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Stronach, Sheri; Wetherby, Amy M. – Autism: The International Journal of Research and Practice, 2014
This prospective study of the FIRST WORDS® Project examined restricted and repetitive behaviors in a sample of 55 toddlers at a mean age of 20 months who were later diagnosed with autism spectrum disorder. Restricted and repetitive behaviors were coded using the Repetitive Movement and Restricted Interest Scales in two video-recorded observation…
Descriptors: Behavior Problems, Young Children, Autism, Pervasive Developmental Disorders