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Structured Clinical Interview for DSM-IV (SCID-II)

Brief Description:
• Spitzer, Williams, & Gibbon (1992)
• Versions are updates based upon changes in the DSM; the most recent revision was October 2008.
• Created as a diagnostic measure for 33 common Axis I DSM-III-R disorders, including eating disorders and substance dependence.

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• Kid’s version (KID-SCID)
• Patient version (SCID-P)
• Different versions created for studies (i.e. SCID-NP-V: SCID non-patient edition for Veterans; SCID-NP-HIV)

Type of Measure:
• Semi-structured interview
• Structured questions on a 3-point scale (yes, no, probably)
• Past and current diagnoses
• Takes 20-30 minutes
• Administrators require training to administer the test
• Over 500 questions

Target Population:
• Adult
• Kids
• Clinical studies

• Computerized data entry and scoring.
• 8 items regarding 8 classes of drugs; minimum 3 “yes” responses required for a diagnosis of substance use disorder.

Source reference: Maffei et al. (1997): 231 in- and out-patients from a Medical Psychology and Psychotherapy Unit in San Raffaele, Milan.
• Reliability: Kappa coefficients ranged from 0.65 – 0.98.
Kosten et al. (1991): 41 inpatients and 42 outpatients of the Yale Substance Abuse Treatment Unit.
• Reliability: Cronbach’s alpha = 0.83 (cannabis) to 0.98 (opiates).
Kosten et al. (1991): 476 in- and out-patients from 3 sites, and 200 from a New York City survey.
• Inter-rater reliability (7-10 days) using a test-retest design: kappa coefficient for drug dependence = 0.95.
KID-SCID: Smith, Huber, & Hall (2005): 50 adolescents in residential treatment.
• Reliability: good inter-rater reliability especially for the disruptive behaviour disorders and substance abuse disorders modules (kappa’s of 0.77, 1.0, and 1.0 for alcohol dependence, alcohol abuse, and stimulant abuse, respectively). 
• Validity: Dependence and abuse showed convergent validity with the Personal Consequences of Use Scale on the PEI (stimulant dependence (r = 0.37), cannabis abuse (r = 0.32), and other abuse (r =0.64)); Convergent validity with the POSIT Substance Abuse/Use subscale: alcohol dependence (r = 0.33), alcohol abuse (r = 0.38), cannabis dependence (r = 0.42), cannabis abuse (r = 0.31), stimulant dependence (r = 0.35), and other abuse (r = 0.53).

Utility for Prevalence Surveys:
• Good.
• Widely used.

Research Applicability:
• Good.
• Widely used.

Copyright, Cost, and Source Issues:
• Cost for use ($50 for unlimited use).

Source References:
Maffei, C., Fossati, A., Agostoni, I., Barraco, A., Bagnato, M., Deborah, D., Namia, C., Novella, L., & Petrachi, M. (1997). Interrater reliability and internal consistency of the structured clinical interview for DSM-IV axis II personality disorders (SCID-II), version 2.0. Journal of Personality Disorders, 11(3), 279-284.

Original References:
Spitzer, R. L., Williams, J. B. W., Gibbon, M., & First, M. B. (1990). Structured clinical interview for DSM-III-R personality disorders (SCID-II). Washington, DC: American Psychiatric Association Press


First, M. B., Spitzer, R. L., Gibbon, M., Williams, J. B. W., & Benjamin, L. (1994). Structured clinical interview for DSM-IV axis II personality disorders (SCID-II) (Version 2.0). New York: Biometrics Research Department. New York State Psychiatric Institute.

Supporting References:
Kosten, T. R., Bryant, K., & Rounsaville, B. J. (1991). The SCID: A clinical instrument for assessing psychiatric disorders in substance abusers. NIDA Research Monograph, 108, 213-219.

Smith, D. C., Huber, D. L., & Hall, J. A. (2005). Psychometric evaluation of the structured clinical interview for DSM-IV childhood diagnoses (KID-SCID). Approaches to Measuring Human Behavior in the Social Environment, 11, 1-21.

• DSM-based gold-standard instrument.

• Requires clinician expertise.