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Suicidal Ideation Questionnaire

William M. Reynolds, PhD

Screens for suicidal ideation in adolescents
Paper and pencil, Online administration and scoring via PARiConnect
Age range:
12 years to 18 years
10 minutes or less
Qualification level:
A degree, certificate, or license to practice in a health care profession or occupation, including (but not limited to) the following: medicine, neurology, nursing, occupational therapy and other allied health care professions, physician's assistants, psychiatry, social work; plus appropriate training and experience in the ethical administration, scoring, and interpretation of clinical behavioral assessment instruments. Certain health care providers may be eligible to purchase selected "B" and "C" level instruments within their area of expertise. Specifically, relevant supervised clinical experience using tests (i.e., internship, residency, etc.) in combination with formal coursework ( i.e., Tests and Measurement, Individual Assessment, or equivalent) qualifies a health care provider to purchase certain restricted products. Any PAR Customer already qualified to purchase a "B" or "C" level product, is also qualified to purchase an "S" level product. If you are not already qualified to purchase a "B"or "C" level product from PAR, please download and complete the special Qualification Form for Medical and Allied Health Professionals. (You will need Adobe Acrobat to view.) Close

The SIQ assesses the frequency of suicidal ideation and serves as a valuable component in a comprehensive assessment of adolescent mental health.

Serves as a starting point for gathering information about your client’s suicide potential

  • The SIQ consists of 30 items and is appropriate for students in Grades 10-12.
  • The SIQ-JR consists of 15 items and is designed for students in Grades 7-9.
  • Reliability coefficients are .97 for the SIQ and .93-.94 for the SIQ-JR.

For many adolescents, the SIQ and the SIQ-JR provide a mechanism for informing adults/professionals of their level of distress and suicidal intent, serving as a cry for help that doesn’t involve self-injurious behavior. Adolescents who are thinking about suicide may respond to these measures with the expectation that, in telling others of their suicidal thoughts, people will take notice of their distress and act to assist them. It is therefore vital that professionals act quickly once critical SIQ or SIQ-JR scores are obtained.