Table 4.
Impairments in Restricted Interests and Repetitive Behaviors Domain and Items
| ASD (n = 29) | DD (n = 21) | F | Partial η2 | |||
|---|---|---|---|---|---|---|
| M | SD | M | SD | |||
| Restricted, Repetitive, and Stereotyped Behaviors Domain | 5.55 | 2.91 | 2.48 | 2.73 | 14.31** | .23 |
| Circumscribed interests | 1.10 | 0.98 | 0.38 | 0.67 | 8.56** | .15 |
| Unusual preoccupations | 0.21 | 0.49 | 0.29 | 0.64 | 0.24 | .01 |
| Compulsions/rituals | 0.86 | 0.95 | 0.29 | 0.64 | 5.76* | .11 |
| Hand/finger mannerisms | 1.00 | 0.93 | 0.48 | 0.81 | 4.31* | .08 |
| Other complex mannerisms | 0.93 | 0.92 | 0.38 | 0.74 | 5.08* | .10 |
| Repetitive use of objects | 1.38 | 0.82 | 0.48 | 0.75 | 15.86** | .25 |
| Unusual sensory interests | 1.10 | 0.77 | 0.24 | 0.44 | 21.36** | .31 |
| Verbal rituals a | 0.79 | 0.92 | 0.29 | 0.61 | 3.17† | .09 |
p < .01;
p < .05;
p < .10
Verbal communication items are for verbal participants only, ASD n = 19, DD n = 14