panic symptoms, medications, and alcohol or other substance use without trying to decide the cause yourself.
A healthcare professional can consider whether a physical health evaluation or mental health referral is appropriate. Sudden confusion or disorientation needs immediate medical attention rather than another screening. For recurring detachment, brief notes about the circumstances can support an appointment without requiring you to monitor every sensation throughout the day.
Methodology & sources
The items are informed by the Cambridge Depersonalization Scale (Sierra and Berrios, 2000), the most widely cited research questionnaire for depersonalization and derealization. The original scale rates 29 experiences on separate frequency and duration dimensions. This educational screener uses adapted, plain-language descriptions of related experiences, rates each on a single 0 to 4 frequency dimension, and is grouped into a depersonalization subscale and a derealization subscale so you can see where your experiences cluster.
This test is provided for education and self-reflection. It is deliberately conservative: it presents detachment as a common stress response first, and frames any elevated result as a reason to speak with a professional rather than as a diagnosis. Depersonalization and derealization are recognized features of anxiety, panic, trauma, sleep deprivation, and cannabis use, and they are treatable.
The Cambridge Depersonalization Scale and this shortened educational questionnaire are different measures. Changing the wording, response format, symptom coverage, and time frame limits direct comparison with the original research. The separate depersonalization and derealization summaries here are organizational aids, rather than independently validated diagnostic subscales. Reliability estimates and thresholds from the original instrument should not be transferred to this adaptation.
References
- Sierra M, Berrios GE. The Cambridge Depersonalisation Scale: a new instrument for the measurement of depersonalisation. Psychiatry Res. 2000;93(2):153-164.
- Sierra M, David AS. Depersonalization: a selective impairment of self-awareness. Conscious Cogn. 2011;20(1):99-108.
- Hunter ECM, Sierra M, David AS. The epidemiology of depersonalisation and derealisation. A systematic review. Soc Psychiatry Psychiatr Epidemiol. 2004;39(1):9-18.
- American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR). 2022.
- National Health Service. Dissociative disorders. nhs.uk/mental-health/conditions/dissociative-disorders/
- National Health Service. Sudden confusion (delirium). nhs.uk/symptoms/confusion/
Cite this source
Psychology.com. (2026, September 16). Depersonalization & Derealization Test. Psychology.com. https://psychology.com/tests/depersonalization
Depersonalization & Derealization Test FAQ
What is depersonalization and derealization?
Depersonalization is feeling detached from yourself, as if you are watching your own life from the outside or do not feel quite real. Derealization is the world around you feeling unreal, foggy, or dreamlike. They often happen together and are among the most common responses to anxiety, panic, and stress.
Are these experiences dangerous?
Feeling detached does not by itself establish psychosis or an immediate danger, but a questionnaire cannot confirm the cause or safety of an episode. Seek assessment when symptoms are new, persistent, or disruptive. Sudden confusion, such as being unable to tell where you are or speak clearly, needs immediate medical help. Avoid assuming that an unfamiliar symptom is only anxiety.
How common is this?
Very. Around half of all people report at least one brief episode of depersonalization or derealization in their lifetime, often after stress, exhaustion, panic, or cannabis use. Persistent, distressing detachment is less common and is what benefits most from professional support.
Is this test a diagnosis?
No. This is an educational self-assessment informed by the Cambridge Depersonalization Scale, rather than a diagnostic assessment or the full research instrument. A clinician considers symptoms, daily functioning, medical history, and possible alternative explanations. Bring examples of what feels different and when it happens. You can ask for help even if your screening result is low.
Can it be treated?
Treatment and support are available. Talking therapy can help people understand episodes of disconnection and practice ways to manage them. A clinician may also address associated anxiety, panic, depression, or other concerns. The approach depends on the assessment, and the pace of improvement varies. This screening score cannot predict which treatment will help you or how quickly symptoms will change.
Is depersonalization the same as dissociative identity disorder (DID)?
No. Depersonalization and derealization involve feeling detached from yourself or your surroundings while your sense of identity stays continuous. DID involves a fragmented sense of identity, with distinct identity states and gaps in memory for daily events. If memory gaps or a sense of switching between identities are part of what you are noticing, the Dissociative Identity Disorder (DID) Test looks at that pattern specifically.
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