Skip to main content
. Author manuscript; available in PMC: 2013 Dec 16.
Published in final edited form as: J Speech Lang Hear Res. 2009 Apr;52(2):10.1044/1092-4388(2009/07-0189). doi: 10.1044/1092-4388(2009/07-0189)

Table 4.

Age and standardized scores for language assessment measures for the SLI and the chronological Age - Nonverbal IQ matched (CA-NIQ) groups.

SLI (n = 15)
 CA-NIQ (n = 15)
 Comparison
Variable M SD Range M SD Range t(28) P
Age in months 111 10 99–130 113 18 96–154 0.35 p = .72
Leiter–Nonverbal IQa 101 8 89–119 102 7 91–113 0.28 p = .77
CELF-3 ELSb 72 12 50–84 109 12 88–132 8.62 p < .01
CELF-3 RLSc 71 12 50–90 N/A N/A N/A
PPVT-IIId 93 11 69–112 109 10 95–126 4.14 p < .01
EVTe 84 9 69–109 104 12 84–124 5.04 p < .01

Note. For each variable, age-scaled scores have a mean of 100 and an SD of 15. IQ = intelligent quotient; N/A = not applicable.

a

Leiter International Perfromance Scale (Roid & Miller, 1997).

b

CELF-3 ELS = Clinical Evaluation of Language Fundamentals–3: Expressive Language score (Semel et al., 1995).

c

CELF- 3 RLS = Clinical Evaluation of Language Fundamentals–3: Receptive Language Score (Semel et al., 1989).

d

PPVT-III = Peabody Picture Vocabulary Test, Third Edition (Dunn & Dunn, 1997).

e

EVT = Expressive Vocabulary Test (Williams, 1997).