Fig. 1
From: Autism through midlife: trajectories of symptoms, behavioral functioning, and health
Individual and average trajectories of change in autism symptom measures by ID status. A ADI-R Social reciprocity impairment. B ADI-R communication (non-Verbal) impairment. C ADI-R communication (Verbal) impairment (n = 299). D ADI-R repetitive behavior impairment. * p < .05; ** p < .01; *** p < .001. note: ID Intellectual Disability, ADI-R Autism Diagnostic Interview-Revised