TABLE 3.
Children’s scores on the standardized language tests and spontaneous speech measures.
| M | SD | Range | N | |
|---|---|---|---|---|
| CELF subtests | ||||
| Linguistic concepts/directions | 5.27 | 3.51 | 3–17 | 44 |
| CELF lexical-semantic score | 5.27 | 3.51 | 3–17 | 44 |
| Sentence structure | 5.03 | 2.80 | 3–12 | 35 |
| Word structure | 5.91 | 3.75 | 3–14 | 35 |
| CELF grammar score | 5.47 | 3.0 | 30–12 | 35 |
| CELF receptive language score | 70.98 | 20.4 | 50–116 | 44 |
| CELF expressive language score | 74.55 | 19.30 | 50–116 | 44 |
| CELF total language score | 72.30 | 18.93 | 50–113 | 44 |
| PPVT-III | 85.59 | 19.19 | 55–134 | 44 |
| EVT | 84.02 | 17.61 | 40–136 | 44 |
| Vocabulary (combined PPVT+EVT) | 84.80 | 16.90 | 50–136 | 44 |
| Spontaneous speech measures | ||||
| MLU (in morphemes) | 3.38b | 0.89 | 1.63c–5.21 | 44 |
| NDWR | 71.66b | 17.90 | 40c–108a | 44 |
| IPSyn | 71.98 | 15.54 | 37–100 | 44 |
Note. CELF = Clinical Evaluation of Language Fundamentals; PPVT-III = Peabody Picture Vocabulary Test–Third Edition; EVT = Expressive Vocabulary Test; MLU = mean length of utterance; NDWR = number of different word roots; IPSyn = Index of Productive Syntax.
a
Over 1 SD below the Systematic Analysis of Language Transcripts (SALT) age-referenced database mean.
b
Over 2 SD below the SALT age-referenced database mean.
c
Over 3 SD below the SALT age-referenced database mean.