The Growing Admissibility of Expert Testimony by Clinical Social Workers on Competence to Stand Trial

Social Work, Vol. 53, No. 2, 2008

Posted: 23 May 2008


Expert testimony by clinical social workers concerning a criminal defendant's competence to stand trial has increasingly been admitted in certain state courts over the past two decades, yet most state laws still require that court-appointed competence evaluators be psychiatrists or psychologists. Pressure to admit social workers' testimony will come from their increasing role in diagnosis and treatment of mental disorders. The evolution of forensic assessment instruments, that permits greater transparency in competence evaluation and facilitates training, and the standardization of forensic evaluation in general, support greater use of clinical social workers as competence evaluators. A list of proposed qualifications for competence evaluators is developed from recent criticism of evaluation shortcomings, and the article shows how social workers could help address these problems. Through review of representative cases, comparison of educational and credentialing practices of clinical social workers and psychologists, and assessment of limited quality data on forensic assessments across disciplines, the article proposes that the principal determinants of qualifications to testify as a competence expert should be advanced training, experience and credentialing in the specific skills related to competence evaluation rather than professional designation.

Keywords: Competence, evaluation, expert, forensic testimony, social workers

JEL Classification: K14

Suggested Citation

Siegel, David M., The Growing Admissibility of Expert Testimony by Clinical Social Workers on Competence to Stand Trial. Social Work, Vol. 53, No. 2, 2008, Available at SSRN:

David M. Siegel (Contact Author)

New England Law | Boston ( email )

154 Stuart St.
Boston, MA 02116
United States
(617) 422-7270 (Phone)
(617) 422-7453 (Fax)


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