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. Author manuscript; available in PMC: 2011 Dec 1.
Published in final edited form as: J Speech Lang Hear Res. 2010 Aug 12;53(6):1742–1756. doi: 10.1044/1092-4388(2010/08-0198)

Table 1.

Ages and standardized test scores for the SLI and CA groups presented as means, standard deviations (SD) and ranges.

Group Age in months LIPSa ELSb CDc RLSd PPTVe EVTf
SLI
Mean 120.00 99.88 71.50* 5.65* 67.50 91.25* 81.44*
SD 11.68 8.94 11.62 2.25 14.04 10.75 7.4
Range 101–141 89–119 50–84 3–10 50–86 69–112 64–93
CA
Mean 121.25 104 110.06* 12.81* Na 107.19* 99.38*
SD 13.73 8.31 12.69 2.83 Na 8.53 10.92
Range 101–147 87–119 86–131 8–17 Na 94–119 86–124
*

p < .05, two tailed t-test, equal variances assumed

a

Leiter International Performance IQ: Standard Score (mean of 100, standard deviation of 15)

b

Clinical Evaluation of Language Fundamentals: Expressive Language Score (mean of 100, standard deviation of 15)

c

Clinical Evaluation of Language Fundamentals: Concepts and Directions receptive standard Subtest Score (mean of 10, standard deviation of 3)

d

Clinical Evaluation of Language Fundamentals: Receptive Language Score (mean of 100, standard deviation of 15)

e

Peabody Picture Vocabulary Test: Standard Score (mean of 100, standard deviation of 15)

f

Expressive Vocabulary Test: Standard Score (mean of 100, standard deviation of 15)