Case study research methodology was used to describe the play behaviors of three infants at 12 months of age, who were later diagnosed with an autism spectrum disorder. Data included standardized test scores, and analyses of video footage of semi-structured play sessions from infants identified as high risk for autism, because of having a sibling…

Recent studies have suggested that skill acquisition rates for children with autism spectrum disorders receiving early interventions can be predicted by child motivation. We examined whether level of interest during an Autism Diagnostic Observation Schedule assessment at 2?years predicts subsequent rates of verbal, nonverbal, and adaptive skill…

The Communication and Symbolic Behavior Scales (CSBS) were developed to standardize communication sampling procedures in assessing preverbal and early verbal stage children. To assess interrater reliability in using the scales with children with developmental disabilities, eight children (ages 33-113 months) with developmental disabilities were…