(SPS) Suicide Probability Scale

By John G. Cull, PhD and Wayne S. Gill, PhD

Benefits

Provides rapid, accurate measure of suicide risk, allowing routine screening in outpatient settings

Ages

14 years and up

Admin Time

5-10 minutes

Format

Self-report

Norms

Based on a sample of more than 1,100 individuals; provided separately for normals, psychiatric patients, and lethal suicide attempters

Publish Date

1988

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Call 800.648.8857

Kits

Show details for SPS Kit

Product #: W-172

SPS Kit

Includes 25 Test Forms; 1 Manual; 25 Profile Forms

$118.00

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Forms

SPS Test Form (Pack of 25)

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Product #: W-172A

SPS Test Form (Pack of 25)

$52.50

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SPS Profile Form (Pad of 100)

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Product #: W-172C

SPS Profile Form (Pad of 100)

$52.50

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Manuals & Resources

SPS Manual

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Product #: W-172B

SPS Manual

$65.50

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Continuing Education

SPS Manual CE Materials

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Product #: W-172CE

SPS Manual CE Materials

Includes Questionnaire and Evaluation Form. To receive 2 continuing education (CE) credits for mastering the SPS Manual (W-172B, sold separately), complete and return these materials.

$26.00

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(SPS) Suicide Probability Scale

(SPS) Suicide Probability Scale

BY JOHN G. CULL, PHD AND WAYNE S. GILL, PHD

The Suicide Probability Scale (SPS) gives clinicians a rapid, accurate, and empirically validated measure of suicide risk in adults and adolescents over 13 years of age. Quick and cost-effective, the SPS permits routine screening in any high-risk setting.

The scale is composed of 36 items that describe particular feelings and behaviors. The respondent indicates how often each statement applies to him or her, using a 4-point scale. The test form does not mention suicide in its title.  

The SPS generates three summary scores—a total weighted score, a normalized T-score, and a Suicide Probability Score—that give an overall indication of suicide risk. For a more detailed clinical interpretation, the SPS also provides four subscales:

  • Hopelessness
  • Suicide Ideation
  • Negative Self-Evaluation
  • Hostility

The Manual includes case examples illustrating the test’s interpretation and its clinical use. Standardization is based on a sample of more than 1,100 individuals, including normals, psychiatric patients, and lethal suicide attempters. Separate norms are provided for each of these groups.

For all the useful information it provides, the SPS requires very little professional time. It can be administered to individuals or groups in only 5 to 10 minutes, then scored and interpreted in just a few minutes more.

For added convenience, the SPS is available via WPS TEST REPORT FAX Service. This option gives you immediate scoring and a clear summary of test results. Contained on a single page, the SPS computer report can be easily added to a client’s file or bound into a medical chart. It provides a concise estimate of suicide potential that, along with your clinical evaluation, helps determine appropriate intervention.

The SPS is widely used as a screening device in clinics, inpatient units, juvenile detention centers, hospital emergency rooms, and suicide prevention centers. It is especially useful with suicidal individuals who are being maintained in outpatient psychotherapy, where continuous, systematic monitoring is particularly important.

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