Skip to main content
Clinical: broadband and severity

Cambridge Depersonalisation Scale.

CDS

What it measures
Frequency and duration of depersonalization/derealization experiences over the past 6 months (numbing, anomalous body/subjective-recall experiences, alienation from surroundings)
Length and format
29 (CDS-29); state CDS-2 and short CDS-9 variants. frequency (0-4) x duration (1-6) per item; total combines both; range 0-290 (self-report questionnaire)
Language versions
Many incl. DE, ES, IT, FR, JA, FA and others; broadly translated
Normative data
No normative data held in our reference library for this instrument. That is a statement about our library, not about the published literature.
Licence
open with attribution

Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.

Reference
Sierra, M., & Berrios, G.E. (2000). The Cambridge Depersonalisation Scale: a new instrument for the measurement of depersonalisation. Psychiatry Research, 93(2), 153-164.

Choosing between this and the alternatives

We do not deliver this instrument. If you are selecting a measure for a research programme, a national survey or an assessment product, and the question is which instrument, in which language, against which norms and under which licence, that is the work we do.

Talk to us about instrument selection