Depersonalization Test

How the Scales are Structured
Who Usually Takes This Test?
See How You Compare
Below is a preview of how scores are typically distributed across each scale.
Example Questions From the Test
- Complete loss of emotional feelings toward those close to me
- Numbing of feelings toward those close to me
- Preservation of Feelings for Loved Ones
- Increased feelings of pity and love toward those close to me
- Does not affect me at all
- Dulled
- Not impaired
- Acute emotional
- Completely unnoticed
- Dulled
- Not impaired
- Intensely emotional
Depersonalization Test - Description and methodology of the test
For readers who notice detachment from self, emotional numbing, or an unreal environment, this derealization test can provide a structured way to describe those experiences. It is intended for people who want to examine changes in awareness, perception, memory, and bodily feeling without reducing them to one symptom. The depersonalization disorder test organizes these responses into a profile for clearer self-reflection.
What This Assessment Explores
The questionnaire examines changes in self-perception, emotional responsiveness, memory, familiarity, thinking, mental imagery, bodily sensation, time, mood, relationships, empathy, and the quality of surroundings. Choices distinguish heightened experiences from reduced, absent, or unusual responses.
For many readers, this depersonalization test shows whether disturbances are concentrated in a few areas or extend across awareness. Item themes also show what contributes to the profile and connect the result with experiences of self, surroundings, memory, and emotion.
The result is read through two displayed dimensions:
- Pervasiveness (0-16) reflects the number of items on which disturbances are endorsed; Limited 0-5, Moderate 6-12, and Subtotal/Total 13-16 indicate increasing breadth.
- Depersonalization Severity (0-37) reflects the total score across scale items and can detect milder symptoms; Low 0-12, Moderate 13-24, and High 25-37 indicate increasing severity.
Together, these dimensions separate breadth from aggregate intensity.
Methodology and Scientific Basis
Each item presents ordered choices describing absent, ordinary, reduced, intensified, or marked experiences. Respondents choose the option that best matches them rather than rate symptoms on a generic frequency scale.
For this depersonalization derealization disorder test, the structure covers self-experience, surroundings, emotion, cognition, memory, bodily sensation, and time. Perceptual items address environmental feeling; self-focused items address identity, contact, empathy, and automaticity.
Within this derealization disorder test, surroundings-focused items address the environment's felt reality, while self-awareness remains in the profile. As a self-report tool, results can be influenced by stress, mood, wording, self-awareness, and willingness to disclose unusual experiences.
The online questionnaire is conceptually consistent with the Nuller Depersonalization Scale described by Nuller and Mikhalenko in 1988. Nuller’s 1982 clinical account describes depersonalization as altered self-experience, while a 2001 pilot study of psychopharmacological treatment supports tracking symptom change.
Across the profile, higher total endorsement indicates greater intensity, whereas endorsement across more items indicates broader reach. The displayed bands are descriptive: norms and diagnostic thresholds are not provided, so results summarize experiences rather than establish a clinical category.
- Nuller, Y. L., and Mikhalenko, I. N. Affective Psychoses. Leningrad: Meditsina, 1988, 264 pp.
- Nuller, Y. L. (1982). Depersonalisation: Symptoms, Meaning, Therapy. Acta Psychiatrica Scandinavica, 66(6), 451-458. 10.1111/j.1600-0447.1982.tb04502.x
- Nuller, Y. L., Morozova, M. G., Kushnir, O. N., and Hamper, N. (2001). Effect of Naloxone Therapy on Depersonalization: A Pilot Study. Journal of Psychopharmacology, 15(2), 93-95. 10.1177/026988110101500205
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