Table 2.
Behavioral test scores and task performance
| Measure | Mean | SD | Range |
|---|---|---|---|
| Standardized Test Scores | |||
| WASI Full Scale Intelligence | 121.8 | 12.8 | 102.0 – 144.0 |
| PPVT-III | 116.2 | 9.3 | 103.0 – 134.0 |
| CELF-IV Receptive Language Index | 114.6 | 10.2 | 96.0 – 134.0 |
| TROG-2 Performance | |||
| Mean number correct (out of 80) | 76.8 | 1.6 | 73 – 79 |
| Mean reaction time in milliseconds | 2829 | 546 | 1987 – 3695 |
| In-Scanner Sentence Comprehension | |||
| Mean number correct (out of 24) | |||
| Short/Easy | 22.2 | 1.5 | 19.0 – 24.0 |
| Short/Hard | 20.5 | 1.4 | 18.0 – 23.0 |
| Long/Easy | 20.9 | 2.8 | 15.0 – 24.0 |
| Long/Hard | 19.0 | 2.0 | 14.0 – 22.0 |
| Mean reaction time in milliseconds | |||
| Short/Easy | 1851 | 377 | 1106 – 2428 |
| Short/Hard | 2003 | 408 | 1073 – 2466 |
| Long/Easy | 2169 | 422 | 1294 – 2613 |
| Long/Hard | 2670 | 500 | 1851 – 3349 |
CELF-IV = Clinical Evaluation of Language Fundamentals. Fourth Edition
PPVT-III = Peabody Picture Vocabulary Test, Third Edition
WASI= Wechsler Abbreviated Scale of Intelligence
TROG-2 = Test for Reception of Grammar, Second Edition