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SSI-4 Stuttering Severity Instrument Fourth Edition
Ages: 2-Adult   Grades: Toddler-Adult

Use this instrument to accurately describe the stuttering behaviors of your clients and to monitor treatment effects.

Test Set
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SSI-4 Test Forms (50)
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Test Purpose
Measure stuttering severity in both children and adults in four areas of speech behavior:

  • frequency
  • duration
  • physical concomitants
  • naturalness of the individual's speech

Testing Time

  • 15-20 minutes


  • Total Score
  • Percentile
  • Severity
  • Speech Naturalness Rating

Test Procedure
Collect speech samples using the pictures and reading material provided in the Examiner's Manual.  Manually record or use the computerized Scoring of Stuttering Severity software to record fluent and nonfluent syllables.


Examiner Qualifications
This test may be administered and interpreted by licensed and certified speech-language pathologists or educational professionals familiar with fluency/stuttering disorders.


Copyright © 2009

Test Set includes: examiner's manual, examiner record forms, and computerized scoring software for the PC - distributed item


Glyndon D. Riley