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Arch Suicide Res. 2008;12(4):277-98. doi: 10.1080/13811110802324698.

Assessing the wish to die: a 30-year review of the suicide intent scale.

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Graduate School of Social Work, University of Denver, Denver, Colorado 80210, USA.

Erratum in

  • Arch Suicide Res. 2009;13(2):200.


This analysis drew from decades of published research to evaluate the Suicide Intent Scale (SIS), the dominant research tool for assessing intent to die in apparent suicide attempts. The review sought to 1) synthesize findings related to the scale's normative scores, reliability, and validity (factorial, convergent, and predictive), and 2) examine the objective and subjective subscales' performance. A literature search yielded 158 studies reporting findings for the SIS. Psychometric properties were summarized. Studies supported the scale's reliability, especially that of the subscale assessing self-reported (versus circumstantial indicators) of intent. Mixed findings emerged regarding convergent and predictive validity. The review identified shortcomings in factorial validity and the subscales' performance, especially for adolescents. The Suicide Intent Scale has some strengths, but the weaknesses require further investigation into how to better measure intent to die in attempted suicide.

[Indexed for MEDLINE]

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