|
Measure
|
Age of Dx (T1)
|
Age 6 (T2)
|
Age 8
|
Age 11 (T3)
|
|---|
|
N
|
205
|
199
|
205
|
157
|
|
Age
|
3.43 (.75)
|
6.61 (.33)
|
8.73 (.21)
|
10.73 (.21)
|
|
ADI-R RRB
|
4.52 (2.30)
|
4.07 (2.57)
|
–
|
3.66 (2.35)
|
|
WISC-IV PRI
|
–
|
–
|
91.28 (19.50)
|
–
|
- Note. Numbers in parenthesis are standard deviations. Dx = Diagnosis. ADI-R = Autism Diagnostic Interview -Revised. Numbers reported are mean total scores for the RRB domain using current scores. WISC-IV PRI = Wechsler Intelligence Scales for Children- Fourth Edition, Perceptual Reasoning Index. Number reported is the mean Standard Score
