Test Description
Frequency is expressed in percent syllables stuttered and converted to scale scores of 2-18. Duration is timed to the nearest one tenth of a second and converted to scale scores of 2-18. The four types of Physical Concomitants are and converted to scale scores of 0-20. The SSI-4 can also be used in conjunction with the Stuttering Prediction Instruments for Young Children (SPI).
Author(s):
Glyndon D. Riley

Ages: 2-10 and up

15 to 20 minutes

NULL

A
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