Abstract
The phoneme content of the speech of 266 cerebral palsied children from 1-12 years of age was analyzed. Included in this group were 128 spastics, 86 athetoids, and 52 tension athetoids. On the basis of the 4 criterion measures: vowel type, consonant type, vowel frequency, and consonant frequency, there was no strong statistical evidence of difference between spastics, athetoids, or tension athetoids. There was a significant increase in mastery of speech sounds with age.

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