What diagnostic tools are available?

Written by Carolyn Spring
01 July 2012
What diagnostic tools are available?

STRUCTURED CLINICAL INTERVIEW FOR DSM-IV DISSOCIATIVE DISORDERS, REVISED (SCID-D-R)

What it measures

A 277-item interview that assesses for amnesia, depersonalisation, derealisation, identity confusion, and identity alteration. Measures presence and severity of symptoms.

Purpose

Diagnosis

Reference

Steinberg, 1994, 19994, 1995

Method

Clinician-administered

DISSOCIATIVE DISORDERS INTERVIEW SCHEDULE (DDIS)

What it measures

A 132-item structured interview that assesses the symptoms of the five DSM-IV dissociative disorders, somatisation disorder, borderline personality disorder, and major depressive disorder. The DDIS also assesses substance abuse, Schneiderian first-rank symptoms, trance, childhood abuse, secondary features of dissociative identity disorder, and supernatural/paranormal experiences. Measures presence of symptoms but not severity.

Purpose

Diagnosis

Reference

Ross, 1997; Ross et al, 1989, 1990

Method

Clinician-administered

MULTIDIMENSIONAL INVENTORY OF DISSOCIATION (MID)

What it measures

218-item instrument with 168 dissociation items and 50 validity items. Measures 23 dissociative symptoms and six response sets that serve as validity scales.

Purpose

Diagnosis

Reference

Dell, 2006

Method

Self-report (but scored by clinician)

DISSOCIATIVE EXPERIENCES SCALE (DES)

What it measures

28-item self-report instrument whose items screen primarily for absorption, imaginative involvement, depersonalization, derealisation, and amnesia.

Purpose

Screening only

Reference

Bernstein & Putnam, 1986, 1993

Method

Self-report

DISSOCIATION QUESTIONNAIRE (DIS-Q)

What it measures

63-item self-report instrument which measures identity confusion and fragmentation, loss of control, amnesia, and absorption.

Developed in Belgium and The Netherlands, the DIS-Q is more commonly used by European than North American clinicians and researchers.

Purpose

Screening only

Reference

Vanderlinden, 1993; Vanderlinden, Van Dyck, Vandereycken, Vertommen, & Verkes, 1993

Method

Self-report

SOMATOFORM DISSOCIATION QUESTIONNAIRE-20 (SDQ-20)

What it measures

20-item instrument that uses a 5-point Likert scale to measure somatoform dissociation. The SDQ-20 items address tunnel vision, auditory distancing, muscle contractions, psychogenic blindness, difficulty urinating, insensitivity to pain, psychogenic paralysis, non-epileptic seizures, and so on. A shorter version, the SDQ-5, is composed of five items from the SDQ-20.

Purpose

Screening only

Reference

Nijenhuis, Spinhoven, Van Dyck, Van der Hart, & Vanderlinden, 1996, 1998; Nijenhuis et al, 1999

Method

Self-report

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