Dissociation Test (DES Guide)

Dissociation tests measure detachment from thoughts, feelings, or identity. The DES (Dissociative Experiences Scale) is the criterion-standard 28-item measure: mean score 0–100; ≥30 warrants clinical evaluation for dissociative disorder. Bernstein & Putnam (1986).

What Does a Dissociation Test Measure?

Dissociation is a psychological experience in which a person becomes detached from their thoughts, feelings, memories, sense of identity, or surroundings. Mild dissociation is common in everyday life (daydreaming, highway hypnosis, absorption in a book). Pathological dissociation, especially when frequent and distressing, is associated with trauma exposure, PTSD, and dissociative disorders including dissociative identity disorder (DID) and depersonalization/derealization disorder (DPDR).

A dissociation test quantifies the frequency of dissociative experiences across three clusters: amnesia (gaps in memory or recall), depersonalization and derealization (feeling detached from one's body or surroundings), and absorption and imaginative involvement (intense focus that limits awareness of surroundings). The most widely used dissociation test is the DES (Dissociative Experiences Scale), a 28-item validated self-report measure developed by Bernstein and Putnam (1986).

Each DES item asks how often (0% to 100%, in 10% intervals) a person experiences a specific dissociative phenomenon. The mean score across all 28 items is computed as the total score (0–100). A mean score of 30 or higher warrants further clinical evaluation for a dissociative disorder. The DES-T (Taxon) is a subscale of 8 items specifically linked to pathological dissociation.

The DES is in the public domain and free for clinical and research use. It has been used in over 1,000 published studies and is endorsed by the International Society for the Study of Trauma and Dissociation (ISSTD) as a first-line screening scale for dissociative disorders.

DES Score Interpreter

If you have completed a DES assessment, enter your mean score (0–100) below.

Educational reference only. Cannot diagnose or replace clinical evaluation. Consult a mental health professional for formal evaluation of dissociative experiences.

DES Score Interpretation

Bernstein & Putnam (1986). Mean score = sum of all 28 item scores ÷ 28. Each item rated 0–100% in 10% steps. DES-T (Taxon) subscale items 3, 5, 7, 8, 12, 13, 22, 27 specifically predict pathological dissociation.

Types of Dissociative Experiences

Trauma & Dissociation Screening in HiBoop

DES and PCL-5 alongside PHQ-9, GAD-7, and C-SSRS, longitudinal trauma and dissociation screening for your patient panel with automated scoring and outcome tracking.