Table 3. Group means (SD) for chronological age (CA), mental age (MA), verbal mental age (VMA), and visuospatial mental age (VSMA).
| Task | Group | N | CA in years (SD) | MA in years (SD) | VMA in years (SD) | VSMA in years (SD) |
|---|---|---|---|---|---|---|
| Overall | WS | 20 | 22.7 (8.7) | 8.4a (2.6) | 10.5 (3.7) | 6.3a (2.4) |
| DS | 30 | 25.3 (5.8) | 7.4a (2.1) | 7.0 (3.1) | 7.5a (2.0) | |
| ASD | 32 | 14.8 (2.3) | 13.8 (3.4) | 14.2 (3.9) | 13.4 (3.4) | |
| Control | 31 | 14.8 (2.4) | 13.9 (2.9) | 14.2 (3.4) | 13.6 (3.0) | |
| Phoneme Segmentation | WS | 16 | 23.6 (9.1) | 9.2a (2.1) | 11.5 (3.2) | 7.0a (2.3) |
| DS | 12 | 23.8 (6.3) | 9.1a (2.2) | 9.0 (3.3) | 8.0a (1.0) | |
| ASD | 31 | 14.8 (2.4) | 14.0 (3.3) | 14.4 (3.8) | 13.6 (3.3) | |
| Control | 30 | 14.9 (2.4) | 14.1 (2.8) | 14.5 (3.2) | 13.7 (2.9) | |
| Sentence Completion | WS | 19 | 22.6 (9.0) | 8.6a (2.4) | 10.8 (3.4) | 6.4a (2.4) |
| DS | 26 | 25.5 (5.8) | 7.5a (2.1) | 7.5 (2.9) | 7.5a (2.1) | |
| ASD | 32 | 14.8 (2.3) | 13.8 (3.4) | 14.2 (3.9) | 13.4 (3.4) | |
| Control | 31 | 14.8 (2.4) | 13.9 (2.9) | 14.2 (3.4) | 13.6 (3.0) | |
| Navon Similarity Judgment | WS | 8 | 20.6 (8.7) | 8.3a (1.8) | 10.6 (3.3) | 6.0a (1.8) |
| DS | 11 | 22.7 (4.7) | 8.1a (1.8) | 8.3 (2.6) | 7.6a (1.2) | |
| ASD | 31 | 14.8 (2.4) | 13.8 (3.4) | 14.2 (3.9) | 13.4 (3.4) | |
| Control | 31 | 14.8 (2.4) | 13.9 (2.9) | 14.2 (3.4) | 13.6 (3.0) | |
| Fragmented Pictures | WS | 11 | 22.7 (8.7) | 8.6a (1.7) | 11.1 (3.0) | 6.1a (1.7) |
| DS | 21 | 23.9 (5.6) | 7.7a (2.3) | 7.4 (3.4) | 7.4a (1.2) | |
| ASD | 31 | 14.8 (2.4) | 13.8 (3.4) | 14.2 (3.9) | 13.4 (3.4) | |
| Control | 31 | 14.8 (2.4) | 13.9 (2.9) | 14.2 (3.4) | 13.6 (3.0) |
a
These are approximations, because some individuals were close to floor.