Table 3.
Correlation tables of all measures used to determine the independence of social communication skills and restricted interests and repetitive behaviors.
| ALL ASD | ||||||
|---|---|---|---|---|---|---|
| IQ | SCI-T | RRB-T | ADI SI | ADI RRB |
||
| Mean (SD) | n=79 | n=137 | n=137 | n=164 | n=164 | |
| IQ | 90.82 (20.44) | 1 | ||||
| SCI-T | 75.58 (11.9) | −.264* | 1 | |||
| RRB-T | 78.17 (13.66) | −.298* | .774** | 1 | ||
| ADI SI | 20.58 (6.9) | −.395** | .472** | .386** | 1 | |
| ADI RRB | 5.76 (2.54) | −0.064 | .337** | .403** | .321** | 1 |
| ALL LI | ||||||
|---|---|---|---|---|---|---|
| IQ | SCI-T | RRB-T | CASL NL |
CASL PJ | ||
| Mean (SD) | n=40 | n=30 | n=30 | n=27 | n=39 | |
| IQ | 92.3 (12.79) | 1 | ||||
| SCI-T | 56.87 (13.80) | −0.085 | 1 | |||
| RRB-T | 58.07(15.66) | 0.059 | 0.828** | 1 | ||
| CASL NL | 84.19 (15.57) | 0.267 | −0.354 | −0.324 | 1 | |
| CASL PJ | 82.1 (14.59) | −0.01 | −0.263 | −0.302 | 0.603** | 1 |
| Unaffected Parents | ||||||
|---|---|---|---|---|---|---|
| IQ | SCI-T | RRB-T | CASL NL |
CASL PJ | ||
| Mean (SD) | n=190 | n=178 | n=178 | n=180 | n=182 | |
| IQ | 111 (11.83) | 1 | ||||
| SCI-T | 47.51 (10.27) | −0.117 | 1 | |||
| RRB-T | 49.22 (9.61) | −.150* | .829** | 1 | ||
| CASL NL | 97.91 (12.68) | .363** | −0.073 | −0.086 | 1 | |
| CASL PJ | 97.08 (10.68) | .293** | −.151* | −.160* | .547** | 1 |
| Unaffected Brothers | ||||||
|---|---|---|---|---|---|---|
| IQ | SCI-T | RRB-T | CASL NL |
CASL PJ | ||
| Mean (SD) | n=58 | n=48 | n=48 | n=42 | n=59 | |
| IQ | 107.36 (12.06) | 1 | ||||
| SCI-T | 47.77 (10.49) | −0.189 | 1 | |||
| RRB-T | 50.65 (13.04) | −0.023 | .826** | 1 | ||
| CASL NL | 102.81 (14.81) | .348* | −0.034 | 0.078 | 1 | |
| CASL PJ | 98.83 (11.84) | .323* | −0.208 | −0.036 | .657** | 1 |
| Unaffected Sisters | ||||||
|---|---|---|---|---|---|---|
| IQ | SCI-T | RRB-T | CASL NL |
CASL PJ | ||
| Mean (SD) | n=44 | n=38 | n=38 | n=35 | n=42 | |
| IQ | 108.75 (11.28) | 1 | ||||
| SCI-T | 48.45 (9.51) | 0.028 | 1 | |||
| RRB-T | 52.03 (14.10) | −0.044 | .851** | 1 | ||
| CASL NL | 109.54 (12.92) | .386* | −.361* | −0.326 | 1 | |
| CASL PJ | 105.43 (11.71) | 0.242 | −0.209 | −0.2 | .588** | 1 |
*
Correlation is significant at the 0.05 level (2-tailed).
**
Correlation is significant at the 0.01 level (2-tailed).
Variable Key: IQ= WASI Performance IQ or DAS Non-verbal Reasoning, SCI-T=SRS Social Communication Index T-Score, SRS RRB= Restricted Interests and Repetitive Behaviors T-Score, ADI SI= Autism Diagnostic Interview Social Interaction, ADI RRB Autism Diagnostic Interview Restricted Interests and Repetitive Behaviors, CASL NL= Comprehensive Assessment of Spoken Language Non-literal Language, CASL PJ= Comprehensive Assessment of Spoken Language Pragmatic Judgment.