Table 4.
Participant demographics and standardized cognitive assessments.
| HFA n = 18 (16 boys) | TD Controls n = 18 (14 boys) | χ2 or F | p | η2p | ||
|---|---|---|---|---|---|---|
| Age (years) | 12 (3); 8–17 | 13 (2); 8–17 | 0.602 | 0.44 | 0.02 | |
| Full Scale IQ a | 105 (10); 94–127 | 104 (10); 88–127 | 0.11 | 0.75 | 0.01 | |
| Verbal IQ | 10 (3); 6–17 | 10 (2); 6–14 | <0.001 | 1.00 | <0.001 | |
| Nonverbal IQ | 12 (3); 7–17 | 11 (2); 8–16 | 0.65 | 0.43 | 0.02 | |
| CELF-4 b | 105 (13); 82–126 | 110 (7); 97–123 | 1.75 | 0.20 | 0.05 | |
| PPVT-3 c | 112 (13); 83–131 | 116 (12); 100–147 | 0.55 | 0.46 | 0.02 | |
| EVT-2 d | 107 (15); 81–136 | 109 (16); 84–139 | 0.10 | 0.75 | 0.01 | |
| SRS e | 81 (7); 71–90 | 40 (11); 0–57 | 104.29 | <0.001 | 0.80 | |
Notes: Data presented as Mean (SD); range. Results are standard scores, with a M = 100, SD = 15 or M = 10, SD = 3. a Stanford-Binet, 5th Ed., Abbreviated IQ [46]. b Clinical Evaluation of Language Fundamentals, 4th Ed. (CELF-4), Core Language [26]. c Peabody Picture Vocabulary Test, 3rd Ed. [47]. d Expressive Vocabulary Test, 2nd Ed. [48]. e Social Responsiveness Scale [27].