. Author manuscript; available in PMC: 2011 Feb 1.

Published in final edited form as: J Speech Lang Hear Res. 2009 Aug 28;53(1):44–60. doi: 10.1044/1092-4388(2009/09-0021)

Table 2.

Summary of speech sound (in)accuracy for 43 preschoolers with SSD

	Mean	SD	Range
Percent Consonants Correct (PCC)	48.45	11.44	16.29–69.17
Distortions per Consonant	0.047	.036	0.00–0.156
Typical Sound Changes per Cons.	0.453	0.128	0.236–0.819
Atypical Sound Changes per Cons.	0.073	0.044	0.015–0.249