Stuttering Severity Instrument–Fourth Edition (SSI-4) is a reliable and valid norm-referenced stuttering assessment that can be used for both clinical and search purposes. It measures stuttering severity in both children and adults in the four areas of speech behavior:

The fourth edition of this enduring test offers updated norms, quicker administration, and computer scoring. Like previous versions, the SSI-4 evaluates speaking samples according to specific criteria: Frequency—expressed as percentage of syllables stuttered. Duration—average length of the three longest stuttering events

The SSI-4 provides valuable information about the nature of a client’s stuttering disorder, which aids in the development of individualized treatment plans. Let’s explore the SSI-4, including its use, how to administer and interpret the test, and recommendations for using the results in treatment planning.

A measure of stuttering severity. Stuttering Severity Instrument for Children and Adults—Fourth Edition

The SSI-4 measures stuttering severity in both children and adults and can be used for clinical as well as research purposes. The SSI-4 can also be used in con-junction with the Stuttering Prediction Instrument for Young Children (SPI; G. D. Riley, 1981) to evaluate the effects of …

SSI-4: stuttering Severity instrument - Fourth Edition is a reliable and valid norm-referenced stuttering assessment that can be used for both clinical and search purposes. It measures...

The SSI-4 is a comprehensive assessment tool that provides a standardized measure of stuttering severity across three key areas: Frequency: How often do you stutter? Duration: How long do your stutters last? Physical Concomitants: What physical behaviors (like facial grimacing, eye blinking, or head movements) accompany your stutters?

SSI-4 is a reliable and valid norm-referenced assessment of stuttering severity in both children and adults. Measures frequency of repetition and prolongations, duration of blocks, and physical concomitants.

The fourth edition of the SSI is the only standardized stuttering assessment available. Newly updated and normed, this test measures stuttering severity in both children and adults in the four areas of speech behavior: