Table 1. Group summary statistics for children with SLI and for typically developing children.
| Children with SLI | Typically developing children | |
|---|---|---|
| Age | 9;2 (1;1) Range: 7;3–10;6 | 8;10 (0;11) Range: 7;4–10;0 |
| CELF-ELS | 70.5 (11.0) Range: 53–84 | 103.7 (15.1) Range: 91–146 |
| CELF-RLS | 77.6 (19.2) SLI-E range: 89–107 SLI-ER range: 50–80 | – |
| NWR | 67.9 (11.1) Range: 40–81 | 82.9 (8.4) Range: 69–95 |
| CLPT | 22.5 (15.8) Range: 0–52 | 48.3 (12.7) range 26–69 |
| Non-verbal IQ | 103.9 (10.6) Range: 87–122 | 118.1 (12.0) Range: 98–134 |
Note: Means, standard deviations (in parentheses) and ranges are presented for chronological age (years;months), composite Expressive (ELS) and Receptive (RLS) Language Scores on Clinical Evaluation of Language Fundamentals—Revised (CELF-R; Semel et al. 1989), per cent phonemes correct (raw scores) on the Nonword Repetition Task (NWR; Dollaghan and Campbell 1998), per cent final words recalled (raw scores) on Competing Language Processing Task (CLPT; Gaulin and Campbell 1994), and standard non-verbal intelligence scores, Leiter International Performance Scale—Revised (Leiter-R; Roid and Miller 1997) or Columbia Mental Maturity Scale (CMMS; Burgemeister et al. 1972).