Table 1.
Test scores for the Normal Language (NL) and Language Impaired (LI) groups.
| CELF-4 WDa | Written spellingb | Modified token testc | TONI-3d | |
|---|---|---|---|---|
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | |
| Normal language group | 14.00 (4.18) | 13.13 (2.13) | 40.13 (2.66) | 106.33 (16.73) |
| Language impaired group | 9.13 (2.20) | 6.47 (2.83) | 32.67 (5.54) | 110.13 (18.47) |
a
Word Definitions subtest of the Clinical Evaluation of Language Fundamentals - Fourth Edition (CELF-4; Semel et al., 2003). Scores are subtest standard scores with a normative sample mean of 10 and SD of 3. Note that for participants over the age of 21, standard scores are anchored to the CELF norms for 21 year olds.
b
The Written Spelling test from Fidler et al. (2011). Scores provided are raw scores out of 15 possible items.
c
The Modified Token Test (Morice and McNicol, 1985). Scores provided are raw scores out of 15 possible items.
d
Test of Nonverbal Intelligence-III, (Brown et al., 1997). Scores are standard scores with a normative sample mean of 100 and SD of 15.