Longitudinal change in restricted and repetitive behaviors from 8-36  months

ConclusionsThe RBS-EC is sensitive enough to measure the presence of RRBs in a TD sample, as well as their decline with age. Using factor score estimates of each subscale adjusted for non-invariance allowed us to more precisely estimate change in these behaviors over time.
Source: Journal of Neurodevelopmental Disorders - Category: Neurology Source Type: research