Prevalence of self-injurious behavior (SIB) is as high as 50% among children with autism spectrum disorder (ASD). Identification of risk factors for the development of SIB is critical to early intervention and prevention. However, there is little empirical research utilizing a prospective design to identify early risk factors for SIB. The purpose…

Stability and change in early autism spectrum disorder risk were examined in a cohort of 99 preterm infants (?34 weeks of gestation) using the Autism Observation Scale for Infants at 8 and 12 months and the Autism Diagnostic Observation Schedule--Toddler Module at 18 months. A total of 21 infants were identified at risk by the Autism Observation…

Numerous well validated academic progress monitoring tools are used in schools, but there are fewer behavioral progress monitoring measures available. Some brief behavior rating scales have been shown to be effective in monitoring students' progress, but most focus only on students' social skills and do not address critical academic-related…

Data on 36 autistic, 30 mentally retarded (MR), and 22 normal children (23-65 months old) was collected to develop a method of objective behavioral assessment for diagnosing autism and documenting symptom changes over time. Ss were observed and rated on the Behavior Observation Scale, an instrument which contains 67 objectively defined behaviors…

Three assessment instruments for disturbed children were developed: a 50-item behavior checklist which functioned as a screening device; a 124-item behavior rating scale which provided frequency measures on indices of the teacher's reaction and response to exhibited behaviors; and a behavioral observation form which recorded task-oriented behavior…