Table 1.
Percentile scores for participants on standardized clinical tests.
| Test | M | SD | Range | At or below 10th percentile (%) |
|---|---|---|---|---|
| RIAS Nonverbal IQ | 55 | 25 | 23.0–99.0 | 0 |
| CELF Core Language | 3 | 3 | 0.1–10.0 | 100 |
| Vocabulary: DELV Semantic | 9 | 8 | 0.1–25.0 | 74 |
| Vocabulary: CELF Word Classes | 24 | 19 | 1.0–75.0 | 37 |
| Vocabulary: CREVT Expressive | 26 | 16 | 1.0–63.0 | 19 |
| CELF Concepts and Following Directions a | 7 | 7 | 0.1–25.0 | 85 |
| CELF Word Structure a | 11 | 8 | 0.4–25.0 | 52 |
| CELF Recalling Sentences a | 5 | 6 | 0.1–25.0 | 93 |
| CELF Formulating Sentences a | 8 | 7 | 0.1–25.0 | 78 |
| CELF Understanding Spoken Paragraphs | 7 | 8 | 0.1–25.0 | 81 |
| CTOPP Nonword Repetition | 22 | 21 | 1.0–75.0 | 44 |
| CTOPP Phonological Memory | 15 | 17 | 1.0–75.0 | 52 |
| CTOPP Phonological Awareness | 8 | 8 | 1.0–30.0 | 74 |
| GFTA | 30 | 21 | 1.0–67.0 | 19 |
Note. RIAS = Reynolds Intellectual Assessment Scale; CELF = Clinical Evaluation of Language Fundamentals–Fourth Edition; DELV = Diagnostic Evaluation of Language Variation; CREVT = Comprehensive Receptive and Expressive Vocabulary Test–Third Edition; CTOPP = Comprehensive Test of Phonological Processing–Second Edition; GFTA = Goldman-Fristoe Test of Articulation–Second Edition (Goldman & Fristoe, 2000).
a
Scores on this subtest contributed to the CELF Core Language omnibus score.