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. Normed on a sample of 72 preschool-aged children, 139 school-aged children and 60 adults, it measures stuttering severity in both children and adults in the four areas of speech behavior: (1) frequency, (2) duration, (3) physical concomitants and (4) naturalness of the individual's speech.
Ages: 2-10 and up
Testing Time: 15 to 20 minutes
Includes Examiner's Manual and Picture Plates, 50 Test Record and Frequency Computation Forms, Subjective Stuttering Scales and Computerized Scoring of Stuttering Severity (Software Version 2.0).