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Suicidal Intent Scale – For Attempters
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About Suicidal Intent Scale – For Attempters
Scale Name
Suicidal Intent Scale – For Attempters
Author Details
PhenX Toolkit
Translation Availability
English
Background/Description
The Suicidal Intent Scale (SIS) is a widely used tool designed to evaluate the severity and determination behind a suicide attempt. The SIS assesses various dimensions of intent, including the individual’s thoughts, planning, and behaviors associated with the attempt.
As outlined in the PhenX Toolkit, the tool is particularly relevant for clinicians and researchers focusing on suicidal behavior and mental health. Its structured format helps identify underlying motivations and the extent of the individual’s preparation, aiding in risk assessment and the development of tailored intervention strategies.
The scale has been integral in studies aimed at understanding suicidal behavior, differentiating between high and low intent attempts, and identifying factors contributing to suicidal ideation. Its psychometric reliability and validity make it a critical instrument in both clinical and research settings.
Administration, Scoring and Interpretation
- Obtain a copy: Access the SIS through the PhenX Toolkit or other reputable psychological assessment repositories.
- Explain the purpose: Inform the individual that the scale aims to assess the intent and planning behind a prior suicide attempt to better understand their needs.
- Provide instructions: Guide participants to respond to each item honestly, reflecting their thoughts and behaviors at the time of the attempt.
- Approximate time: Completing the scale typically requires 10–15 minutes.
- Administer the scale: Offer a supportive and private environment, ensuring confidentiality and providing professional assistance if distress arises during administration.
Reliability and Validity
The Suicidal Intent Scale demonstrates strong psychometric properties:
- Reliability: The scale shows consistent internal reliability, with Cronbach’s alpha values generally above 0.80. Test-retest reliability also confirms stability over time in assessing intent.
- Validity: It exhibits robust construct validity, correlating well with measures of depression, hopelessness, and other indicators of suicidal behavior. The scale’s predictive validity is supported by its ability to differentiate between low- and high-intent attempters and to predict future risk.
Available Versions
20-Items
Reference
PhenX Toolkit. (2024 December 12). Suicidal Intent of Suicide Attempts. PhenX Toolkit. Retrieved from https://www.phenxtoolkit.org/protocols/view/640301.
Important Link
Scale File:
Frequently Asked Questions
Q1: What does the Suicidal Intent Scale measure?
It measures the level of intent and planning behind a suicide attempt.
Q2: Who can administer the SIS?
The scale is typically administered by mental health professionals in clinical or research settings.
Q3: Is the SIS suitable for non-attempters?
No, it is specifically designed for individuals who have attempted suicide.
Q4: How is the scale scored?
Scoring involves summing responses across items, with higher scores indicating greater intent and planning.
Q5: Can the scale be used for risk assessment?
Yes, it helps identify high-risk individuals based on the severity of their suicidal intent.
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