
Groupings of the ADI-R RRB items
RRB category | ADI-R item |
---|---|
Object interests | 69. Repetitive use of objects or interest in parts of objects |
Resistance to change | 70. Compulsions/rituals |
74. Difficulties with minor changes in own routines or personal environment | |
75. Resistance to trivial changes in environment | |
Restricted interest | 67. Unusual preoccupations |
68. Circumscribed interests | |
76. Unusual attachment Sensory interests | |
Sensitivity to noise | 71. Unusual sensory interests |
72. Sensory aversions | |
Body movements | 77. Hand or finger mannerisms |
78. Other complex mannerisms or stereotyped body movements | |
79. Complex mannerisms | |
Verbal | 33. Stereotyped utterances and delayed echolalia |
39. Verbal rituals |
Only a subset of the children was analyzed for the verbal RRB category. RRB, restricted and repetitive behavior; ADI-R, Autism Diagnostic Interview-Revised